From 4ace413667a0c83c20ba072fcfd270d9bc531b90 Mon Sep 17 00:00:00 2001
From: Kevin Davis <kdavisk6@gmail.com>
Date: Wed, 15 May 2019 11:19:34 -0400
Subject: [PATCH] Use Apache 2.0 License (#4)

* Configuring License Plugin
* Adding License Notices to Source Files
---
 LICENSE                                       | 201 ++++++++++++++++++
 NOTICE                                        |  13 ++
 feignx-core/pom.xml                           |  21 ++
 feignx-core/src/main/java/feign/Client.java   |  16 ++
 feignx-core/src/main/java/feign/Contract.java |  16 ++
 .../src/main/java/feign/ExceptionHandler.java |  16 ++
 feignx-core/src/main/java/feign/Feign.java    |  16 ++
 .../main/java/feign/FeignConfiguration.java   |  16 ++
 .../java/feign/FeignConfigurationBuilder.java |  16 ++
 feignx-core/src/main/java/feign/Header.java   |  16 ++
 feignx-core/src/main/java/feign/Logger.java   |  16 ++
 feignx-core/src/main/java/feign/Request.java  |  16 ++
 .../src/main/java/feign/RequestEncoder.java   |  16 ++
 .../main/java/feign/RequestInterceptor.java   |  16 ++
 .../src/main/java/feign/RequestOptions.java   |  16 ++
 feignx-core/src/main/java/feign/Response.java |  16 ++
 .../src/main/java/feign/ResponseDecoder.java  |  16 ++
 feignx-core/src/main/java/feign/Target.java   |  16 ++
 .../java/feign/TargetMethodDefinition.java    |  16 ++
 .../main/java/feign/TargetMethodHandler.java  |  16 ++
 .../feign/TargetMethodHandlerFactory.java     |  16 ++
 .../AbstractAnnotationDrivenContract.java     |  16 ++
 .../src/main/java/feign/contract/Body.java    |  16 ++
 .../java/feign/contract/FeignContract.java    |  16 ++
 .../src/main/java/feign/contract/Header.java  |  16 ++
 .../src/main/java/feign/contract/Headers.java |  16 ++
 .../src/main/java/feign/contract/Param.java   |  16 ++
 .../src/main/java/feign/contract/Request.java |  16 ++
 .../decoder/AbstractResponseDecoder.java      |  16 ++
 .../java/feign/decoder/StringDecoder.java     |  16 ++
 .../java/feign/encoder/StringEncoder.java     |  16 ++
 .../java/feign/exception/FeignException.java  |  16 ++
 .../main/java/feign/http/HttpException.java   |  16 ++
 .../src/main/java/feign/http/HttpHeader.java  |  16 ++
 .../src/main/java/feign/http/HttpMethod.java  |  16 ++
 .../src/main/java/feign/http/HttpRequest.java |  16 ++
 .../main/java/feign/http/HttpResponse.java    |  16 ++
 .../java/feign/http/RequestSpecification.java |  16 ++
 .../http/client/UrlConnectionClient.java      |  18 +-
 .../AbstractFeignConfigurationBuilder.java    |  16 ++
 .../main/java/feign/impl/AbstractTarget.java  |  16 ++
 .../impl/AbstractTargetMethodHandler.java     |  16 ++
 .../feign/impl/BaseFeignConfiguration.java    |  16 ++
 .../impl/BlockingTargetMethodHandler.java     |  16 ++
 .../impl/TypeDrivenMethodHandlerFactory.java  |  16 ++
 .../src/main/java/feign/impl/UriTarget.java   |  16 ++
 .../feign/impl/type/ClassTypeDefinition.java  |  16 ++
 .../impl/type/GenericArrayTypeDefinition.java |  16 ++
 .../type/ParameterizedTypeDefinition.java     |  16 ++
 .../java/feign/impl/type/TypeDefinition.java  |  16 ++
 .../impl/type/TypeDefinitionFactory.java      |  16 ++
 .../impl/type/WildCardTypeDefinition.java     |  16 ++
 .../java/feign/logging/AbstractLogger.java    |  16 ++
 .../main/java/feign/logging/SimpleLogger.java |  16 ++
 .../java/feign/proxy/GuardMethodHandler.java  |  16 ++
 .../src/main/java/feign/proxy/ProxyFeign.java |  16 ++
 .../main/java/feign/proxy/ProxyTarget.java    |  16 ++
 .../src/main/java/feign/support/Assert.java   |  16 ++
 .../main/java/feign/support/StringUtils.java  |  16 ++
 .../src/main/java/feign/template/Chunk.java   |  16 ++
 .../feign/template/CompositeExpression.java   |  16 ++
 .../java/feign/template/DotExpression.java    |  16 ++
 .../main/java/feign/template/Expression.java  |  16 ++
 .../main/java/feign/template/Expressions.java |  16 ++
 .../FormContinuationStyleExpression.java      |  16 ++
 .../feign/template/FormStyleExpression.java   |  16 ++
 .../feign/template/FragmentExpression.java    |  16 ++
 .../src/main/java/feign/template/Literal.java |  16 ++
 .../feign/template/PathSegmentExpression.java |  16 ++
 .../feign/template/PathStyleExpression.java   |  16 ++
 .../feign/template/ReservedExpression.java    |  16 ++
 .../java/feign/template/SimpleExpression.java |  16 ++
 .../template/SimpleTemplateParameter.java     |  16 ++
 .../feign/template/TemplateParameter.java     |  16 ++
 .../main/java/feign/template/UriTemplate.java |  16 ++
 .../main/java/feign/template/UriUtils.java    |  16 ++
 .../src/test/java/feign/FeignTests.java       |  16 ++
 .../feign/TargetMethodDefinitionTest.java     |  16 ++
 .../assertions/AbstractHttpHeaderAssert.java  |  16 ++
 .../assertions/AbstractHttpRequestAssert.java |  16 ++
 .../AbstractHttpResponseAssert.java           |  16 ++
 .../java/feign/assertions/Assertions.java     |  16 ++
 .../feign/assertions/HttpHeaderAssert.java    |  16 ++
 .../feign/assertions/HttpRequestAssert.java   |  16 ++
 .../feign/assertions/HttpResponseAssert.java  |  16 ++
 .../feign/contract/FeignContractTest.java     |  16 ++
 .../decoder/AbstractResponseDecoderTest.java  |  16 ++
 .../java/feign/decoder/StringDecoderTest.java |  16 ++
 .../java/feign/encoder/StringEncoderTest.java |  16 ++
 .../RethrowExceptionHandlerTest.java          |  16 ++
 .../java/feign/http/HttpExceptionTest.java    |  16 ++
 .../test/java/feign/http/HttpHeaderTest.java  |  16 ++
 .../java/feign/http/HttpResponseTest.java     |  16 ++
 .../feign/http/RequestSpecificationTest.java  |  16 ++
 .../UrlConnectionClientIntegrationTest.java   |  16 ++
 .../impl/AbstractTargetMethodHandlerTest.java |  16 ++
 .../test/java/feign/impl/UriTargetTest.java   |  16 ++
 .../impl/type/TypeDefinitionFactoryTest.java  |  16 ++
 .../java/feign/logging/SimpleLoggerTest.java  |  16 ++
 .../java/feign/proxy/ProxyTargetTest.java     |  16 ++
 .../feign/template/DotExpressionTest.java     |  16 ++
 .../java/feign/template/ExpressionTest.java   |  16 ++
 .../java/feign/template/ExpressionsTest.java  |  16 ++
 .../FormContinuationStyleExpressionTest.java  |  16 ++
 .../template/FormStyleExpressionTest.java     |  16 ++
 .../template/FragmentExpressionTest.java      |  16 ++
 .../template/PathSegmentExpressionTest.java   |  16 ++
 .../template/PathStyleExpressionTest.java     |  16 ++
 .../template/ReservedExpressionTest.java      |  16 ++
 .../feign/template/SimpleExpressionTest.java  |  16 ++
 .../feign/template/StyleExpressionTest.java   |  16 ++
 .../feign/template/UriTemplateTckTests.java   |  16 ++
 .../java/feign/template/UriTemplateTest.java  |  16 ++
 .../java/feign/template/UriUtilsTest.java     |  16 ++
 .../java/feign/template/tck/TestCase.java     |  16 ++
 .../java/feign/template/tck/TestExamples.java |  16 ++
 .../java/feign/template/tck/TestGroup.java    |  16 ++
 pom.xml                                       |  53 +++++
 src/resources/header-definition.xml           |  14 ++
 119 files changed, 2127 insertions(+), 1 deletion(-)
 create mode 100644 LICENSE
 create mode 100644 NOTICE
 create mode 100644 src/resources/header-definition.xml

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f49a4e1
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+      Work and such Derivative Works in Source or Object form.
+
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+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
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+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
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+      file or class name and description of purpose be included on the
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+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
\ No newline at end of file
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..f3336b8
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,13 @@
+Copyright 2019 OpenFeign Contributors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
\ No newline at end of file
diff --git a/feignx-core/pom.xml b/feignx-core/pom.xml
index 301d7a5..c5fff6c 100644
--- a/feignx-core/pom.xml
+++ b/feignx-core/pom.xml
@@ -1,4 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright 2019 OpenFeign Contributors
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -11,6 +28,10 @@
 
   <artifactId>feignx-core</artifactId>
 
+  <properties>
+    <feign.basedir>${project.basedir}/..</feign.basedir>
+  </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.slf4j</groupId>
diff --git a/feignx-core/src/main/java/feign/Client.java b/feignx-core/src/main/java/feign/Client.java
index 565d9cd..0c20af8 100644
--- a/feignx-core/src/main/java/feign/Client.java
+++ b/feignx-core/src/main/java/feign/Client.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import feign.exception.FeignException;
diff --git a/feignx-core/src/main/java/feign/Contract.java b/feignx-core/src/main/java/feign/Contract.java
index 4770c49..8cafb3b 100644
--- a/feignx-core/src/main/java/feign/Contract.java
+++ b/feignx-core/src/main/java/feign/Contract.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import java.util.Collection;
diff --git a/feignx-core/src/main/java/feign/ExceptionHandler.java b/feignx-core/src/main/java/feign/ExceptionHandler.java
index 120d626..c4fa136 100644
--- a/feignx-core/src/main/java/feign/ExceptionHandler.java
+++ b/feignx-core/src/main/java/feign/ExceptionHandler.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import java.util.function.Consumer;
diff --git a/feignx-core/src/main/java/feign/Feign.java b/feignx-core/src/main/java/feign/Feign.java
index 7b1f2ca..bfe2dce 100644
--- a/feignx-core/src/main/java/feign/Feign.java
+++ b/feignx-core/src/main/java/feign/Feign.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import feign.ExceptionHandler.RethrowExceptionHandler;
diff --git a/feignx-core/src/main/java/feign/FeignConfiguration.java b/feignx-core/src/main/java/feign/FeignConfiguration.java
index 50f145e..f5cde98 100644
--- a/feignx-core/src/main/java/feign/FeignConfiguration.java
+++ b/feignx-core/src/main/java/feign/FeignConfiguration.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import java.util.List;
diff --git a/feignx-core/src/main/java/feign/FeignConfigurationBuilder.java b/feignx-core/src/main/java/feign/FeignConfigurationBuilder.java
index 68cd61f..250229b 100644
--- a/feignx-core/src/main/java/feign/FeignConfigurationBuilder.java
+++ b/feignx-core/src/main/java/feign/FeignConfigurationBuilder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import java.util.concurrent.Executor;
diff --git a/feignx-core/src/main/java/feign/Header.java b/feignx-core/src/main/java/feign/Header.java
index 0184f76..bb21f32 100644
--- a/feignx-core/src/main/java/feign/Header.java
+++ b/feignx-core/src/main/java/feign/Header.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import java.util.Collection;
diff --git a/feignx-core/src/main/java/feign/Logger.java b/feignx-core/src/main/java/feign/Logger.java
index ee8e1df..c66b46a 100644
--- a/feignx-core/src/main/java/feign/Logger.java
+++ b/feignx-core/src/main/java/feign/Logger.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 /**
diff --git a/feignx-core/src/main/java/feign/Request.java b/feignx-core/src/main/java/feign/Request.java
index 142702e..218c2db 100644
--- a/feignx-core/src/main/java/feign/Request.java
+++ b/feignx-core/src/main/java/feign/Request.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import feign.http.HttpMethod;
diff --git a/feignx-core/src/main/java/feign/RequestEncoder.java b/feignx-core/src/main/java/feign/RequestEncoder.java
index 79e7178..bbc29c3 100644
--- a/feignx-core/src/main/java/feign/RequestEncoder.java
+++ b/feignx-core/src/main/java/feign/RequestEncoder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import feign.http.RequestSpecification;
diff --git a/feignx-core/src/main/java/feign/RequestInterceptor.java b/feignx-core/src/main/java/feign/RequestInterceptor.java
index e554b48..e170e38 100644
--- a/feignx-core/src/main/java/feign/RequestInterceptor.java
+++ b/feignx-core/src/main/java/feign/RequestInterceptor.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import feign.http.RequestSpecification;
diff --git a/feignx-core/src/main/java/feign/RequestOptions.java b/feignx-core/src/main/java/feign/RequestOptions.java
index ccda3aa..1f457c5 100644
--- a/feignx-core/src/main/java/feign/RequestOptions.java
+++ b/feignx-core/src/main/java/feign/RequestOptions.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import java.util.Objects;
diff --git a/feignx-core/src/main/java/feign/Response.java b/feignx-core/src/main/java/feign/Response.java
index ac9c074..59c89fe 100644
--- a/feignx-core/src/main/java/feign/Response.java
+++ b/feignx-core/src/main/java/feign/Response.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import java.io.IOException;
diff --git a/feignx-core/src/main/java/feign/ResponseDecoder.java b/feignx-core/src/main/java/feign/ResponseDecoder.java
index f7e280c..da4f8d7 100644
--- a/feignx-core/src/main/java/feign/ResponseDecoder.java
+++ b/feignx-core/src/main/java/feign/ResponseDecoder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 /**
diff --git a/feignx-core/src/main/java/feign/Target.java b/feignx-core/src/main/java/feign/Target.java
index c551d3f..2e162e8 100644
--- a/feignx-core/src/main/java/feign/Target.java
+++ b/feignx-core/src/main/java/feign/Target.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import feign.http.RequestSpecification;
diff --git a/feignx-core/src/main/java/feign/TargetMethodDefinition.java b/feignx-core/src/main/java/feign/TargetMethodDefinition.java
index 0d88cc7..378fd9f 100644
--- a/feignx-core/src/main/java/feign/TargetMethodDefinition.java
+++ b/feignx-core/src/main/java/feign/TargetMethodDefinition.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import feign.http.HttpHeader;
diff --git a/feignx-core/src/main/java/feign/TargetMethodHandler.java b/feignx-core/src/main/java/feign/TargetMethodHandler.java
index 3d0194b..62ff55e 100644
--- a/feignx-core/src/main/java/feign/TargetMethodHandler.java
+++ b/feignx-core/src/main/java/feign/TargetMethodHandler.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 /**
diff --git a/feignx-core/src/main/java/feign/TargetMethodHandlerFactory.java b/feignx-core/src/main/java/feign/TargetMethodHandlerFactory.java
index 543ebf9..78a6bd2 100644
--- a/feignx-core/src/main/java/feign/TargetMethodHandlerFactory.java
+++ b/feignx-core/src/main/java/feign/TargetMethodHandlerFactory.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 /**
diff --git a/feignx-core/src/main/java/feign/contract/AbstractAnnotationDrivenContract.java b/feignx-core/src/main/java/feign/contract/AbstractAnnotationDrivenContract.java
index ddc6a2a..9ce43fc 100644
--- a/feignx-core/src/main/java/feign/contract/AbstractAnnotationDrivenContract.java
+++ b/feignx-core/src/main/java/feign/contract/AbstractAnnotationDrivenContract.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import feign.Contract;
diff --git a/feignx-core/src/main/java/feign/contract/Body.java b/feignx-core/src/main/java/feign/contract/Body.java
index 0939d18..52dac33 100644
--- a/feignx-core/src/main/java/feign/contract/Body.java
+++ b/feignx-core/src/main/java/feign/contract/Body.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import java.lang.annotation.Documented;
diff --git a/feignx-core/src/main/java/feign/contract/FeignContract.java b/feignx-core/src/main/java/feign/contract/FeignContract.java
index 4407535..cc6c77a 100644
--- a/feignx-core/src/main/java/feign/contract/FeignContract.java
+++ b/feignx-core/src/main/java/feign/contract/FeignContract.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import feign.TargetMethodDefinition;
diff --git a/feignx-core/src/main/java/feign/contract/Header.java b/feignx-core/src/main/java/feign/contract/Header.java
index a8ea3bd..0fcc345 100644
--- a/feignx-core/src/main/java/feign/contract/Header.java
+++ b/feignx-core/src/main/java/feign/contract/Header.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import java.lang.annotation.Documented;
diff --git a/feignx-core/src/main/java/feign/contract/Headers.java b/feignx-core/src/main/java/feign/contract/Headers.java
index 3db4d6a..fe13ec7 100644
--- a/feignx-core/src/main/java/feign/contract/Headers.java
+++ b/feignx-core/src/main/java/feign/contract/Headers.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import java.lang.annotation.Documented;
diff --git a/feignx-core/src/main/java/feign/contract/Param.java b/feignx-core/src/main/java/feign/contract/Param.java
index 50323b7..5f179c1 100644
--- a/feignx-core/src/main/java/feign/contract/Param.java
+++ b/feignx-core/src/main/java/feign/contract/Param.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import java.lang.annotation.Documented;
diff --git a/feignx-core/src/main/java/feign/contract/Request.java b/feignx-core/src/main/java/feign/contract/Request.java
index dfd1f77..bbef9ff 100644
--- a/feignx-core/src/main/java/feign/contract/Request.java
+++ b/feignx-core/src/main/java/feign/contract/Request.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import feign.RequestOptions;
diff --git a/feignx-core/src/main/java/feign/decoder/AbstractResponseDecoder.java b/feignx-core/src/main/java/feign/decoder/AbstractResponseDecoder.java
index 8c5131d..3bcbd6e 100644
--- a/feignx-core/src/main/java/feign/decoder/AbstractResponseDecoder.java
+++ b/feignx-core/src/main/java/feign/decoder/AbstractResponseDecoder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.decoder;
 
 import feign.Response;
diff --git a/feignx-core/src/main/java/feign/decoder/StringDecoder.java b/feignx-core/src/main/java/feign/decoder/StringDecoder.java
index 6e7a692..ba48a2a 100644
--- a/feignx-core/src/main/java/feign/decoder/StringDecoder.java
+++ b/feignx-core/src/main/java/feign/decoder/StringDecoder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.decoder;
 
 import feign.Response;
diff --git a/feignx-core/src/main/java/feign/encoder/StringEncoder.java b/feignx-core/src/main/java/feign/encoder/StringEncoder.java
index 20bd571..940eb50 100644
--- a/feignx-core/src/main/java/feign/encoder/StringEncoder.java
+++ b/feignx-core/src/main/java/feign/encoder/StringEncoder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.encoder;
 
 import feign.RequestEncoder;
diff --git a/feignx-core/src/main/java/feign/exception/FeignException.java b/feignx-core/src/main/java/feign/exception/FeignException.java
index 720ffbd..6e4e0a6 100644
--- a/feignx-core/src/main/java/feign/exception/FeignException.java
+++ b/feignx-core/src/main/java/feign/exception/FeignException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.exception;
 
 /**
diff --git a/feignx-core/src/main/java/feign/http/HttpException.java b/feignx-core/src/main/java/feign/http/HttpException.java
index 968f51e..bff6499 100644
--- a/feignx-core/src/main/java/feign/http/HttpException.java
+++ b/feignx-core/src/main/java/feign/http/HttpException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import feign.Client;
diff --git a/feignx-core/src/main/java/feign/http/HttpHeader.java b/feignx-core/src/main/java/feign/http/HttpHeader.java
index b140568..7c1f997 100644
--- a/feignx-core/src/main/java/feign/http/HttpHeader.java
+++ b/feignx-core/src/main/java/feign/http/HttpHeader.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import feign.Header;
diff --git a/feignx-core/src/main/java/feign/http/HttpMethod.java b/feignx-core/src/main/java/feign/http/HttpMethod.java
index a7ea949..3008959 100644
--- a/feignx-core/src/main/java/feign/http/HttpMethod.java
+++ b/feignx-core/src/main/java/feign/http/HttpMethod.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 /**
diff --git a/feignx-core/src/main/java/feign/http/HttpRequest.java b/feignx-core/src/main/java/feign/http/HttpRequest.java
index 248fc4e..0a8de5e 100644
--- a/feignx-core/src/main/java/feign/http/HttpRequest.java
+++ b/feignx-core/src/main/java/feign/http/HttpRequest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import feign.Header;
diff --git a/feignx-core/src/main/java/feign/http/HttpResponse.java b/feignx-core/src/main/java/feign/http/HttpResponse.java
index 0074236..6469bde 100644
--- a/feignx-core/src/main/java/feign/http/HttpResponse.java
+++ b/feignx-core/src/main/java/feign/http/HttpResponse.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import feign.Header;
diff --git a/feignx-core/src/main/java/feign/http/RequestSpecification.java b/feignx-core/src/main/java/feign/http/RequestSpecification.java
index 58f4d5e..c21f311 100644
--- a/feignx-core/src/main/java/feign/http/RequestSpecification.java
+++ b/feignx-core/src/main/java/feign/http/RequestSpecification.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import feign.Header;
diff --git a/feignx-core/src/main/java/feign/http/client/UrlConnectionClient.java b/feignx-core/src/main/java/feign/http/client/UrlConnectionClient.java
index 697e501..12e18b1 100644
--- a/feignx-core/src/main/java/feign/http/client/UrlConnectionClient.java
+++ b/feignx-core/src/main/java/feign/http/client/UrlConnectionClient.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http.client;
 
 import feign.Client;
@@ -27,7 +43,7 @@ public class UrlConnectionClient implements Client {
    *
    * @param request to send.
    * @return Response received.
-   * @throws HttpException if any error occurred during processing.
+   * @throws FeignException if any error occurred during processing.
    */
   @Override
   public Response request(Request request) throws FeignException {
diff --git a/feignx-core/src/main/java/feign/impl/AbstractFeignConfigurationBuilder.java b/feignx-core/src/main/java/feign/impl/AbstractFeignConfigurationBuilder.java
index 674931f..57d9666 100644
--- a/feignx-core/src/main/java/feign/impl/AbstractFeignConfigurationBuilder.java
+++ b/feignx-core/src/main/java/feign/impl/AbstractFeignConfigurationBuilder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import feign.Client;
diff --git a/feignx-core/src/main/java/feign/impl/AbstractTarget.java b/feignx-core/src/main/java/feign/impl/AbstractTarget.java
index 7a3f476..9acdba6 100644
--- a/feignx-core/src/main/java/feign/impl/AbstractTarget.java
+++ b/feignx-core/src/main/java/feign/impl/AbstractTarget.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import feign.Target;
diff --git a/feignx-core/src/main/java/feign/impl/AbstractTargetMethodHandler.java b/feignx-core/src/main/java/feign/impl/AbstractTargetMethodHandler.java
index 5218f17..2c225eb 100644
--- a/feignx-core/src/main/java/feign/impl/AbstractTargetMethodHandler.java
+++ b/feignx-core/src/main/java/feign/impl/AbstractTargetMethodHandler.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import feign.Client;
diff --git a/feignx-core/src/main/java/feign/impl/BaseFeignConfiguration.java b/feignx-core/src/main/java/feign/impl/BaseFeignConfiguration.java
index 7ae2ae9..580c31b 100644
--- a/feignx-core/src/main/java/feign/impl/BaseFeignConfiguration.java
+++ b/feignx-core/src/main/java/feign/impl/BaseFeignConfiguration.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import feign.Client;
diff --git a/feignx-core/src/main/java/feign/impl/BlockingTargetMethodHandler.java b/feignx-core/src/main/java/feign/impl/BlockingTargetMethodHandler.java
index 6bc2d02..339c11b 100644
--- a/feignx-core/src/main/java/feign/impl/BlockingTargetMethodHandler.java
+++ b/feignx-core/src/main/java/feign/impl/BlockingTargetMethodHandler.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import feign.Client;
diff --git a/feignx-core/src/main/java/feign/impl/TypeDrivenMethodHandlerFactory.java b/feignx-core/src/main/java/feign/impl/TypeDrivenMethodHandlerFactory.java
index 90918ba..a5d4589 100644
--- a/feignx-core/src/main/java/feign/impl/TypeDrivenMethodHandlerFactory.java
+++ b/feignx-core/src/main/java/feign/impl/TypeDrivenMethodHandlerFactory.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import feign.FeignConfiguration;
diff --git a/feignx-core/src/main/java/feign/impl/UriTarget.java b/feignx-core/src/main/java/feign/impl/UriTarget.java
index 95186ec..84b3585 100644
--- a/feignx-core/src/main/java/feign/impl/UriTarget.java
+++ b/feignx-core/src/main/java/feign/impl/UriTarget.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import feign.http.RequestSpecification;
diff --git a/feignx-core/src/main/java/feign/impl/type/ClassTypeDefinition.java b/feignx-core/src/main/java/feign/impl/type/ClassTypeDefinition.java
index 0e3b27c..4f230b1 100644
--- a/feignx-core/src/main/java/feign/impl/type/ClassTypeDefinition.java
+++ b/feignx-core/src/main/java/feign/impl/type/ClassTypeDefinition.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl.type;
 
 import java.lang.reflect.Type;
diff --git a/feignx-core/src/main/java/feign/impl/type/GenericArrayTypeDefinition.java b/feignx-core/src/main/java/feign/impl/type/GenericArrayTypeDefinition.java
index f84a991..e6ae088 100644
--- a/feignx-core/src/main/java/feign/impl/type/GenericArrayTypeDefinition.java
+++ b/feignx-core/src/main/java/feign/impl/type/GenericArrayTypeDefinition.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl.type;
 
 import java.lang.reflect.GenericArrayType;
diff --git a/feignx-core/src/main/java/feign/impl/type/ParameterizedTypeDefinition.java b/feignx-core/src/main/java/feign/impl/type/ParameterizedTypeDefinition.java
index a1cf9c2..ca48435 100644
--- a/feignx-core/src/main/java/feign/impl/type/ParameterizedTypeDefinition.java
+++ b/feignx-core/src/main/java/feign/impl/type/ParameterizedTypeDefinition.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl.type;
 
 import java.lang.reflect.ParameterizedType;
diff --git a/feignx-core/src/main/java/feign/impl/type/TypeDefinition.java b/feignx-core/src/main/java/feign/impl/type/TypeDefinition.java
index d3b12a7..ebaf2cb 100644
--- a/feignx-core/src/main/java/feign/impl/type/TypeDefinition.java
+++ b/feignx-core/src/main/java/feign/impl/type/TypeDefinition.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl.type;
 
 import java.lang.reflect.Type;
diff --git a/feignx-core/src/main/java/feign/impl/type/TypeDefinitionFactory.java b/feignx-core/src/main/java/feign/impl/type/TypeDefinitionFactory.java
index fa3f949..c01c803 100644
--- a/feignx-core/src/main/java/feign/impl/type/TypeDefinitionFactory.java
+++ b/feignx-core/src/main/java/feign/impl/type/TypeDefinitionFactory.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl.type;
 
 import java.lang.reflect.GenericArrayType;
diff --git a/feignx-core/src/main/java/feign/impl/type/WildCardTypeDefinition.java b/feignx-core/src/main/java/feign/impl/type/WildCardTypeDefinition.java
index 3e1acff..b92064f 100644
--- a/feignx-core/src/main/java/feign/impl/type/WildCardTypeDefinition.java
+++ b/feignx-core/src/main/java/feign/impl/type/WildCardTypeDefinition.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl.type;
 
 import java.lang.reflect.Type;
diff --git a/feignx-core/src/main/java/feign/logging/AbstractLogger.java b/feignx-core/src/main/java/feign/logging/AbstractLogger.java
index 79b943c..1b38f04 100644
--- a/feignx-core/src/main/java/feign/logging/AbstractLogger.java
+++ b/feignx-core/src/main/java/feign/logging/AbstractLogger.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.logging;
 
 import feign.Header;
diff --git a/feignx-core/src/main/java/feign/logging/SimpleLogger.java b/feignx-core/src/main/java/feign/logging/SimpleLogger.java
index 77264a4..ba204be 100644
--- a/feignx-core/src/main/java/feign/logging/SimpleLogger.java
+++ b/feignx-core/src/main/java/feign/logging/SimpleLogger.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.logging;
 
 import org.slf4j.Logger;
diff --git a/feignx-core/src/main/java/feign/proxy/GuardMethodHandler.java b/feignx-core/src/main/java/feign/proxy/GuardMethodHandler.java
index 37f24ac..15e2d1a 100644
--- a/feignx-core/src/main/java/feign/proxy/GuardMethodHandler.java
+++ b/feignx-core/src/main/java/feign/proxy/GuardMethodHandler.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.proxy;
 
 import feign.Target;
diff --git a/feignx-core/src/main/java/feign/proxy/ProxyFeign.java b/feignx-core/src/main/java/feign/proxy/ProxyFeign.java
index 1b7da29..2c716c5 100644
--- a/feignx-core/src/main/java/feign/proxy/ProxyFeign.java
+++ b/feignx-core/src/main/java/feign/proxy/ProxyFeign.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.proxy;
 
 import feign.Feign;
diff --git a/feignx-core/src/main/java/feign/proxy/ProxyTarget.java b/feignx-core/src/main/java/feign/proxy/ProxyTarget.java
index 3ef9fa7..f7c8656 100644
--- a/feignx-core/src/main/java/feign/proxy/ProxyTarget.java
+++ b/feignx-core/src/main/java/feign/proxy/ProxyTarget.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.proxy;
 
 import feign.FeignConfiguration;
diff --git a/feignx-core/src/main/java/feign/support/Assert.java b/feignx-core/src/main/java/feign/support/Assert.java
index 40c3f00..33b4aeb 100644
--- a/feignx-core/src/main/java/feign/support/Assert.java
+++ b/feignx-core/src/main/java/feign/support/Assert.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.support;
 
 import java.util.function.Predicate;
diff --git a/feignx-core/src/main/java/feign/support/StringUtils.java b/feignx-core/src/main/java/feign/support/StringUtils.java
index b183837..3a81ec3 100644
--- a/feignx-core/src/main/java/feign/support/StringUtils.java
+++ b/feignx-core/src/main/java/feign/support/StringUtils.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.support;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/Chunk.java b/feignx-core/src/main/java/feign/template/Chunk.java
index d4e8b75..1334530 100644
--- a/feignx-core/src/main/java/feign/template/Chunk.java
+++ b/feignx-core/src/main/java/feign/template/Chunk.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/CompositeExpression.java b/feignx-core/src/main/java/feign/template/CompositeExpression.java
index e06d673..fb75e06 100644
--- a/feignx-core/src/main/java/feign/template/CompositeExpression.java
+++ b/feignx-core/src/main/java/feign/template/CompositeExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import feign.support.StringUtils;
diff --git a/feignx-core/src/main/java/feign/template/DotExpression.java b/feignx-core/src/main/java/feign/template/DotExpression.java
index 6d14d55..237230a 100644
--- a/feignx-core/src/main/java/feign/template/DotExpression.java
+++ b/feignx-core/src/main/java/feign/template/DotExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/Expression.java b/feignx-core/src/main/java/feign/template/Expression.java
index e0a381d..d073227 100644
--- a/feignx-core/src/main/java/feign/template/Expression.java
+++ b/feignx-core/src/main/java/feign/template/Expression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import feign.support.Assert;
diff --git a/feignx-core/src/main/java/feign/template/Expressions.java b/feignx-core/src/main/java/feign/template/Expressions.java
index 946b9cc..03fbfcf 100644
--- a/feignx-core/src/main/java/feign/template/Expressions.java
+++ b/feignx-core/src/main/java/feign/template/Expressions.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import feign.support.StringUtils;
diff --git a/feignx-core/src/main/java/feign/template/FormContinuationStyleExpression.java b/feignx-core/src/main/java/feign/template/FormContinuationStyleExpression.java
index 1a28e35..905fb24 100644
--- a/feignx-core/src/main/java/feign/template/FormContinuationStyleExpression.java
+++ b/feignx-core/src/main/java/feign/template/FormContinuationStyleExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/FormStyleExpression.java b/feignx-core/src/main/java/feign/template/FormStyleExpression.java
index 5126cb7..514a9c0 100644
--- a/feignx-core/src/main/java/feign/template/FormStyleExpression.java
+++ b/feignx-core/src/main/java/feign/template/FormStyleExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/FragmentExpression.java b/feignx-core/src/main/java/feign/template/FragmentExpression.java
index b0edf57..0df4532 100644
--- a/feignx-core/src/main/java/feign/template/FragmentExpression.java
+++ b/feignx-core/src/main/java/feign/template/FragmentExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/Literal.java b/feignx-core/src/main/java/feign/template/Literal.java
index ba3cdb7..38b7648 100644
--- a/feignx-core/src/main/java/feign/template/Literal.java
+++ b/feignx-core/src/main/java/feign/template/Literal.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import feign.support.Assert;
diff --git a/feignx-core/src/main/java/feign/template/PathSegmentExpression.java b/feignx-core/src/main/java/feign/template/PathSegmentExpression.java
index 97fee33..6bdc325 100644
--- a/feignx-core/src/main/java/feign/template/PathSegmentExpression.java
+++ b/feignx-core/src/main/java/feign/template/PathSegmentExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/PathStyleExpression.java b/feignx-core/src/main/java/feign/template/PathStyleExpression.java
index 2c8a2ac..e43ec97 100644
--- a/feignx-core/src/main/java/feign/template/PathStyleExpression.java
+++ b/feignx-core/src/main/java/feign/template/PathStyleExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import feign.support.StringUtils;
diff --git a/feignx-core/src/main/java/feign/template/ReservedExpression.java b/feignx-core/src/main/java/feign/template/ReservedExpression.java
index fcedc03..654d7e1 100644
--- a/feignx-core/src/main/java/feign/template/ReservedExpression.java
+++ b/feignx-core/src/main/java/feign/template/ReservedExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/SimpleExpression.java b/feignx-core/src/main/java/feign/template/SimpleExpression.java
index 276447d..9673a8a 100644
--- a/feignx-core/src/main/java/feign/template/SimpleExpression.java
+++ b/feignx-core/src/main/java/feign/template/SimpleExpression.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/SimpleTemplateParameter.java b/feignx-core/src/main/java/feign/template/SimpleTemplateParameter.java
index 508f26b..384c023 100644
--- a/feignx-core/src/main/java/feign/template/SimpleTemplateParameter.java
+++ b/feignx-core/src/main/java/feign/template/SimpleTemplateParameter.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import feign.support.Assert;
diff --git a/feignx-core/src/main/java/feign/template/TemplateParameter.java b/feignx-core/src/main/java/feign/template/TemplateParameter.java
index d94e9e4..e0f75b2 100644
--- a/feignx-core/src/main/java/feign/template/TemplateParameter.java
+++ b/feignx-core/src/main/java/feign/template/TemplateParameter.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 /**
diff --git a/feignx-core/src/main/java/feign/template/UriTemplate.java b/feignx-core/src/main/java/feign/template/UriTemplate.java
index 3066cc0..1fb9349 100644
--- a/feignx-core/src/main/java/feign/template/UriTemplate.java
+++ b/feignx-core/src/main/java/feign/template/UriTemplate.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import feign.support.Assert;
diff --git a/feignx-core/src/main/java/feign/template/UriUtils.java b/feignx-core/src/main/java/feign/template/UriUtils.java
index 7bb70a6..94fde27 100644
--- a/feignx-core/src/main/java/feign/template/UriUtils.java
+++ b/feignx-core/src/main/java/feign/template/UriUtils.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import java.io.ByteArrayOutputStream;
diff --git a/feignx-core/src/test/java/feign/FeignTests.java b/feignx-core/src/test/java/feign/FeignTests.java
index 2496130..403395e 100644
--- a/feignx-core/src/test/java/feign/FeignTests.java
+++ b/feignx-core/src/test/java/feign/FeignTests.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/TargetMethodDefinitionTest.java b/feignx-core/src/test/java/feign/TargetMethodDefinitionTest.java
index 983f5d0..6e5b115 100644
--- a/feignx-core/src/test/java/feign/TargetMethodDefinitionTest.java
+++ b/feignx-core/src/test/java/feign/TargetMethodDefinitionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/assertions/AbstractHttpHeaderAssert.java b/feignx-core/src/test/java/feign/assertions/AbstractHttpHeaderAssert.java
index 3073326..93be8dd 100644
--- a/feignx-core/src/test/java/feign/assertions/AbstractHttpHeaderAssert.java
+++ b/feignx-core/src/test/java/feign/assertions/AbstractHttpHeaderAssert.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.assertions;
 
 import feign.http.HttpHeader;
diff --git a/feignx-core/src/test/java/feign/assertions/AbstractHttpRequestAssert.java b/feignx-core/src/test/java/feign/assertions/AbstractHttpRequestAssert.java
index 196487c..041cc64 100644
--- a/feignx-core/src/test/java/feign/assertions/AbstractHttpRequestAssert.java
+++ b/feignx-core/src/test/java/feign/assertions/AbstractHttpRequestAssert.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.assertions;
 
 import feign.http.HttpHeader;
diff --git a/feignx-core/src/test/java/feign/assertions/AbstractHttpResponseAssert.java b/feignx-core/src/test/java/feign/assertions/AbstractHttpResponseAssert.java
index d6fdcf9..6fc4408 100644
--- a/feignx-core/src/test/java/feign/assertions/AbstractHttpResponseAssert.java
+++ b/feignx-core/src/test/java/feign/assertions/AbstractHttpResponseAssert.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.assertions;
 
 import feign.http.HttpHeader;
diff --git a/feignx-core/src/test/java/feign/assertions/Assertions.java b/feignx-core/src/test/java/feign/assertions/Assertions.java
index 8a56884..76b4bde 100644
--- a/feignx-core/src/test/java/feign/assertions/Assertions.java
+++ b/feignx-core/src/test/java/feign/assertions/Assertions.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.assertions;
 
 /**
diff --git a/feignx-core/src/test/java/feign/assertions/HttpHeaderAssert.java b/feignx-core/src/test/java/feign/assertions/HttpHeaderAssert.java
index 14b4ceb..6b55289 100644
--- a/feignx-core/src/test/java/feign/assertions/HttpHeaderAssert.java
+++ b/feignx-core/src/test/java/feign/assertions/HttpHeaderAssert.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.assertions;
 
 import feign.http.HttpHeader;
diff --git a/feignx-core/src/test/java/feign/assertions/HttpRequestAssert.java b/feignx-core/src/test/java/feign/assertions/HttpRequestAssert.java
index 25e27fd..0ea159f 100644
--- a/feignx-core/src/test/java/feign/assertions/HttpRequestAssert.java
+++ b/feignx-core/src/test/java/feign/assertions/HttpRequestAssert.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.assertions;
 
 import feign.http.HttpRequest;
diff --git a/feignx-core/src/test/java/feign/assertions/HttpResponseAssert.java b/feignx-core/src/test/java/feign/assertions/HttpResponseAssert.java
index e31acc6..94e596a 100644
--- a/feignx-core/src/test/java/feign/assertions/HttpResponseAssert.java
+++ b/feignx-core/src/test/java/feign/assertions/HttpResponseAssert.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.assertions;
 
 import feign.http.HttpResponse;
diff --git a/feignx-core/src/test/java/feign/contract/FeignContractTest.java b/feignx-core/src/test/java/feign/contract/FeignContractTest.java
index 275718c..83924c7 100644
--- a/feignx-core/src/test/java/feign/contract/FeignContractTest.java
+++ b/feignx-core/src/test/java/feign/contract/FeignContractTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.contract;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/decoder/AbstractResponseDecoderTest.java b/feignx-core/src/test/java/feign/decoder/AbstractResponseDecoderTest.java
index afec47c..888a639 100644
--- a/feignx-core/src/test/java/feign/decoder/AbstractResponseDecoderTest.java
+++ b/feignx-core/src/test/java/feign/decoder/AbstractResponseDecoderTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.decoder;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/decoder/StringDecoderTest.java b/feignx-core/src/test/java/feign/decoder/StringDecoderTest.java
index cf3c540..c33e6e7 100644
--- a/feignx-core/src/test/java/feign/decoder/StringDecoderTest.java
+++ b/feignx-core/src/test/java/feign/decoder/StringDecoderTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.decoder;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/encoder/StringEncoderTest.java b/feignx-core/src/test/java/feign/encoder/StringEncoderTest.java
index 600cb4c..3171b3c 100644
--- a/feignx-core/src/test/java/feign/encoder/StringEncoderTest.java
+++ b/feignx-core/src/test/java/feign/encoder/StringEncoderTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.encoder;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/feignx-core/src/test/java/feign/exception/RethrowExceptionHandlerTest.java b/feignx-core/src/test/java/feign/exception/RethrowExceptionHandlerTest.java
index b7281ae..029f819 100644
--- a/feignx-core/src/test/java/feign/exception/RethrowExceptionHandlerTest.java
+++ b/feignx-core/src/test/java/feign/exception/RethrowExceptionHandlerTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.exception;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/http/HttpExceptionTest.java b/feignx-core/src/test/java/feign/http/HttpExceptionTest.java
index b1384b9..788e136 100644
--- a/feignx-core/src/test/java/feign/http/HttpExceptionTest.java
+++ b/feignx-core/src/test/java/feign/http/HttpExceptionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/http/HttpHeaderTest.java b/feignx-core/src/test/java/feign/http/HttpHeaderTest.java
index 71d9f41..34e8a9d 100644
--- a/feignx-core/src/test/java/feign/http/HttpHeaderTest.java
+++ b/feignx-core/src/test/java/feign/http/HttpHeaderTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import static feign.assertions.HttpHeaderAssert.assertThat;
diff --git a/feignx-core/src/test/java/feign/http/HttpResponseTest.java b/feignx-core/src/test/java/feign/http/HttpResponseTest.java
index 506e9d1..cf1a237 100644
--- a/feignx-core/src/test/java/feign/http/HttpResponseTest.java
+++ b/feignx-core/src/test/java/feign/http/HttpResponseTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/http/RequestSpecificationTest.java b/feignx-core/src/test/java/feign/http/RequestSpecificationTest.java
index 05e5c02..311a89f 100644
--- a/feignx-core/src/test/java/feign/http/RequestSpecificationTest.java
+++ b/feignx-core/src/test/java/feign/http/RequestSpecificationTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http;
 
 import static feign.assertions.HttpRequestAssert.assertThat;
diff --git a/feignx-core/src/test/java/feign/http/client/UrlConnectionClientIntegrationTest.java b/feignx-core/src/test/java/feign/http/client/UrlConnectionClientIntegrationTest.java
index 11f256d..356e4e5 100644
--- a/feignx-core/src/test/java/feign/http/client/UrlConnectionClientIntegrationTest.java
+++ b/feignx-core/src/test/java/feign/http/client/UrlConnectionClientIntegrationTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.http.client;
 
 import static feign.assertions.HttpResponseAssert.assertThat;
diff --git a/feignx-core/src/test/java/feign/impl/AbstractTargetMethodHandlerTest.java b/feignx-core/src/test/java/feign/impl/AbstractTargetMethodHandlerTest.java
index 6bc3712..941cbfc 100644
--- a/feignx-core/src/test/java/feign/impl/AbstractTargetMethodHandlerTest.java
+++ b/feignx-core/src/test/java/feign/impl/AbstractTargetMethodHandlerTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/impl/UriTargetTest.java b/feignx-core/src/test/java/feign/impl/UriTargetTest.java
index 9b4811a..44f6d8c 100644
--- a/feignx-core/src/test/java/feign/impl/UriTargetTest.java
+++ b/feignx-core/src/test/java/feign/impl/UriTargetTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/impl/type/TypeDefinitionFactoryTest.java b/feignx-core/src/test/java/feign/impl/type/TypeDefinitionFactoryTest.java
index d76abd5..084626d 100644
--- a/feignx-core/src/test/java/feign/impl/type/TypeDefinitionFactoryTest.java
+++ b/feignx-core/src/test/java/feign/impl/type/TypeDefinitionFactoryTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.impl.type;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/logging/SimpleLoggerTest.java b/feignx-core/src/test/java/feign/logging/SimpleLoggerTest.java
index 4bd6cfd..5dc9fdd 100644
--- a/feignx-core/src/test/java/feign/logging/SimpleLoggerTest.java
+++ b/feignx-core/src/test/java/feign/logging/SimpleLoggerTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.logging;
 
 import static org.mockito.Mockito.mock;
diff --git a/feignx-core/src/test/java/feign/proxy/ProxyTargetTest.java b/feignx-core/src/test/java/feign/proxy/ProxyTargetTest.java
index e04fe84..52df857 100644
--- a/feignx-core/src/test/java/feign/proxy/ProxyTargetTest.java
+++ b/feignx-core/src/test/java/feign/proxy/ProxyTargetTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.proxy;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/DotExpressionTest.java b/feignx-core/src/test/java/feign/template/DotExpressionTest.java
index c5950a8..9798222 100644
--- a/feignx-core/src/test/java/feign/template/DotExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/DotExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/ExpressionTest.java b/feignx-core/src/test/java/feign/template/ExpressionTest.java
index 77e952d..3d4e7a2 100644
--- a/feignx-core/src/test/java/feign/template/ExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/ExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/ExpressionsTest.java b/feignx-core/src/test/java/feign/template/ExpressionsTest.java
index 18cc753..70cf46b 100644
--- a/feignx-core/src/test/java/feign/template/ExpressionsTest.java
+++ b/feignx-core/src/test/java/feign/template/ExpressionsTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/FormContinuationStyleExpressionTest.java b/feignx-core/src/test/java/feign/template/FormContinuationStyleExpressionTest.java
index fbb8acf..a21209e 100644
--- a/feignx-core/src/test/java/feign/template/FormContinuationStyleExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/FormContinuationStyleExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 class FormContinuationStyleExpressionTest extends FormStyleExpressionTest {
diff --git a/feignx-core/src/test/java/feign/template/FormStyleExpressionTest.java b/feignx-core/src/test/java/feign/template/FormStyleExpressionTest.java
index 911b179..017c237 100644
--- a/feignx-core/src/test/java/feign/template/FormStyleExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/FormStyleExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 class FormStyleExpressionTest extends StyleExpressionTest {
diff --git a/feignx-core/src/test/java/feign/template/FragmentExpressionTest.java b/feignx-core/src/test/java/feign/template/FragmentExpressionTest.java
index dadef69..340932a 100644
--- a/feignx-core/src/test/java/feign/template/FragmentExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/FragmentExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 class FragmentExpressionTest extends ReservedExpressionTest {
diff --git a/feignx-core/src/test/java/feign/template/PathSegmentExpressionTest.java b/feignx-core/src/test/java/feign/template/PathSegmentExpressionTest.java
index 237000e..3c52f90 100644
--- a/feignx-core/src/test/java/feign/template/PathSegmentExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/PathSegmentExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/PathStyleExpressionTest.java b/feignx-core/src/test/java/feign/template/PathStyleExpressionTest.java
index f777a60..e96aa56 100644
--- a/feignx-core/src/test/java/feign/template/PathStyleExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/PathStyleExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/ReservedExpressionTest.java b/feignx-core/src/test/java/feign/template/ReservedExpressionTest.java
index ff5afd1..224f511 100644
--- a/feignx-core/src/test/java/feign/template/ReservedExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/ReservedExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/SimpleExpressionTest.java b/feignx-core/src/test/java/feign/template/SimpleExpressionTest.java
index 7661491..c56f18d 100644
--- a/feignx-core/src/test/java/feign/template/SimpleExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/SimpleExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 class SimpleExpressionTest extends ExpressionTest {
diff --git a/feignx-core/src/test/java/feign/template/StyleExpressionTest.java b/feignx-core/src/test/java/feign/template/StyleExpressionTest.java
index 3e33fc6..8cc50d6 100644
--- a/feignx-core/src/test/java/feign/template/StyleExpressionTest.java
+++ b/feignx-core/src/test/java/feign/template/StyleExpressionTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/UriTemplateTckTests.java b/feignx-core/src/test/java/feign/template/UriTemplateTckTests.java
index 9feeae9..1f1a50a 100644
--- a/feignx-core/src/test/java/feign/template/UriTemplateTckTests.java
+++ b/feignx-core/src/test/java/feign/template/UriTemplateTckTests.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.fail;
diff --git a/feignx-core/src/test/java/feign/template/UriTemplateTest.java b/feignx-core/src/test/java/feign/template/UriTemplateTest.java
index 053d80e..4db2503 100644
--- a/feignx-core/src/test/java/feign/template/UriTemplateTest.java
+++ b/feignx-core/src/test/java/feign/template/UriTemplateTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/UriUtilsTest.java b/feignx-core/src/test/java/feign/template/UriUtilsTest.java
index cca2e9a..bfa5a29 100644
--- a/feignx-core/src/test/java/feign/template/UriUtilsTest.java
+++ b/feignx-core/src/test/java/feign/template/UriUtilsTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/feignx-core/src/test/java/feign/template/tck/TestCase.java b/feignx-core/src/test/java/feign/template/tck/TestCase.java
index 4b066c4..d4a4b97 100644
--- a/feignx-core/src/test/java/feign/template/tck/TestCase.java
+++ b/feignx-core/src/test/java/feign/template/tck/TestCase.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template.tck;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
diff --git a/feignx-core/src/test/java/feign/template/tck/TestExamples.java b/feignx-core/src/test/java/feign/template/tck/TestExamples.java
index c8f0a0b..54b2999 100644
--- a/feignx-core/src/test/java/feign/template/tck/TestExamples.java
+++ b/feignx-core/src/test/java/feign/template/tck/TestExamples.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template.tck;
 
 import java.util.LinkedHashMap;
diff --git a/feignx-core/src/test/java/feign/template/tck/TestGroup.java b/feignx-core/src/test/java/feign/template/tck/TestGroup.java
index 6719f97..e5f040d 100644
--- a/feignx-core/src/test/java/feign/template/tck/TestGroup.java
+++ b/feignx-core/src/test/java/feign/template/tck/TestGroup.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 OpenFeign Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 package feign.template.tck;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
diff --git a/pom.xml b/pom.xml
index 5fc9e3c..8a4e22e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,4 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright 2019 OpenFeign Contributors
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -14,6 +31,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <feign.basedir>${project.basedir}</feign.basedir>
     <slf4j.version>1.7.26</slf4j.version>
   </properties>
 
@@ -225,6 +243,37 @@
             </rules>
           </configuration>
         </plugin>
+        <plugin>
+          <groupId>com.mycila</groupId>
+          <artifactId>license-maven-plugin</artifactId>
+          <version>3.0</version>
+          <configuration>
+            <aggregate>true</aggregate>
+            <headerDefinitions>
+              <headerDefinition>${feign.basedir}/src/resources/header-definition.xml</headerDefinition>
+            </headerDefinitions>
+            <header>NOTICE</header>
+            <excludes>
+              <exclude>mvnw**</exclude>
+              <exclude>**/LICENSE</exclude>
+              <exclude>**/NOTICE</exclude>
+              <exclude>**/*.md</exclude>
+              <exclude>**/*.properties</exclude>
+              <exclude>src/resources/**</exclude>
+              <exclude>src/main/resources/**</exclude>
+              <exclude>src/test/resources/**</exclude>
+            </excludes>
+            <strictCheck>true</strictCheck>
+          </configuration>
+          <executions>
+            <execution>
+              <phase>validate</phase>
+              <goals>
+                <goal>check</goal>
+              </goals>
+            </execution>
+          </executions>
+        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
@@ -240,6 +289,10 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
       </plugin>
+      <plugin>
+        <groupId>com.mycila</groupId>
+        <artifactId>license-maven-plugin</artifactId>
+      </plugin>
     </plugins>
   </build>
   <reporting>
diff --git a/src/resources/header-definition.xml b/src/resources/header-definition.xml
new file mode 100644
index 0000000..0695fac
--- /dev/null
+++ b/src/resources/header-definition.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<additionalHeaders>
+  <javadoc_style>
+    <firstLine>/*</firstLine>
+    <beforeEachLine> * </beforeEachLine>
+    <endLine>*/EOL</endLine>
+    <allowBlankLines>true</allowBlankLines>
+    <firstLineDetectionPattern>(\s|\t)*/\*.*$</firstLineDetectionPattern>
+    <lastLineDetectionPattern>.*\*/(\s|\t)*$</lastLineDetectionPattern>
+    <allowBlankLines>true</allowBlankLines>
+    <isMultiline>true</isMultiline>
+    <padLines>false</padLines>
+  </javadoc_style>
+</additionalHeaders>
\ No newline at end of file