<?xml version="1.0" encoding="UTF-8"?>
<!--

    Copyright 2013-2020 The OpenZipkin Authors

    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">
  <modelVersion>4.0.0</modelVersion>

  <groupId>io.zipkin.brave</groupId>
  <artifactId>brave-parent</artifactId>
  <version>5.12.6</version>
  <packaging>pom</packaging>

  <name>Brave (parent)</name>
  <description>
    Java distributed tracing implementation compatible with Zipkin backend services.
  </description>
  <url>https://github.com/openzipkin/brave</url>
  <inceptionYear>2013</inceptionYear>

  <organization>
    <name>OpenZipkin</name>
    <url>https://zipkin.io/</url>
  </organization>

  <licenses>
    <license>
      <name>The Apache Software License, Version 2.0</name>
      <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
      <distribution>repo</distribution>
    </license>
  </licenses>

  <scm>
    <url>https://github.com/openzipkin/brave</url>
    <connection>scm:git:https://github.com/openzipkin/brave.git</connection>
    <developerConnection>scm:git:https://github.com/openzipkin/brave.git</developerConnection>
    <tag>5.12.6</tag>
  </scm>

  <!-- Developer section is needed for Maven Central, but doesn't need to include each person -->
  <developers>
    <developer>
      <id>openzipkin</id>
      <name>OpenZipkin Gitter</name>
      <url>https://gitter.im/openzipkin/zipkin</url>
    </developer>
  </developers>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.build.resourceEncoding>UTF-8</project.build.resourceEncoding>
    <project.build.outputEncoding>UTF-8</project.build.outputEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <main.basedir>${project.basedir}</main.basedir>

    <!-- default bytecode version for src/main -->
    <main.java.version>1.7</main.java.version>
    <main.signature.artifact>java17</main.signature.artifact>

    <!-- default bytecode version for src/test -->
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>

    <!-- override to set exclusions per-project -->
    <errorprone.args />
    <errorprone.version>2.4.0</errorprone.version>

    <!-- use the same values in bom/pom.xml -->
    <zipkin.version>2.21.7</zipkin.version>
    <zipkin-reporter.version>2.15.2</zipkin-reporter.version>

    <!-- Ensure older versions of spring still work -->
    <spring5.version>5.2.7.RELEASE</spring5.version>
    <spring.version>3.2.18.RELEASE</spring.version>

    <!-- Apis used, but not in Jetty 7.6* imply duplication in servlet25 test fixtures -->
    <!-- prefer sparkjava's jetty to reduce downloads -->
    <jetty.version>9.4.30.v20200611</jetty.version>
    <jetty-servlet25.version>7.6.21.v20160908</jetty-servlet25.version>
    <!-- Note: 3.1.x requires Java 8; 3.0.20.Final is broken -->
    <resteasy.version>3.12.1.Final</resteasy.version>

    <kafka.version>2.5.0</kafka.version>
    <!-- must align with kafka version https://github.com/charithe/kafka-junit -->
    <kafka-junit.version>4.1.9</kafka-junit.version>
    <activemq.version>5.16.0</activemq.version>
    <spring-rabbit.version>2.2.8.RELEASE</spring-rabbit.version>

    <finagle.version>20.6.0</finagle.version>
    <log4j.version>2.13.3</log4j.version>
    <okhttp.version>4.7.2</okhttp.version>
    <httpclient.version>4.5.12</httpclient.version>

    <grpc.version>1.30.2</grpc.version>
    <!-- prefer grpc's version of netty -->
    <netty.version>4.1.48.Final</netty.version>

    <sparkjava.version>2.9.2</sparkjava.version>
    <junit.version>4.13</junit.version>
    <assertj.version>3.16.1</assertj.version>
    <powermock.version>2.0.7</powermock.version>
    <mockito.version>3.3.3</mockito.version>
    <jersey.version>2.31</jersey.version>
    <jmh.version>1.23</jmh.version>
    <testcontainers.version>1.14.3</testcontainers.version>

    <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
    <maven-install-plugin.version>3.0.0-M1</maven-install-plugin.version>
    <maven-deploy-plugin.version>3.0.0-M1</maven-deploy-plugin.version>
    <maven-release-plugin.version>3.0.0-M1</maven-release-plugin.version>
    <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
    <maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>
    <maven-jar-plugin.version>3.2.0</maven-jar-plugin.version>
    <maven-shade-plugin.version>3.2.4</maven-shade-plugin.version>
    <!-- 3.0.0-M5 breaks running brave-tests ITRemoteTest.tracer_includesClassName:26
          NoClassDefFound brave/propagation/CurrentTraceContext$Builder -->
    <maven-failsafe-plugin.version>3.0.0-M4</maven-failsafe-plugin.version>
    <maven-invoker-plugin.version>3.2.1</maven-invoker-plugin.version>
    <maven-enforcer-plugin.version>3.0.0-M3</maven-enforcer-plugin.version>
    <maven-bundle-plugin.version>5.1.1</maven-bundle-plugin.version>
    <license-maven-plugin.version>3.0</license-maven-plugin.version>
  </properties>

  <modules>
    <module>brave</module>
    <module>brave-bom</module>
    <module>brave-tests</module>
    <module>context</module>
    <module>instrumentation</module>
    <module>spring-beans</module>
  </modules>

  <distributionManagement>
    <repository>
      <id>bintray</id>
      <url>https://api.bintray.com/maven/openzipkin/maven/brave/;publish=1</url>
    </repository>
    <snapshotRepository>
      <id>jfrog-snapshots</id>
      <url>https://oss.jfrog.org/artifactory/oss-snapshot-local</url>
    </snapshotRepository>
  </distributionManagement>

  <issueManagement>
    <system>Github</system>
    <url>https://github.com/openzipkin/brave/issues</url>
  </issueManagement>

  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave-context-log4j2</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave-instrumentation-http</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave-instrumentation-http-tests</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave-instrumentation-messaging</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave-instrumentation-rpc</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave-instrumentation-servlet</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>${project.groupId}</groupId>
        <artifactId>brave-tests</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>io.zipkin.zipkin2</groupId>
        <artifactId>zipkin</artifactId>
        <version>${zipkin.version}</version>
      </dependency>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>${spring.version}</version>
      </dependency>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>${spring.version}</version>
      </dependency>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
      </dependency>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${spring.version}</version>
      </dependency>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>${spring.version}</version>
      </dependency>
      <!-- The httpcomponents group do not share versions within it -->
      <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpcore</artifactId>
        <version>4.4.13</version>
      </dependency>
      <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>${httpclient.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient-cache</artifactId>
        <version>${httpclient.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpasyncclient</artifactId>
        <version>4.1.4</version>
      </dependency>
      <dependency>
        <groupId>org.jboss.resteasy</groupId>
        <artifactId>resteasy-client</artifactId>
        <version>${resteasy.version}</version>
      </dependency>
      <dependency>
        <groupId>org.jboss.resteasy</groupId>
        <artifactId>resteasy-spring</artifactId>
        <version>${resteasy.version}</version>
      </dependency>
      <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.7.30</version>
      </dependency>
      <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-core</artifactId>
        <version>${log4j.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-jul</artifactId>
        <version>${log4j.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-slf4j-impl</artifactId>
        <version>${log4j.version}</version>
        <exclusions>
          <exclusion>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
      <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-1.2-api</artifactId>
        <version>${log4j.version}</version>
      </dependency>
      <dependency>
        <groupId>com.squareup.okhttp3</groupId>
        <artifactId>okhttp</artifactId>
        <version>${okhttp.version}</version>
      </dependency>
      <dependency>
        <groupId>com.squareup.okhttp3</groupId>
        <artifactId>mockwebserver</artifactId>
        <version>${okhttp.version}</version>
      </dependency>
      <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>${junit.version}</version>
      </dependency>
      <dependency>
        <groupId>org.assertj</groupId>
        <artifactId>assertj-core</artifactId>
        <version>${assertj.version}</version>
      </dependency>
      <dependency>
        <groupId>javax.ws.rs</groupId>
        <artifactId>javax.ws.rs-api</artifactId>
        <version>2.0.1</version>
      </dependency>
      <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
        <version>2.3.0</version>
      </dependency>
      <dependency>
        <groupId>javax.annotation</groupId>
        <artifactId>javax.annotation-api</artifactId>
        <version>1.3.2</version>
      </dependency>
      <dependency>
        <groupId>org.mockito</groupId>
        <artifactId>mockito-core</artifactId>
        <version>${mockito.version}</version>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.assertj</groupId>
      <artifactId>assertj-core</artifactId>
      <scope>test</scope>
    </dependency>
    <!-- Main code uses jul and tests log with log4j -->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-core</artifactId>
      <scope>test</scope>
    </dependency>
    <!-- route jul over log4j2 during tests -->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-jul</artifactId>
      <scope>test</scope>
    </dependency>
    <!-- route log4j over log4j2 during tests -->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-1.2-api</artifactId>
      <scope>test</scope>
    </dependency>
    <!-- route slf4j over log4j2 during tests -->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-slf4j-impl</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.mockito</groupId>
      <artifactId>mockito-core</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
    <pluginManagement>
      <plugins>
        <!-- mvn -N io.takari:maven:wrapper generates the ./mvnw script -->
        <plugin>
          <groupId>io.takari</groupId>
          <artifactId>maven</artifactId>
          <version>0.7.7</version>
          <configuration>
            <maven>3.6.3</maven>
          </configuration>
        </plugin>

        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>${maven-compiler-plugin.version}</version>
          <inherited>true</inherited>
          <configuration>
            <!-- Retrolambda will rewrite lambdas as Java 6 bytecode -->
            <source>1.8</source>
            <target>1.8</target>
            <!-- or die! com.sun.tools.javac.api.JavacTool -->
            <fork>true</fork>
            <showWarnings>true</showWarnings>
          </configuration>
        </plugin>

        <plugin>
          <artifactId>maven-jar-plugin</artifactId>
          <version>${maven-jar-plugin.version}</version>
          <configuration>
            <archive>
              <!-- prevents huge pom file from also being added to the jar under META-INF/maven -->
              <addMavenDescriptor>false</addMavenDescriptor>
            </archive>
          </configuration>
        </plugin>

        <plugin>
          <artifactId>maven-shade-plugin</artifactId>
          <version>${maven-shade-plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.eclipse.m2e</groupId>
          <artifactId>lifecycle-mapping</artifactId>
          <version>1.0.0</version>
          <configuration>
            <lifecycleMappingMetadata>
              <pluginExecutions>
                <pluginExecution>
                  <pluginExecutionFilter>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <versionRange>[3.7,)</versionRange>
                    <goals>
                      <goal>compile</goal>
                      <goal>testCompile</goal>
                    </goals>
                  </pluginExecutionFilter>
                  <action>
                    <configurator>
                      <id>org.eclipse.m2e.jdt.javaConfigurator</id>
                    </configurator>
                  </action>
                </pluginExecution>
              </pluginExecutions>
            </lifecycleMappingMetadata>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-invoker-plugin</artifactId>
          <version>${maven-invoker-plugin.version}</version>
          <configuration>
            <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
            <settingsFile>${main.basedir}/src/it/settings.xml</settingsFile>
            <profiles>
              <profile>!release</profile>
            </profiles>
            <useLocalRepository>true</useLocalRepository>
            <localRepositoryPath>${project.build.directory}/local-repo</localRepositoryPath>
            <postBuildHookScript>verify</postBuildHookScript>
            <addTestClassPath>true</addTestClassPath>
            <skipInvocation>${skipTests}</skipInvocation>
            <streamLogs>true</streamLogs>
            <mavenOpts>-Dorg.slf4j.simpleLogger.defaultLogLevel=WARN</mavenOpts>
          </configuration>
          <executions>
            <execution>
              <goals>
                <goal>install</goal>
                <goal>run</goal>
              </goals>
            </execution>
          </executions>
        </plugin>
        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>animal-sniffer-maven-plugin</artifactId>
          <version>1.18</version>
        </plugin>
      </plugins>
    </pluginManagement>
    <resources>
      <resource>
        <filtering>false</filtering>
        <directory>src/main/resources</directory>
      </resource>
      <resource>
        <filtering>false</filtering>
        <directory>src/main/java</directory>
        <includes>
          <include>**</include>
        </includes>
        <excludes>
          <exclude>**/*.java</exclude>
        </excludes>
      </resource>
      <!-- This adds the LICENSE and NOTICE file to the jar and -sources jar of each module -->
      <resource>
        <filtering>false</filtering>
        <directory>${main.basedir}</directory>
        <targetPath>META-INF/</targetPath>
        <includes>
          <include>LICENSE</include>
          <include>NOTICE</include>
        </includes>
      </resource>
    </resources>
    <testResources>
      <testResource>
        <filtering>false</filtering>
        <directory>src/test/java</directory>
        <includes>
          <include>**</include>
        </includes>
        <excludes>
          <exclude>**/*.java</exclude>
        </excludes>
      </testResource>
      <testResource>
        <filtering>false</filtering>
        <directory>src/test/resources</directory>
      </testResource>
    </testResources>
    <plugins>
      <plugin>
        <groupId>net.orfjackal.retrolambda</groupId>
        <artifactId>retrolambda-maven-plugin</artifactId>
        <version>2.5.7</version>
        <executions>
          <execution>
            <goals>
              <goal>process-main</goal>
            </goals>
            <configuration>
              <target>${main.java.version}</target>
              <fork>true</fork>
              <quiet>true</quiet>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>animal-sniffer-maven-plugin</artifactId>
        <configuration>
          <signature>
            <groupId>org.codehaus.mojo.signature</groupId>
            <artifactId>${main.signature.artifact}</artifactId>
            <version>1.0</version>
          </signature>
        </configuration>
        <executions>
          <execution>
            <goals>
              <goal>check</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>${maven-failsafe-plugin.version}</version>
        <configuration>
          <systemPropertyVariables>
            <java.util.logging.manager>org.apache.logging.log4j.jul.LogManager
            </java.util.logging.manager>
          </systemPropertyVariables>
          <!-- Ensure scope leak cause ends up in the console -->
          <trimStackTrace>false</trimStackTrace>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-failsafe-plugin</artifactId>
        <version>${maven-failsafe-plugin.version}</version>
        <configuration>
          <!-- Try to prevent flakes in CI -->
          <reuseForks>false</reuseForks>
          <systemPropertyVariables>
            <java.util.logging.manager>org.apache.logging.log4j.jul.LogManager
            </java.util.logging.manager>
          </systemPropertyVariables>
          <!-- Ensure scope leak cause ends up in the console -->
          <trimStackTrace>false</trimStackTrace>
        </configuration>
        <executions>
          <execution>
            <id>integration-test</id>
            <phase>verify</phase>
            <goals>
              <goal>integration-test</goal>
              <goal>verify</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-eclipse-plugin</artifactId>
        <version>2.10</version>
        <configuration>
          <downloadSources>true</downloadSources>
          <downloadJavadocs>true</downloadJavadocs>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-install-plugin</artifactId>
        <version>${maven-install-plugin.version}</version>
      </plugin>
      <!-- Uploads occur as a last step (which also adds checksums) -->
      <plugin>
        <artifactId>maven-deploy-plugin</artifactId>
        <version>${maven-deploy-plugin.version}</version>
      </plugin>
      <plugin>
        <artifactId>maven-release-plugin</artifactId>
        <version>${maven-release-plugin.version}</version>
        <configuration>
          <useReleaseProfile>false</useReleaseProfile>
          <releaseProfiles>release</releaseProfiles>
          <autoVersionSubmodules>true</autoVersionSubmodules>
          <!-- to match zipkin-scala (openzipkin/zipkin) -->
          <tagNameFormat>@{project.version}</tagNameFormat>
        </configuration>
      </plugin>

      <plugin>
        <groupId>io.zipkin.centralsync-maven-plugin</groupId>
        <artifactId>centralsync-maven-plugin</artifactId>
        <version>0.1.1</version>
        <configuration>
          <packageName>brave</packageName>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-enforcer-plugin</artifactId>
        <version>${maven-enforcer-plugin.version}</version>
        <executions>
          <execution>
            <id>enforce-java</id>
            <goals>
              <goal>enforce</goal>
            </goals>
            <configuration>
              <rules>
                <requireJavaVersion>
                  <version>[11,15)</version>
                </requireJavaVersion>
              </rules>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>com.mycila</groupId>
        <artifactId>license-maven-plugin</artifactId>
        <version>${license-maven-plugin.version}</version>
        <configuration>
          <header>${main.basedir}/src/etc/header.txt</header>
          <mapping>
            <!-- Don't use javadoc style as this makes code formatters break it by adding tags! -->
            <java>SLASHSTAR_STYLE</java>
          </mapping>
          <excludes>
            <exclude>.travis.yml</exclude>
            <exclude>.editorconfig</exclude>
            <exclude>.gitattributes</exclude>
            <exclude>.gitignore</exclude>
            <exclude>.mailmap</exclude>
            <exclude>.mvn/**</exclude>
            <exclude>mvnw*</exclude>
            <exclude>etc/header.txt</exclude>
            <exclude>**/.idea/**</exclude>
            <exclude>**/.editorconfig</exclude>
            <exclude>**/log4j2.properties</exclude>
            <exclude>LICENSE</exclude>
            <exclude>NOTICE</exclude>
            <exclude>**/*.md</exclude>
            <exclude>**/*.bnd</exclude>
            <exclude>**/com.alibaba.dubbo.rpc.Filter</exclude>
            <exclude>src/test/resources/**</exclude>
            <exclude>src/test/proto/**</exclude>
          </excludes>
          <strictCheck>true</strictCheck>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>com.mycila</groupId>
            <artifactId>license-maven-plugin-git</artifactId>
            <version>${license-maven-plugin.version}</version>
          </dependency>
        </dependencies>
        <executions>
          <execution>
            <goals>
              <goal>check</goal>
            </goals>
            <phase>compile</phase>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

  <profiles>
    <profile>
      <id>error-prone</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <executions>
              <execution>
                <!-- only use errorprone on main source tree -->
                <id>default-compile</id>
                <phase>compile</phase>
                <goals>
                  <goal>compile</goal>
                </goals>
                <configuration>
                  <forceJavacCompilerUse>true</forceJavacCompilerUse>
                  <compilerArgs>
                    <arg>-XDcompilePolicy=simple</arg>
                    <arg>-Xplugin:ErrorProne ${errorprone.args}</arg>
                  </compilerArgs>
                  <annotationProcessorPaths>
                    <processorPath>
                      <groupId>com.google.errorprone</groupId>
                      <artifactId>error_prone_core</artifactId>
                      <version>${errorprone.version}</version>
                    </processorPath>
                  </annotationProcessorPaths>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
    <profile>
      <id>release</id>
      <build>
        <plugins>
          <!-- Creates source jar -->
          <plugin>
            <artifactId>maven-source-plugin</artifactId>
            <version>${maven-source-plugin.version}</version>
            <executions>
              <execution>
                <id>attach-sources</id>
                <goals>
                  <goal>jar</goal>
                </goals>
              </execution>
            </executions>
          </plugin>

          <!-- Creates javadoc jar, skipping internal classes -->
          <plugin>
            <artifactId>maven-javadoc-plugin</artifactId>
            <version>${maven-javadoc-plugin.version}</version>
            <configuration>
              <sourceFileExcludes>
                <exclude>**/internal/*.java</exclude>
                <exclude>**/Internal*.java</exclude>
              </sourceFileExcludes>
              <excludePackageNames>*.internal.*</excludePackageNames>
              <failOnError>false</failOnError>
              <!-- hush pedantic warnings: we don't put param and return on everything! -->
              <doclint>none</doclint>
              <!-- While we publish modules, our source is pre-Java9 so tell javadoc that. -->
              <source>8</source>
            </configuration>
            <executions>
              <execution>
                <id>attach-javadocs</id>
                <goals>
                  <goal>jar</goal>
                </goals>
                <phase>package</phase>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
    <profile>
      <id>module-info</id>
      <!-- Build profiles can only consider static properties, such as files or ENV variables.
           To conditionally add module information, we use existence of bnd.bnd. This allows
           irrelevant packages such as tests and benchmarks to quietly opt-out.
           http://maven.apache.org/guides/introduction/introduction-to-profiles.html -->
      <activation>
        <file>
          <exists>bnd.bnd</exists>
        </file>
      </activation>
      <build>
        <plugins>
          <!-- OSGi and Java Modules configuration -->
          <plugin>
            <groupId>org.apache.felix</groupId>
            <artifactId>maven-bundle-plugin</artifactId>
            <version>${maven-bundle-plugin.version}</version>
            <configuration>
              <obrRepository>NONE</obrRepository>
              <instructions>
                <_include>-bnd.bnd</_include>
              </instructions>
            </configuration>
            <executions>
              <execution>
                <phase>process-classes</phase>
                <goals>
                  <goal>manifest</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-jar-plugin</artifactId>
            <executions>
              <execution>
                <id>default-jar</id>
                <configuration>
                  <archive>
                    <!-- Include the MANIFEST.MF maven-bundle-plugin generates from bnd.bnd -->
                    <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
                    <manifestEntries>
                      <Automatic-Module-Name>${module.name}</Automatic-Module-Name>
                    </manifestEntries>
                  </archive>
                </configuration>
                <goals>
                  <goal>jar</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
    <profile>
      <id>sonatype</id>
      <distributionManagement>
        <repository>
          <id>sonatype</id>
          <url>https://oss.sonatype.org/service/local/staging/deploy/maven2</url>
        </repository>
      </distributionManagement>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-gpg-plugin</artifactId>
            <version>1.6</version>
            <executions>
              <execution>
                <id>sign-release-artifacts</id>
                <goals>
                  <goal>sign</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>
</project>
