pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.google.protobuf</groupId>
    <artifactId>protobuf-parent</artifactId>
    <version>3.9.1</version>
  </parent>

  <artifactId>protobuf-java</artifactId>
  <packaging>bundle</packaging>

  <name>Protocol Buffers [Core]</name>
  <description>
    Core Protocol Buffers library. Protocol Buffers are a way of encoding structured data in an
    efficient yet extensible format.
  </description>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.easymock</groupId>
      <artifactId>easymock</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.easymock</groupId>
      <artifactId>easymockclassextension</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.google.guava</groupId>
      <artifactId>guava</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
    <!-- Include core protos in the bundle as resources -->
    <resources>
      <resource>
        <directory>${protobuf.source.dir}</directory>
        <includes>
          <include>google/protobuf/any.proto</include>
          <include>google/protobuf/api.proto</include>
          <include>google/protobuf/descriptor.proto</include>
          <include>google/protobuf/duration.proto</include>
          <include>google/protobuf/empty.proto</include>
          <include>google/protobuf/field_mask.proto</include>
          <include>google/protobuf/source_context.proto</include>
          <include>google/protobuf/struct.proto</include>
          <include>google/protobuf/timestamp.proto</include>
          <include>google/protobuf/type.proto</include>
          <include>google/protobuf/wrappers.proto</include>
          <include>google/protobuf/compiler/plugin.proto</include>
        </includes>
      </resource>
    </resources>
    <testResources>
      <testResource>
        <directory>${protobuf.source.dir}</directory>
        <includes>
          <include>google/protobuf/testdata/golden_message_oneof_implemented</include>
          <include>google/protobuf/testdata/golden_packed_fields_message</include>
        </includes>
      </testResource>
    </testResources>

    <plugins>
      <!-- Use Antrun plugin to generate sources with protoc -->
      <plugin>
        <artifactId>maven-antrun-plugin</artifactId>
        <executions>
          <!-- Generate core protos -->
          <execution>
            <id>generate-sources</id>
            <phase>generate-sources</phase>
            <configuration>
              <target>
                <ant antfile="generate-sources-build.xml"/>
              </target>
            </configuration>
            <goals>
              <goal>run</goal>
            </goals>
          </execution>

          <!-- Generate the test protos -->
          <execution>
            <id>generate-test-sources</id>
            <phase>generate-test-sources</phase>
            <configuration>
              <target>
                <ant antfile="generate-test-sources-build.xml"/>
              </target>
            </configuration>
            <goals>
              <goal>run</goal>
            </goals>
          </execution>
        </executions>
      </plugin>

      <!-- Add the generated sources to the build -->
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>build-helper-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>add-generated-sources</id>
            <phase>generate-sources</phase>
            <goals>
              <goal>add-source</goal>
            </goals>
            <configuration>
              <sources>
                <source>${generated.sources.dir}</source>
              </sources>
            </configuration>
          </execution>
          <execution>
            <id>add-generated-test-sources</id>
            <phase>generate-test-sources</phase>
            <goals>
              <goal>add-test-source</goal>
            </goals>
            <configuration>
              <sources>
                <source>${generated.testsources.dir}</source>
              </sources>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <!-- OSGI bundle configuration -->
      <plugin>
        <groupId>org.apache.felix</groupId>
        <artifactId>maven-bundle-plugin</artifactId>
        <extensions>true</extensions>
        <configuration>
          <instructions>
            <Bundle-DocURL>https://developers.google.com/protocol-buffers/</Bundle-DocURL>
            <Bundle-SymbolicName>com.google.protobuf</Bundle-SymbolicName>
            <Export-Package>com.google.protobuf;version=${project.version}</Export-Package>
            <Import-Package>sun.misc;resolution:=optional,*</Import-Package>
          </instructions>
        </configuration>
      </plugin>
    </plugins>
  </build>

</project>