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/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>io.camunda</groupId>
    <artifactId>zeebe-parent</artifactId>
    <version>8.2.0-SNAPSHOT</version>
    <relativePath>../parent/pom.xml</relativePath>
  </parent>
  <artifactId>zeebe-gateway-protocol-impl</artifactId>
  <packaging>jar</packaging>
  <name>Zeebe Gateway Protocol Implementation</name>

  <licenses>
    <license>
      <name>Apache License, Version 2.0</name>
      <url>http://www.apache.org/licenses/LICENSE-2.0</url>
    </license>
  </licenses>

  <properties>
    <version.java>8</version.java>
    <license.header>com/mycila/maven/plugin/license/templates/APACHE-2.txt</license.header>
    <proto.dir>${maven.multiModuleProjectDirectory}/gateway-protocol/src/main/proto</proto.dir>
  </properties>

  <dependencies>
    <!-- required to guarantee the protocol is processed earlier during the build -->
    <dependency>
      <groupId>io.camunda</groupId>
      <artifactId>zeebe-gateway-protocol</artifactId>
      <scope>provided</scope>
    </dependency>

    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-api</artifactId>
    </dependency>

    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-protobuf</artifactId>
    </dependency>

    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-stub</artifactId>
    </dependency>

    <dependency>
      <groupId>com.google.guava</groupId>
      <artifactId>guava</artifactId>
    </dependency>

    <dependency>
      <groupId>com.google.protobuf</groupId>
      <artifactId>protobuf-java</artifactId>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <!-- generate Java protobuf code -->
      <plugin>
        <groupId>org.xolstice.maven.plugins</groupId>
        <artifactId>protobuf-maven-plugin</artifactId>
        <configuration>
          <protoSourceRoot>${proto.dir}</protoSourceRoot>
        </configuration>
      </plugin>
    </plugins>
  </build>

  <profiles>
    <!-- profile to generate Golang protobuf code -->
    <profile>
      <id>golang</id>
      <build>
        <plugins>
          <plugin>
            <groupId>org.xolstice.maven.plugins</groupId>
            <artifactId>protobuf-maven-plugin</artifactId>
            <executions>
              <execution>
                <goals>
                  <goal>compile-custom</goal>
                </goals>
                <configuration>
                  <pluginId>go</pluginId>
                  <pluginExecutable>${env.GOPATH}/bin/protoc-gen-go</pluginExecutable>
                  <pluginParameter>plugins=grpc</pluginParameter>

                </configuration>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-antrun-plugin</artifactId>
            <executions>
              <execution>
                <id>copy-golang-proto</id>
                <goals>
                  <goal>run</goal>
                </goals>
                <phase>generate-sources</phase>
                <configuration>
                  <target>
                    <copy failonerror="true" file="${project.build.directory}/generated-sources/protobuf/go/gateway.pb.go" tofile="${maven.multiModuleProjectDirectory}/clients/go/pkg/pb/gateway.pb.go"></copy>
                  </target>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>

</project>