Example Java Protobuf Build

build.gradle

plugins {
  id "com.google.protobuf" version "0.8.12"
  id "java"
  id "idea"
}

sourceSets{
  main {
    java {
      srcDir 'src/main/java'
      srcDir 'src/generated/main/java'
      srcDir 'src/generated/main/grpc'
    }
    proto {
      srcDir 'src/main/proto'
      include '**/*.proto'
    }
  }
}

protobuf {
  generatedFilesBaseDir="$projectDir/src/generated"
  protoc {
    artifact='com.google.protobuf:protoc:3.0.0'
  }
  plugins {
    grpc {
      artifact = 'io.grpc:protoc-gen-grpc-java:1.29.0'
    }
  }
  generateProtoTasks {
    all().each{ task ->
      task.builtins {
        //go {}
      }
      task.plugins {
        grpc{}
      }
    }
  }
}

repositories {
  mavenCentral()
}

dependencies {
  compile 'com.google.protobuf:protobuf-java:3.0.0'
  compile "io.grpc:grpc-protobuf:1.29.0"
  compile "io.grpc:grpc-stub:1.29.0"
  runtimeOnly "io.grpc:grpc-netty-shaded:1.29.0"
  compileOnly "org.apache.tomcat:annotations-api:6.0.53"
}

//protoc -I todo/src/main/proto --proto_path=todo/src --go_out=plugins=grpc:$f/todo todo.proto