build.gradle

plugins {
    // id 'java'
    id 'application'
    // For protobuf-based codegen integrated with the Gradle build
    // system, you can use protobuf-gradle-plugin
    id 'com.google.protobuf' version '0.8.8'
}

repositories {
    maven { // The google mirror is less flaky than mavenCentral()
            url "https://maven-central.storage-download.googleapis.com/repos/central/data/" }
    mavenCentral()
    mavenLocal()
    jcenter() // mockito
}

sourceCompatibility = 1.8
targetCompatibility = 1.8

// safely updating the version
def grpcVersion = '1.28.0' // CURRENT_GRPC_VERSION
def protobufVersion = '3.11.0'
def protocVersion = protobufVersion

dependencies {
    // JARS for Gradle with non-Android
    // gRPC-Java - An RPC library and framework
    implementation "io.grpc:grpc-protobuf:${grpcVersion}"
    implementation "io.grpc:grpc-stub:${grpcVersion}"
    compileOnly "javax.annotation:javax.annotation-api:1.2"
    // examples/advanced need this for JsonFormat; yo no lo necesito ¿?
    implementation "com.google.protobuf:protobuf-java-util:${protobufVersion}"

    runtimeOnly "io.grpc:grpc-netty-shaded:${grpcVersion}"

    testImplementation "io.grpc:grpc-testing:${grpcVersion}"
    testImplementation "junit:junit:4.12"
    //compile 'com.google.protobuf:protobuf-java:3.10.0'
    testCompile "org.mockito:mockito-core:2.+"
}

protobuf {
    protoc { artifact = "com.google.protobuf:protoc:${protocVersion}" }
    plugins {
        grpc { artifact = "io.grpc:protoc-gen-grpc-java:${grpcVersion}" }
    }
    generateProtoTasks {
        all()*.plugins { grpc {} }
    }
}

// Inform IDEs like IntelliJ IDEA, Eclipse or NetBeans about the generated code.
sourceSets {
    main {
        java {
            srcDirs 'build/generated/source/proto/main/grpc'
            srcDirs 'build/generated/source/proto/main/java'
        }
    }
}

// application {
//    mainClassName = 'ricksy.business.RicksyBusiness'
//}

// Si comento applicarion mainClassName:
// A problem was found with the configuration of task ':startScripts' (type 'CreateStartScripts').
// No value has been specified for property 'mainClassName'.

startScripts.enabled = false

task UfosParkServer(type: CreateStartScripts) {
    mainClassName = 'org.elsmancs.grpc.ufos.UfosParkServer'
    applicationName = 'ufos-park-server'
    outputDir = new File(project.buildDir, 'tmp')
    classpath = startScripts.classpath
}

task UfosParkClient(type: CreateStartScripts) {
    mainClassName = 'org.elsmancs.grpc.ufos.UfosParkClient'
    applicationName = 'ufos-park-client'
    outputDir = new File(project.buildDir, 'tmp')
    classpath = startScripts.classpath
}

task PaymentServer(type: CreateStartScripts) {
    mainClassName = 'org.elsmancs.grpc.payment.PaymentServer'
    applicationName = 'payment-server'
    outputDir = new File(project.buildDir, 'tmp')
    classpath = startScripts.classpath
}

task PaymentClient(type: CreateStartScripts) {
    mainClassName = 'org.elsmancs.grpc.payment.PaymentClient'
    applicationName = 'payment-client'
    outputDir = new File(project.buildDir, 'tmp')
    classpath = startScripts.classpath
}

task CrystalServer(type: CreateStartScripts) {
    mainClassName = 'org.elsmancs.grpc.crystal.CrystalServer'
    applicationName = 'crystal-dispenser-server'
    outputDir = new File(project.buildDir, 'tmp')
    classpath = startScripts.classpath
}

task CrystalClient(type: CreateStartScripts) {
    mainClassName = 'org.elsmancs.grpc.crystal.CrystalClient'
    applicationName = 'crystal-dispenser-client'
    outputDir = new File(project.buildDir, 'tmp')
    classpath = startScripts.classpath
}

task App(type: CreateStartScripts) {
    mainClassName = 'org.elsmancs.grpc.App'
    applicationName = 'app'
    outputDir = new File(project.buildDir, 'tmp')
    classpath = startScripts.classpath
}

applicationDistribution.into('bin') {
    from(UfosParkServer)
    from(UfosParkClient)
    from(PaymentServer)
    from(PaymentClient)
    from(CrystalServer)
    from(CrystalClient)
    from(App)
    fileMode = 0755
}