build.gradle

buildscript {
  repositories {
    mavenCentral()
    mavenLocal()
  }
  dependencies {
    classpath 'com.google.gradle:osdetector-gradle-plugin:1.3.0'
  }
}

subprojects {
    apply plugin: "checkstyle"
    apply plugin: "java"
    apply plugin: "maven"
    apply plugin: "idea"
    apply plugin: "osdetector"
    apply plugin: "signing"
    apply plugin: "jacoco"

    group = "io.grpc"
    version = "0.9.0-SNAPSHOT"

    sourceCompatibility = 1.6
    targetCompatibility = 1.6

    repositories {
        mavenCentral()
        mavenLocal()
    }


    [compileJava, compileTestJava].each() {
        it.options.compilerArgs += ["-Xlint:unchecked", "-Xlint:deprecation", "-Xlint:-options"]
        it.options.encoding = "UTF-8"
    }

    jar.manifest {
        attributes('Implementation-Title': name,
                'Implementation-Version': version,
                'Built-By': System.getProperty('user.name'),
                'Built-JDK': System.getProperty('java.version'),
                'Source-Compatibility': sourceCompatibility,
                'Target-Compatibility': targetCompatibility)
    }

    javadoc.options {
        encoding = 'UTF-8'
        links 'https://docs.oracle.com/javase/8/docs/api/'
    }

    ext {
        def exeSuffix = osdetector.os == 'windows' ? ".exe" : ""
        protocPluginBaseName = 'protoc-gen-grpc-java'
        javaPluginPath = "$rootDir/compiler/build/binaries/java_pluginExecutable/$protocPluginBaseName$exeSuffix"

        protobufVersion = '3.0.0-beta-1'
        protobufNanoVersion = '3.0.0-alpha-4'

        configureProtoCompilation = {
          String generatedSourcePath = "${projectDir}/src/generated"
          if (rootProject.childProjects.containsKey('grpc-compiler')) {
            // Only when the codegen is built along with the project, will we be able to recompile
            // the proto files.
            project.apply plugin: 'com.google.protobuf'
            project.protobuf {
              protoc {
                if (project.hasProperty('protoc')) {
                  path = project.protoc
                } else {
                  artifact = "com.google.protobuf:protoc:${protobufVersion}"
                }
              }
              plugins {
                grpc {
                  path = javaPluginPath
                }
              }
              generateProtoTasks {
                all().each { task ->
                  task.dependsOn ':grpc-compiler:java_pluginExecutable'
                  // Delete the generated sources first, so that we can be alerted if they are not re-compiled.
                  task.dependsOn deleteGeneratedSource
                  // Recompile protos when the codegen has been changed
                  task.inputs.file javaPluginPath
                  // Recompile protos when build.gradle has been changed, because
                  // it's possible the version of protoc has been changed.
                  task.inputs.file "${rootProject.projectDir}/build.gradle"
                  task.plugins {
                    grpc {}
                  }
                }
              }
              generatedFilesBaseDir = generatedSourcePath
            }

            task deleteGeneratedSource << {
              project.delete project.fileTree(dir: generatedSourcePath)
            }
          } else {
            // Otherwise, we just use the checked-in generated code.
            project.sourceSets {
              main {
                java {
                  srcDir "${generatedSourcePath}/main/java"
                  srcDir "${generatedSourcePath}/main/grpc"
                }
              }
            }
          }
        }

        def tcnative_suffix = "";
        if (osdetector.classifier in ["linux-x86_64", "osx-x86_64", "windows-x86_64"]) {
            // The native code is only pre-compiled on certain platforms.
            tcnative_suffix = ":" + osdetector.classifier
            // Fedora variants use a different soname for OpenSSL than other linux distributions
            // (see http://netty.io/wiki/forked-tomcat-native.html). Netty-tcnative, however
            // assumes Fedora as the default "linux", while calling out "_debian" as a special
            // build for debian-based systems. This should be inverted in future releases of
            // netty-tcnative, but in the meantime we invert the logic manually here so that
            // "debian" is used as the default linux distribution.
            if (osdetector.os == "linux" && !osdetector.release.isLike("fedora")) {
                tcnative_suffix += "_debian";
            }
        }
        def epoll_suffix = "";
        if (osdetector.classifier in ["linux-x86_64"]) {
            // The native code is only pre-compiled on certain platforms.
            epoll_suffix = ":" + osdetector.classifier
        }
        libraries = [
                guava: 'com.google.guava:guava:18.0',
                // used to collect benchmark results
                hdrhistogram: 'org.hdrhistogram:HdrHistogram:2.1.4',
                hpack: 'com.twitter:hpack:0.10.1',
                jsonp: 'org.glassfish:javax.json:1.0.4',
                jsr305: 'com.google.code.findbugs:jsr305:3.0.0',
                oauth_client: 'com.google.auth:google-auth-library-oauth2-http:0.3.0',
                okhttp: 'com.squareup.okhttp:okhttp:2.4.0',
                protobuf: "com.google.protobuf:protobuf-java:${protobufVersion}",
                protobuf_nano: "com.google.protobuf.nano:protobuf-javanano:${protobufNanoVersion}",
                protobuf_plugin: 'com.google.protobuf:protobuf-gradle-plugin:0.7.0',

                netty: 'io.netty:netty-codec-http2:4.1.0.Beta6',
                netty_tcnative: 'io.netty:netty-tcnative:1.1.33.Fork6' + tcnative_suffix,
                netty_transport_native_epoll: 'io.netty:netty-transport-native-epoll:4.1.0.Beta6' + epoll_suffix,

                // Test dependencies.
                junit: 'junit:junit:4.11',
                mockito: 'org.mockito:mockito-core:1.10.19'
        ]

        // Determine the correct version of Jetty ALPN boot to use based
        // on the Java version.
        def alpnboot_version = '8.1.2.v20141202'
        if (JavaVersion.current().ordinal() < JavaVersion.VERSION_1_8.ordinal()) {
            alpnboot_version = '7.1.3.v20150130'
        }

        alpnboot_package_name = 'org.mortbay.jetty.alpn:alpn-boot:' + alpnboot_version
    }

    // Define a separate configuration for managing the dependency on Jetty alpnboot jar.
    configurations {
        alpnboot
        tcnative
    }

    dependencies {
        testCompile libraries.junit,
                    libraries.mockito

        // Configuration for modules that use Jetty ALPN
        alpnboot alpnboot_package_name

        // Configuration for modules that use Netty tcnative (for OpenSSL).
        tcnative libraries.netty_tcnative
    }

    signing {
        required false
        sign configurations.archives
    }

    // Disable JavaDoc doclint on Java 8. It's annoying.
    if (JavaVersion.current().isJava8Compatible()) {
      allprojects {
        tasks.withType(Javadoc) {
          options.addStringOption('Xdoclint:none', '-quiet')
        }
      }
    }

    checkstyle {
        configFile = file("$rootDir/checkstyle.xml")
        toolVersion = "6.5"
        ignoreFailures = false
        if (rootProject.hasProperty("checkstyle.ignoreFailures")) {
            ignoreFailures = rootProject.properties["checkstyle.ignoreFailures"].toBoolean()
        }
    }

    checkstyleMain {
        source = fileTree(dir: "src/main", include: "**/*.java")
    }

    checkstyleTest {
        source = fileTree(dir: "src/test", include: "**/*.java")
    }

    task javadocJar(type: Jar) {
        classifier = 'javadoc'
        from javadoc
    }

    task sourcesJar(type: Jar) {
        classifier = 'sources'
        from sourceSets.main.allSource
    }

    artifacts {
        archives javadocJar, sourcesJar
    }

    uploadArchives.repositories.mavenDeployer {
        beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
        String stagingUrl
        if (rootProject.hasProperty('repositoryId')) {
          stagingUrl = 'https://oss.sonatype.org/service/local/staging/deployByRepositoryId/' +
              rootProject.repositoryId
        } else {
          stagingUrl = 'https://oss.sonatype.org/service/local/staging/deploy/maven2/'
        }
        def configureAuth = {
          if (rootProject.hasProperty('ossrhUsername') && rootProject.hasProperty('ossrhPassword')) {
            authentication(userName: rootProject.ossrhUsername, password: rootProject.ossrhPassword)
          }
        }
        repository(url: stagingUrl, configureAuth)
        snapshotRepository(url: 'https://oss.sonatype.org/content/repositories/snapshots/', configureAuth)
    }

    [
      install.repositories.mavenInstaller,
      uploadArchives.repositories.mavenDeployer,
    ]*.pom*.whenConfigured { pom ->
        pom.project {
            name "$project.group:$project.name"
            description project.description
            url 'https://github.com/grpc/grpc-java'

            scm {
                connection 'scm:svn:https://github.com/grpc/grpc-java.git'
                developerConnection 'scm:svn:git@github.com:grpc/grpc-java.git'
                url 'https://github.com/grpc/grpc-java'
            }

            licenses {
                license {
                    name 'BSD 3-Clause'
                    url 'http://opensource.org/licenses/BSD-3-Clause'
                }
            }

            developers {
                developer {
                    id "grpc.io"
                    name "gRPC Contributors"
                    email "grpc-io@googlegroups.com"
                    url "http://grpc.io/"
                    // https://issues.gradle.org/browse/GRADLE-2719
                    organization = "Google, Inc."
                    organizationUrl "https://www.google.com"
                }
            }
        }
    }
    // At a test failure, log the stack trace to the console so that we don't
    // have to open the HTML in a browser.
    test {
        testLogging {
            exceptionFormat = 'full'
            showExceptions true
            showCauses true
            showStackTraces true
        }
    }
}