Groovy example source code file (assemble.gradle)

This example Groovy source code file (assemble.gradle) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

codehaus, date, file, file, groovy, groovy, import-package, jar, jar, linkedhashset, manifest, manifest, text, the, zip

The Groovy assemble.gradle source code

import java.util.jar.Manifest
import org.apache.commons.io.FileUtils
import org.apache.tools.ant.filters.ReplaceTokens
import org.apache.tools.ant.taskdefs.Replace
import java.text.SimpleDateFormat

apply plugin: 'osgi'

group = 'org.codehaus.groovy'
archivesBaseName = 'groovy'

allManifest = manifest {
    attributes("Built-By": System.properties['user.name'],
            "Extension-Name": 'groovy',
            "Specification-Title": 'Groovy: a powerful, dynamic language for the JVM',
            "Specification-Version": project.version,
            "Specification-Vendor": 'The Codehaus',
            "Implementation-Title": 'Groovy: a powerful, dynamic language for the JVM',
            "Implementation-Version": project.version,
            "Implementation-Vendor": 'The Codehaus',
            "Bundle-ManifestVersion": '2',
            "Bundle-Name": 'Groovy Runtime',
            "Bundle-Description": 'Groovy Runtime',
            "Bundle-Version": groovyBundleVersion,
            "Bundle-Vendor": 'The Codehaus',
            "Bundle-ClassPath": '.',
            "Bundle-RequiredExecutionEnvironment": 'J2SE-1.5',
            "Eclipse-BuddyPolicy": 'dependent',
            "Eclipse-LazyStart": 'true',
            "DynamicImport-Package": '*',
            "Main-class": 'groovy.ui.GroovyMain')
}

licenseSpec = copySpec {
    from "$projectDir/config/build"
    from(zipTree(configurations.compile.fileCollection { it.name.startsWith 'commons-cli' }.singleFile).matching {
        include 'META-INF/LICENSE.txt'
    }) {
        eachFile {details ->
            details.path = details.path - 'META-INF'
            details.name = "CLI-LICENSE.txt"
        }
    }
}

binaryJarsMetaInf = {
    Date buildTime = new Date()
    from "$projectDir/LICENSE.txt"
    from("$projectDir/src/main/META-INF/groovy-release-info.properties") {
        filter {String line ->
            ['##ImplementationVersion##': project.version, '##BundleVersion##': project.groovyBundleVersion,
                    '##BuildDate##': new SimpleDateFormat('dd-MMM-yyyy').format(buildTime),
                    '##BuildTime##': new SimpleDateFormat('hh:mm aa').format(buildTime)].each {key, value ->
                line = line.replace(key, value)
            }
            line
        }
    }
}

task copy(type: Copy) {
    into "$buildDir/meta"
    with licenseSpec
}

commonOsgiManifest = {
    // We exclude the Bnd-LastModified attribute as it always triggers a rebuild without being really needed.
    from(allManifest) {
        eachEntry {details ->
            if (details.key == 'Bnd-LastModified') {
                details.exclude()
            }
        }
    }
    version = groovyBundleVersion
    instruction '-nouses', 'true'
    instruction 'Export-Package', "*;version=${version}"
    classpath = sourceSets.main.runtimeClasspath
}

jar {
    metaInf binaryJarsMetaInf
    manifest = osgiManifest {
        symbolicName = 'groovy'
        instruction 'Import-Package', "antlr", "org.objectweb.asm", "*;resolution:=optional"
        classesDir = sourceSets.main.classesDir
    }
    manifest commonOsgiManifest
    exclude '**/package-info.class'
}

task jarAll(type: Jar, dependsOn: jar) {
    metaInfDir = "$buildDir/tmp/groovy-all-metainf"
    inputs.files jar.archivePath
    inputs.dir metaInfDir
    appendix = 'all'
    doLast {
        manifest.writeTo("$metaInfDir/MANIFEST.MF")
        copy {
            into "$buildDir/tmp/groovy-all-metainf"
            with licenseSpec
        }
        project.ant {
            taskdef name: "jarjar", classname: "com.tonicsystems.jarjar.JarJarTask", classpath: configurations.tools.asPath
            jarjar(jarfile: archivePath, manifest: "$metaInfDir/MANIFEST.MF") {
                zipfileset(dir: "$metaInfDir", prefix: 'META-INF')
                zipfileset(src: jar.archivePath)
                configurations.runtime.files.findAll {file ->
                    ['antlr', 'asm', 'commons-cli'].any { file.name.startsWith(it) } && ['asm-attr', 'asm-util', 'asm-analysis'].every { !file.name.startsWith(it) }
                }.each {jarjarFile ->
                    zipfileset(src: jarjarFile)
                }
                rule pattern: "antlr.**", result: "groovyjarjarantlr.@1"
                rule pattern: "org.objectweb.**", result: "groovyjarjarasm.@1"
                rule pattern: "org.apache.commons.cli.**", result: "groovyjarjarcommonscli.@1"
            }
        }
    }
    // We exclude the Bnd-LastModified attribute as it always triggers a rebuild without being really needed.
    manifest = osgiManifest {
        symbolicName = 'groovy-all'
        instruction 'Import-Package', "*;resolution:=optional"
        classesDir = jar.archivePath
    }
    manifest commonOsgiManifest
}

task sourceJar(type: Jar) {
    classifier = 'sources'
    //    from sourceSets.main.allSource
    from "$projectDir/src/main"
}

task sourceAllJar(type: Jar, dependsOn: sourceJar) {
    appendix = 'all'
    classifier = 'sources'
    with sourceJar.rootSpec
}

task javadocJar(type: Jar, dependsOn: javadoc) {
    classifier = 'javadoc'
    from javadoc.destinationDir
}

task javadocAllJar(type: Jar, dependsOn: javadocJar) {
    appendix = 'all'
    classifier = 'javadoc'
    with javadocJar.rootSpec
}


distSpec = copySpec {
    from("$projectDir") {
        include "LICENSE.txt", "NOTICE.txt"
    }
    into("lib") {
        from configurations.runtime.fileCollection {dep ->
            !(dep instanceof FileCollectionDependency) && !dep.name.startsWith('livetribe')
        }, jar.archivePath
    }
    into("conf") {
        from "src/conf"
    }
    into("bin") {
        from("src/bin") {
            filter(ReplaceTokens, tokens: [GROOVYJAR:jar.archiveName])
            fileMode = 0755
        }
        from("src/tools/org/codehaus/groovy/tools/groovy.ico")
    }
    into("embeddable") {
        from jarAll.archivePath
    }
}

task installGroovy(type: Sync, dependsOn: [jar, jarAll]) {
    from distSpec
    into System.properties.installDirectory ?: "$buildDir/install"
}

//task jars(dependsOn: tasks.withType(Jar))
//task dists(dependsOn: tasks.withType(Zip).matching {task -> !(task instanceof Jar)})

task distBin(type: Zip, dependsOn: [jar, jarAll]) {
    appendix = 'binary'
    into("groovy-$version") {
        with distSpec
        with licenseSpec
    }
}

task distDoc(type: Zip, dependsOn: doc) {
    appendix = 'docs'
    into("groovy-$version")
    into("pdf") {
        from 'src/wiki-snapshot.pdf'
    }
    into("html/api") {
        from javadoc.destinationDir
    }
    into("html/gapi") {
        from groovydoc.destinationDir
    }
    into("html/groovy-jdk") {
        from docGDK.destinationDir
    }
}

task distSrc(type: Zip, dependsOn: [javadoc, groovydoc, docGDK]) {
    appendix = 'src'
    into("groovy-$version")
    from(projectDir) {
        exclude 'target', buildDirName, 'classes/**', 'cruise/**', '.clover/*', 'local.build.properties',
                'cobertura.ser', 'junitvmwatcher*.properties'
    }
}

task compareArchives << {
    jarTasks = tasks.withType(Zip)
    jarTasks.each {jar ->
        File antJar = "$projectDir/target/dist/${jar.archivePath.name}" as File
        println "Comparing $jar.name with ant jar $antJar. Ant jar exists=${antJar.isFile()}"
        if (antJar.isFile()) {
            compare(jar.archiveName, jar.archivePath, antJar, true)
        }
    }
}

def compare(String name, File gradleJar, File antJar, boolean checkManifest) {
    def File diffDir = new File(buildDir, "diff/$name")
    ant.delete(dir: diffDir)
    def unzipGradle = new File(diffDir, "gradle")
    def unzipAnt = new File(diffDir, "ant")
    ant.unzip(src: gradleJar, dest: unzipGradle)
    ant.unzip(src: antJar, dest: unzipAnt)

    def antFiles = [:]
    def gradleFiles = [:]

    FileUtils.listFiles(unzipAnt, null, true).each {File file ->
        antFiles[file.absolutePath - unzipAnt.absolutePath] = file
    }
    FileUtils.listFiles(unzipGradle, null, true).each {File file ->
        gradleFiles[file.absolutePath - unzipGradle.absolutePath] = file
    }

    antFiles.each {key, value ->
        if (!gradleFiles[key]) {
            println "ant only: $key"
        } else if (checkManifest && key == '/META-INF/MANIFEST.MF') {
            Manifest manifestAnt = new Manifest(new FileInputStream(antFiles[key]))
            Manifest manifestGradle = new Manifest(new FileInputStream(gradleFiles[key]))
            if (!manifestAnt.equals(manifestGradle)) {
                def ant = manifestAnt.mainAttributes
                def gradle = manifestGradle.mainAttributes
                compareMap(ant, gradle)
            }
        }
        gradleFiles.remove(key)
    }

    gradleFiles.keySet().each {file ->
        println "gradle only: $file"
    }
}

def compareMap(Map ant, Map gradle) {
    (ant.keySet() + gradle.keySet()).each {attribute ->
        antValue = ant[attribute]
        gradleValue = gradle[attribute]
        if (!(['Ant-Version', 'Created-By', 'Bnd-LastModified', 'Tool', 'Originally-Created-By'].contains(attribute as String))) {
            if (antValue) {
                if (!gradleValue) {
                    println "$attribute: ant only"
                } else if (antValue != gradleValue) {
                    if (attribute.toString() == 'Export-Package' || attribute.toString() == 'Import-Package') {
                        def antOnly = antValue.split(',') as LinkedHashSet
                        def gradleOnly = gradleValue.split(',') as LinkedHashSet
                        antOnly.removeAll(gradleOnly)
                        gradleOnly.removeAll(antValue.split(',') as LinkedHashSet)
                        println("""$attribute:
                            ant only: $antOnly
                            gradle only: $gradleOnly""")
                    } else {
                        println("""$attribute:
                            ant value: ${antValue}
                            gradle value: ${gradleValue}""")
                    }
                }
            } else {
                println "$attribute: gradle only"
            }
        }
    }
}