Gradle maven push script for android and java, support publish to maven local

gradle-mvn-push.gradle

apply plugin: 'maven'
apply plugin: 'signing'

version = VERSION_NAME
group = GROUP

def isReleaseBuild() {
    return VERSION_NAME.contains("SNAPSHOT") == false
}

def getReleaseRepositoryUrl() {
    if (hasProperty('PUBLISH_TO_MAVEN_LOCAL') && Boolean.valueOf(PUBLISH_TO_MAVEN_LOCAL)) {
        return repositories.mavenLocal().url
    }
    return hasProperty('RELEASE_REPOSITORY_URL') ? RELEASE_REPOSITORY_URL : ""
}

def getSnapshotRepositoryUrl() {
    if (hasProperty('PUBLISH_TO_MAVEN_LOCAL') && Boolean.valueOf(PUBLISH_TO_MAVEN_LOCAL)) {
        return repositories.mavenLocal().url
    }
    return hasProperty('SNAPSHOT_REPOSITORY_URL') ? SNAPSHOT_REPOSITORY_URL : ""
}

def getRepositoryUsername() {
    return hasProperty('NEXUS_USERNAME') ? NEXUS_USERNAME : ""
}

def getRepositoryPassword() {
    return hasProperty('NEXUS_PASSWORD') ? NEXUS_PASSWORD : ""
}

afterEvaluate { project ->
    uploadArchives {
        repositories {
            mavenDeployer {
                beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }

                pom.groupId = GROUP
                pom.artifactId = POM_ARTIFACT_ID
                pom.version = VERSION_NAME

                repository(url: getReleaseRepositoryUrl()) {
                    authentication(userName: getRepositoryUsername(), password: getRepositoryPassword())
                }
                snapshotRepository(url: getSnapshotRepositoryUrl()) {
                    authentication(userName: getRepositoryUsername(), password: getRepositoryPassword())
                }

                pom.project {
                    name POM_NAME
                    packaging POM_PACKAGING
                    description POM_DESCRIPTION
                    url POM_URL

                    scm {
                        url POM_SCM_URL
                        connection POM_SCM_CONNECTION
                        developerConnection POM_SCM_DEV_CONNECTION
                    }

                    licenses {
                        license {
                            name POM_LICENCE_NAME
                            url POM_LICENCE_URL
                            distribution POM_LICENCE_DIST
                        }
                    }

                    developers {
                        developer {
                            id POM_DEVELOPER_ID
                            name POM_DEVELOPER_NAME
                        }
                    }
                }
            }
        }
    }

    signing {
        required { isReleaseBuild() && gradle.taskGraph.hasTask("uploadArchives") }
        sign configurations.archives
    }

    if (project.getPlugins().hasPlugin('com.android.application') ||
            project.getPlugins().hasPlugin('com.android.library')) {
        task install(type: Upload, dependsOn: assemble) {
            repositories.mavenInstaller {
                configuration = configurations.archives

                pom.groupId = GROUP
                pom.artifactId = POM_ARTIFACT_ID
                pom.version = VERSION_NAME

                pom.project {
                    name POM_NAME
                    packaging POM_PACKAGING
                    description POM_DESCRIPTION
                    url POM_URL

                    scm {
                        url POM_SCM_URL
                        connection POM_SCM_CONNECTION
                        developerConnection POM_SCM_DEV_CONNECTION
                    }

                    licenses {
                        license {
                            name POM_LICENCE_NAME
                            url POM_LICENCE_URL
                            distribution POM_LICENCE_DIST
                        }
                    }

                    developers {
                        developer {
                            id POM_DEVELOPER_ID
                            name POM_DEVELOPER_NAME
                        }
                    }
                }
            }
        }

        task androidJavadocs(type: Javadoc) {
            failOnError false
            source = android.sourceSets.main.java.source
            classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
        }

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

        task androidSourcesJar(type: Jar) {
            classifier = 'sources'
            from android.sourceSets.main.java.source
        }

    } else {
        install {
            repositories.mavenInstaller {
                pom.groupId = GROUP
                pom.artifactId = POM_ARTIFACT_ID
                pom.version = VERSION_NAME

                pom.project {
                    name POM_NAME
                    packaging POM_PACKAGING
                    description POM_DESCRIPTION
                    url POM_URL

                    scm {
                        url POM_SCM_URL
                        connection POM_SCM_CONNECTION
                        developerConnection POM_SCM_DEV_CONNECTION
                    }

                    licenses {
                        license {
                            name POM_LICENCE_NAME
                            url POM_LICENCE_URL
                            distribution POM_LICENCE_DIST
                        }
                    }

                    developers {
                        developer {
                            id POM_DEVELOPER_ID
                            name POM_DEVELOPER_NAME
                        }
                    }
                }
            }
        }

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

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

    if (JavaVersion.current().isJava8Compatible()) {
        allprojects {
            tasks.withType(Javadoc) {
                options.addStringOption('Xdoclint:none', '-quiet')
            }
        }
    }

    artifacts {
        if (project.getPlugins().hasPlugin('com.android.application') ||
                project.getPlugins().hasPlugin('com.android.library')) {
            archives androidSourcesJar
            archives androidJavadocsJar
        } else {
            archives sourcesJar
            archives javadocJar
        }
    }
}

usage.properties

#Usage of gradle-mvn-push.gradle

#Properties of sub project
VERSION_NAME = '1.0.0'
GROUP = 'com.mricefox.archmage.build.gradle'
POM_DESCRIPTION = 'Gradle Plug-in for Archmage.'
POM_NAME = 'Gradle Plug-in for Archmage'
POM_ARTIFACT_ID = 'archmage-gradle-plugin'
POM_PACKAGING = 'jar'
PUBLISH_TO_MAVEN_LOCAL=false

#Properties of root project
POM_URL=https://github.com/MrIceFox/Archmage
POM_SCM_URL=https://github.com/MrIceFox/Archmage
POM_SCM_CONNECTION=scm:https://github.com/MrIceFox/Archmage.git
POM_SCM_DEV_CONNECTION=scm:https://github.com/MrIceFox/Archmage.git
POM_LICENCE_NAME=The Apache Software License, Version 2.0
POM_LICENCE_URL=http://www.apache.org/licenses/LICENSE-2.0.txt
POM_LICENCE_DIST=repo
POM_DEVELOPER_ID=mricefox
POM_DEVELOPER_NAME=Mr.Icefox
RELEASE_REPOSITORY_URL = http://xxx.xxx.xxx.xxx:xxx/nexus/content/repositories/releases
SNAPSHOT_REPOSITORY_URL = http://xxx.xxx.xxx.xxx:xxx/nexus/content/repositories/snapshots
NEXUS_USERNAME=username
NEXUS_PASSWORD=password