publish.gradle

apply plugin: 'maven-publish'
apply plugin: 'signing'

def isLocalBuild() {
    return hasProperty("LOCAL")
}

def isReleaseBuild() {
    return hasProperty("RELEASE")
}

def isSnapshotBuild() {
    return hasProperty("SNAPSHOT")
}

def getLocalRepositoryUrl() {
    return hasProperty('LOCAL_REPOSITORY_URL') ? LOCAL_REPOSITORY_URL
            : 'file://' + new File(System.getProperty('user.home'), '.m2/repository').absolutePath
}

def getReleaseRepositoryUrl() {
    return hasProperty('RELEASE_REPOSITORY_URL') ? RELEASE_REPOSITORY_URL
            : "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
}

def getSnapshotRepositoryUrl() {
    return hasProperty('SNAPSHOT_REPOSITORY_URL') ? SNAPSHOT_REPOSITORY_URL
            : "https://oss.sonatype.org/content/repositories/snapshots/"
}

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

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

def getGroupId() {
    return GROUPID;
}

def getArtifactId() {
    return ARTIFACTID;
}

def getVersion() {
    if (isReleaseBuild()) {
        return VERSION.replace("-SNAPSHOT", "")
    } else {
        return VERSION;
    }
}

java {
    withJavadocJar()
    withSourcesJar()
}

publishing {
    publications {
        mavenJava(MavenPublication) {
            from components.java

            groupId = GROUPID
            artifactId = ARTIFACTID
            version = getVersion()

            println 'Publishing artifact: ' + GROUPID + ':' + ARTIFACTID + '-' + getVersion()

            pom {
                name = libraryName
                description = libraryDescription
                url = librarySiteUrl

                licenses {
                    license {
                        name = licenseName
                        url = licenseUrl
                    }
                }

                developers {
                    developer {
                        id = developerId
                        name = developerName
                        email = developerEmail
                    }
                }

                scm {
                    url = libraryGitUrl
                    connection = "scm:$libraryGitUrl"
                    developerConnection = "scm:$libraryGitUrl"
                }
            }
        }
    }

    repositories {
        if (isReleaseBuild()) {
            maven {
                credentials {
                    username = getRepositoryUsername()
                    password = getRepositoryPassword()
                }

                url getReleaseRepositoryUrl()
            }
        }
        if (isSnapshotBuild()) {
            maven {
                credentials {
                    username = getRepositoryUsername()
                    password = getRepositoryPassword()
                }

                url getSnapshotRepositoryUrl()
            }
        }
    }

    signing {
        required { isReleaseBuild() }
        sign publishing.publications.mavenJava
    }
}