build.gradle

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

group 'ee.euro2'
version '0.0.1-SNAPSHOT'

jar {
    baseName = 'contract-java-abi'
    version = '0.0.1-SNAPSHOT'
}

sourceCompatibility = 1.8

repositories {
    mavenCentral()
}

dependencies {
    compile("org.web3j:core:3.5.0")
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

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

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

artifacts {
    archives javadocJar, sourcesJar
}

publishing {
    publications {
        mavenJava(MavenPublication) {
            from components.java
            artifact sourcesJar
            artifact javadocJar
        }
    }
    repositories {
        mavenLocal()
        maven {
            def repoUrl = project.version.endsWith('-SNAPSHOT') ? "https://oss.sonatype.org/content/repositories/snapshots" : "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
            url repoUrl
            credentials(PasswordCredentials) {
                username "${System.env.OSSRH_USERNAME}"
                password "${System.env.OSSRH_PASSWORD}"
            }
        }
    }
}