build.gradle

apply plugin: 'java'
apply plugin: 'application'
mainClassName = "io.hxiao.udpserver.UDPServer"


repositories {
    mavenLocal()
    try {
        Inet4Address.getByName("mirrors.tencentyun.com")
        maven { url "http://mirrors.tencentyun.com/nexus/repository/maven-public/" }
        println "use tencentyun mirror"
    } catch (Exception e) {
        e.toString()
        println "mirrors.tencentyun.com cannot connect, use maven central"
        mavenCentral()
    }
}
dependencies {
    // https://mvnrepository.com/artifact/io.netty/netty-all
    compile group: 'io.netty', name: 'netty-all', version: '4.1.29.Final'
    testCompile "junit:junit:4.12"

}

task fatJar(type: Jar) {
    baseName = project.name + '-all'
    from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
    with jar
    manifest {

        attributes 'Main-Class': 'io.hxiao.udpserver.UDPServer'
    }
}