Gradle build snippet to generate Java from WSDL

gradle-wsdl

configurations {
    jaxws
}

dependencies {
    jaxws 'com.sun.xml.ws:jaxws-tools:2.1.4'
}

task wsimport {
    ext.destDir = file("${projectDir}/src/main/generated")
    doLast {
        ant {
            sourceSets.main.output.classesDir.mkdirs()
            destDir.mkdirs()
            taskdef(name: 'wsimport',
                    classname: 'com.sun.tools.ws.ant.WsImport',
                    classpath: configurations.jaxws.asPath
            )
            wsimport(keep: true,
                    destdir: sourceSets.main.output.classesDir,
                    sourcedestdir: destDir,
                    extension: "true",
                    verbose: "false",
                    quiet: "false",
                    package: "com.example.client.api",
                    xnocompile: "true",
                    wsdl: 'src/main/resources/api.wsdl') {
                xjcarg(value: "-XautoNameResolution")
            }
        }
    }
}

compileJava {
    dependsOn wsimport
    source wsimport.destDir
}

what is the command to generate files
or using sts how could i generate using this code....?