Compile Vaadin WidgetSet

VaadinCompile.groovy

includeTargets << grailsScript("_GrailsInit")
includeTargets << grailsScript("_GrailsClasspath")
includeTargets << grailsScript("_GrailsRun")

target(widgetset_init: "init") {
    vaadinConfig = new ConfigSlurper(grails.util.Environment.current.name).parse(new File("${basedir}/grails-app/conf/VaadinConfig.groovy").text)
    ant.property(name: "widgetset", value: vaadinConfig.vaadin.widgetset)
    ant.property(name: "workers", value: "4")
    ant.property(name: "widgetset-path", value: "")
    ant.property(name: "client-side-destination", value: "web-app/VAADIN/widgetsets")
    ant.property(name: "generate.widgetset", value: "1")
}

target(compile_widgetset: "widgetset") {
    depends(classpath, compile, widgetset_init)
    ant.echo message: """Compiling ${ant.project.properties.'widgetset'} into ${ant.project.properties."client-side-destination"} directory..."""
    ant.java(classname: "com.google.gwt.dev.Compiler", maxmemory: "512m", failonerror: true, fork: true, classpathref: "grails.compile.classpath") {
        ant.classpath {
            pathelement location: "${basedir}/src/java"
            pathelement location: "${basedir}/target/classes"
        }
        arg(value: "-localWorkers")
        arg(value: "${ant.project.properties.'workers'}")
        arg(value: "-war")
        arg(value: ant.project.properties.'client-side-destination')
        arg(value: ant.project.properties.'widgetset')
        jvmarg(value: "-Xss1024k")
        jvmarg(value: "-Djava.awt.headless=true")
    }
}

setDefaultTarget(compile_widgetset)