Gradle Dependency Task configuration

AddDependencyTask.groovy

package com.mybuild

import org.gradle.api.DefaultTask
import org.gradle.api.tasks.TaskAction

class AddDependencyTask extends DefaultTask {
    def libMap
    
    @TaskAction
    void addLibrariesInBulk() {
        libMap.each { groupName, dependencySet ->
            dependencySet.each {
                def fileName = "${it}.lib.properties"
                project.file(fileName).eachLine {
                    project.dependencies.add(groupName, it)
                }
            }
        }
    }
}

build.gradle

task addlibs(type: LibProviderTask)
configure(addlibs) {
	libMap = ['compile':["compile", "gwt", "web"], 'testCompile' : ["test"]]
}

dependencies {
	project.addlibs.execute()
	groovy 'org.codehaus.groovy:groovy-all:1.8.2' 
}