Downloads JAR dependencies with Gradle and saves them on `lib` path.

build.gradle

apply plugin: 'groovy'

repositories {
   jcenter()
}

dependencies {
	compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.7'
	compile 'org.apache.commons:commons-io:1.3.2'
}

task downloadDeps() {
	project.configurations.compile.resolvedConfiguration.firstLevelModuleDependencies.each { config ->
		println "Processing ${config.getModuleName()} (${config.module})"
		def moduleFile = project.configurations.compile.find { it.name.startsWith(config.getModuleName()) }

		def libDir = new java.io.File("lib")
		libDir.mkdir()

		moduleFile.renameTo(new java.io.File(libDir, moduleFile.getName()))
  }
}