Primefaces Themeroller Theme Unpacker
// sample
ThemeUnpacker themeDownloader = new ThemeUnpacker();
themeDownloader.setClearDestination(true);
themeDownloader.setThemeName("blue");
themeDownloader.setDestinationDirectory("c:\\project\\src\\main\\webapp\\resources\\primefaces-blue");
themeDownloader.unpack("C:\\Downloads\\jquery-ui-1.9.2.custom.zip");