@RequestMapping
public void gen(GenCmd genCmd, HttpServletRequest request, HttpServletResponse response)
throws Exception {
String outputPath = outputRootDir + System.currentTimeMillis();
genCmd.setOutputRootDir(outputPath);
genCmd.execute();
response.setHeader(
"Content-Disposition", "attachment; filename=\"" + "generatorOutput.zip" + "\"");
ZipHelper.zip(outputPath, response.getOutputStream());
}