Apache exec run gradle to build android app, printing log output

Apache exec run gradle to build android app

	public void execute(){
	
		String mcd_val = "/pathtoproject/gradlew -q -b /pathtoproject/appfolder/build.gradle assembleRelease";
	
		try { 
		
		    PumpStreamHandler psh = new PumpStreamHandler(new LogOutputStream() {
				
				@Override
				protected void processLine(String arg0, int arg1) {
	
				    System.out.println(arg0 + " - " + arg1);
				}
			});
		    CommandLine cl = CommandLine.parse(mcd_val);
		    DefaultExecutor exec = new DefaultExecutor();
		    exec.setStreamHandler(psh);
		    
			exec.execute(cl);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}