speech recognition - How can I display the rule that has been used in my grammar file in sphinx4 java code? -

my code display rules found in grammar file : configuration configuration = new configuration();

    configuration             .setacousticmodelpath("src/en-us");     configuration             .setdictionarypath("src/9256.dic");     configuration             .setgrammarpath("src/dialog/");     configuration             .setusegrammar(true);     configuration             .setgrammarname("dialog");      //grammar.loadjsgf(gram_name);     //string gram_name = configuration.getgrammarname();      dictionary dictionary=new textdictionary("src/9256.dic","src/en-us/noisedict",null,false, null,new unitmanager());     jsgfgrammar grammar = new jsgfgrammar("src/dialog/", "dialog", false, false, false, false, dictionary);     grammar.allocate();     livespeechrecognizer recognizer = new livespeechrecognizer(configuration);     recognizer.startrecognition(true);     speechresult result;     while ((result = recognizer.getresult()) != null) {         system.out.format("hypothesis: %s;\n", result.gethypothesis());         system.out.println("****************************************");         system.out.format("used rule is: %s;\n",grammar.getrulegrammar().getrulenames());     }     recognizer.stoprecognition();