[jboss-user] [Javassist user questions] - Re: java.lang.NoSuchMethodException when invoking a method

[ssiddiqu]

Can some more experienced users please help me on this?
Thanks.
--Sarim.
"ssiddiqu" wrote : I am getting  java.lang.NoSuchMethodException when running the following code. Any ideas how can I create a new class, add a method and invoke it?
  |     
  | 
  |    String aMethod="printSomething";
  |     	String src="public static void "+aMethod+"()" +
  | 		"{" +
  | 		"System.out.println(\"Kia Hoa\");" +
  | 		"}";
  |     	System.out.println(src);
  |         String className="mytest.MyTest";
  | 
  |         // we assume that called methods have no argument
  |         Class<?> params[] = {};
  |         Object paramsObj[] = {};
  |         try
  |         {
  |            	ClassPool pool = ClassPool.getDefault();
  |         	CtClass cc = pool.makeClass(className);        	
  |         	CtNewMethod.make(src,cc);
  |         	cc.stopPruning(true);
  |         	//cc.freeze();
  |         Loader cl = new Loader(pool);
  |         
  | //        Class<?> thisClass = Class.forName(className);
  |         Class thisClass = cl.loadClass(className);
  |         // get the method
  |         Method thisMethod = thisClass.getDeclaredMethod(aMethod);
  |         // call the method
  |         System.out.println
  |            (thisMethod.invoke(thisClass, paramsObj).toString());
  |         
  |         
  |         }
  |         catch(Exception e)
  |         {
  |         	e.printStackTrace();
  |         }
  |     	

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