[jboss-user] [Javassist user questions] - Re: java.lang.NoSuchMethodException when invoking a method
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();
| }
|
View the original post :
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4093747#...
Reply to the post :
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...