Using Java Annotations - Generating Code

Question

I\'m using java 6 annotation processing api. I have followed the following excellent tutorial for creating an annotation processor that displays a message at build-time:

Answer 1

If you want runtime modification of you classes, you can use your own classloader and intercept loading of classes, introspect what you want and generate new bytecode using asm library instead of original classes. It is not very tricky, but you must be sure you need exactly that.