Eclipse: How to substitute strings in files copied to output folder

Eclipse copies files which are not Java sources to output folder as-is. I need开发者_如何学编程 to pre-process (substitute variables) these files before they are copied. The substitution table shall be project-based.

Ideally, maven2 properties shall be used as the substitution table.

---

m2eclipse plugin for eclipse handles maven2 properties well.