/**
* Invoke the user defined static method in the nested "Duck" class so that the user can define
* convenience methods on the config beans.
*/
Object invokeDuckMethod(Method method, Object proxy, Object[] args) throws Exception {
Method duckMethod = model.getDuckMethod(method);
Object[] duckArgs;
if (args == null) {
duckArgs = new Object[] {proxy};
} else {
duckArgs = new Object[args.length + 1];
duckArgs[0] = proxy;
System.arraycopy(args, 0, duckArgs, 1, args.length);
}
try {
return duckMethod.invoke(null, duckArgs);
} catch (InvocationTargetException e) {
Throwable t = e.getTargetException();
if (t instanceof Exception) throw (Exception) t;
if (t instanceof Error) throw (Error) t;
throw e;
}
}
