Introspector

private static Method internalFindMethod( Class start,

String methodName,

int argCount) {

for (Class cl = start; cl != null; cl = cl.getSuperclass()) {

Method methods[] = getPublicDeclaredMethods(cl);

for (int i = 0; i < methods.length; i++) {

Method method = methods[i];

if (method == null) {continue;}

// skip statique methods.

int mods = method.getModifiers();

if (Modifier.isStatic(mods)) {continue; }

if ( method.getName().equals(methodName) && method.getParameterTypes().length == argCount) {return method;} }

}

Class ifcs[] = start.getInterfaces();

for (int i = 0 ; i < ifcs.length; i++) {

Method m = internalFindMethod(ifcs[i], methodName, argCount);

if (m != null) {return m; }

}

return null;

}