Here you can find the source of getImplementedInterfaceParents(Class clazz, Set
private static void getImplementedInterfaceParents(Class clazz, Set<Class> classesResult)
//package com.java2s; /************************************************************************************** * Copyright (C) 2008 EsperTech, Inc. All rights reserved. * * http://esper.codehaus.org * * http://www.espertech.com * * ---------------------------------------------------------------------------------- * * The software in this package is published under the terms of the GPL license * * a copy of which has been included with this distribution in the license.txt file. * **************************************************************************************/ import java.util.*; public class Main { private static void getImplementedInterfaceParents(Class clazz, Set<Class> classesResult) { Class[] interfaces = clazz.getInterfaces(); if (interfaces == null) { return; }//from w ww.j av a 2 s . c o m for (int i = 0; i < interfaces.length; i++) { classesResult.add(interfaces[i]); getImplementedInterfaceParents(interfaces[i], classesResult); } } }