001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.classic.spi;
015
016import java.net.URL;
017import java.net.URLClassLoader;
018
019/**
020 * A trivial class loader which throws a NoClassDefFoundError if the requested
021 * class name contains the string "Bogus".
022 * 
023 * @author Ceki Gulcu
024 */
025public class BogusClassLoader extends URLClassLoader {
026
027    public BogusClassLoader(URL[] urls) {
028        super(urls);
029    }
030
031    public BogusClassLoader(URL[] urls, ClassLoader parent) {
032        super(urls, parent);
033    }
034
035    public Class<?> loadClass(String name) throws ClassNotFoundException {
036        return loadClass(name, false);
037    }
038
039    /**
040     * Throw NoClassDefFoundError if the requested class contains the string
041     * "Bogus". Otherwise, delegate to super-class.
042     */
043    protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
044
045        if (name.contains("Bogus")) {
046            throw new NoClassDefFoundError();
047        }
048
049        return super.loadClass(name, resolve);
050    }
051}