/* * This file is part of Spoutcraft. * * Copyright (c) 2011 SpoutcraftDev <http://spoutcraft.org/> * Spoutcraft is licensed under the GNU Lesser General Public License. * * Spoutcraft is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Spoutcraft is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.spoutcraft.client.pluginloader; import java.net.URL; import java.net.URLClassLoader; public class ClassLoader extends URLClassLoader { public ClassLoader(final URL[] urls, final ClassLoader parent) { super(urls, parent); } @Override protected Class<?> findClass(String name) throws ClassNotFoundException { if (!whitelisted(name)) { throw new SecurityException("Plugin attempted to access non-whitelisted class: " + name); } return super.findClass(name); } private boolean whitelisted(String classname) { return true; } }