| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.istack.internal.tools; |
| |
| import java.util.Collection; |
| |
| /** |
| * {@link ClassLoader} that masks a specified set of classes |
| * from its parent class loader. |
| * |
| * <p> |
| * This code is used to create an isolated environment. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public class MaskingClassLoader extends ClassLoader { |
| |
| private final String[] masks; |
| |
| public MaskingClassLoader(String... masks) { |
| this.masks = masks; |
| } |
| |
| public MaskingClassLoader(Collection<String> masks) { |
| this(masks.toArray(new String[masks.size()])); |
| } |
| |
| public MaskingClassLoader(ClassLoader parent, String... masks) { |
| super(parent); |
| this.masks = masks; |
| } |
| |
| public MaskingClassLoader(ClassLoader parent, Collection<String> masks) { |
| this(parent, masks.toArray(new String[masks.size()])); |
| } |
| |
| @Override |
| protected synchronized Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException { |
| for (String mask : masks) { |
| if(name.startsWith(mask)) |
| throw new ClassNotFoundException(); |
| } |
| |
| return super.loadClass(name, resolve); |
| } |
| } |