| /* |
| * Copyright (c) 1997, 2011, 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.xml.internal.bind.util; |
| |
| import java.net.URL; |
| |
| /** |
| * Finds out where a class file is loaded from. |
| * |
| * @author |
| * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
| */ |
| public class Which { |
| |
| public static String which( Class clazz ) { |
| return which( clazz.getName(), SecureLoader.getClassClassLoader(clazz)); |
| } |
| |
| /** |
| * Search the specified classloader for the given classname. |
| * |
| * @param classname the fully qualified name of the class to search for |
| * @param loader the classloader to search |
| * @return the source location of the resource, or null if it wasn't found |
| */ |
| public static String which(String classname, ClassLoader loader) { |
| |
| String classnameAsResource = classname.replace('.', '/') + ".class"; |
| |
| if(loader == null) { |
| loader = SecureLoader.getSystemClassLoader(); |
| } |
| |
| URL it = loader.getResource(classnameAsResource); |
| if (it != null) { |
| return it.toString(); |
| } else { |
| return null; |
| } |
| } |
| |
| } |