66 lines
2.2 KiB
Java
66 lines
2.2 KiB
Java
/*
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* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.xml.internal.bind.util;
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import java.net.URL;
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/**
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* Finds out where a class file is loaded from.
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*
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* @author
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* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
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*/
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public class Which {
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public static String which( Class clazz ) {
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return which( clazz.getName(), SecureLoader.getClassClassLoader(clazz));
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}
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/**
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* Search the specified classloader for the given classname.
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*
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* @param classname the fully qualified name of the class to search for
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* @param loader the classloader to search
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* @return the source location of the resource, or null if it wasn't found
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*/
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public static String which(String classname, ClassLoader loader) {
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String classnameAsResource = classname.replace('.', '/') + ".class";
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if(loader == null) {
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loader = SecureLoader.getSystemClassLoader();
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}
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URL it = loader.getResource(classnameAsResource);
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if (it != null) {
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return it.toString();
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} else {
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return null;
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}
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}
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}
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