| /* |
| * Copyright (c) 2000, 2008, 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 javax.management.loading; |
| |
| import static com.sun.jmx.defaults.JmxProperties.MBEANSERVER_LOGGER; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.logging.Level; |
| import javax.management.MBeanServer; |
| import javax.management.MBeanServerFactory; |
| |
| /** |
| * <p>Keeps the list of Class Loaders registered in the MBean Server. |
| * It provides the necessary methods to load classes using the registered |
| * Class Loaders.</p> |
| * |
| * <p>This deprecated class is maintained for compatibility. In |
| * previous versions of JMX, there was one |
| * <code>DefaultLoaderRepository</code> shared by all MBean servers. |
| * As of JMX 1.2, that functionality is approximated by using {@link |
| * MBeanServerFactory#findMBeanServer} to find all known MBean |
| * servers, and consulting the {@link ClassLoaderRepository} of each |
| * one. It is strongly recommended that code referencing |
| * <code>DefaultLoaderRepository</code> be rewritten.</p> |
| * |
| * @deprecated Use |
| * {@link javax.management.MBeanServer#getClassLoaderRepository()}} |
| * instead. |
| * |
| * @since 1.5 |
| */ |
| @Deprecated |
| public class DefaultLoaderRepository { |
| |
| /** |
| * Go through the list of class loaders and try to load the requested |
| * class. |
| * The method will stop as soon as the class is found. If the class |
| * is not found the method will throw a <CODE>ClassNotFoundException</CODE> |
| * exception. |
| * |
| * @param className The name of the class to be loaded. |
| * |
| * @return the loaded class. |
| * |
| * @exception ClassNotFoundException The specified class could not be |
| * found. |
| */ |
| public static Class<?> loadClass(String className) |
| throws ClassNotFoundException { |
| MBEANSERVER_LOGGER.logp(Level.FINEST, |
| DefaultLoaderRepository.class.getName(), |
| "loadClass", className); |
| return load(null, className); |
| } |
| |
| /** |
| * Go through the list of class loaders but exclude the given |
| * class loader, then try to load |
| * the requested class. |
| * The method will stop as soon as the class is found. If the class |
| * is not found the method will throw a <CODE>ClassNotFoundException</CODE> |
| * exception. |
| * |
| * @param className The name of the class to be loaded. |
| * @param loader The class loader to be excluded. |
| * |
| * @return the loaded class. |
| * |
| * @exception ClassNotFoundException The specified class could not be |
| * found. |
| */ |
| public static Class<?> loadClassWithout(ClassLoader loader, |
| String className) |
| throws ClassNotFoundException { |
| MBEANSERVER_LOGGER.logp(Level.FINEST, |
| DefaultLoaderRepository.class.getName(), |
| "loadClassWithout", className); |
| return load(loader, className); |
| } |
| |
| private static Class<?> load(ClassLoader without, String className) |
| throws ClassNotFoundException { |
| final List<MBeanServer> mbsList = MBeanServerFactory.findMBeanServer(null); |
| |
| for (MBeanServer mbs : mbsList) { |
| ClassLoaderRepository clr = mbs.getClassLoaderRepository(); |
| try { |
| return clr.loadClassWithout(without, className); |
| } catch (ClassNotFoundException e) { |
| // OK : Try with next one... |
| } |
| } |
| throw new ClassNotFoundException(className); |
| } |
| |
| } |