001/*
002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Nuxeo - initial API and implementation
016 *
017 * $Id$
018 */
019
020package org.nuxeo.runtime.launcher;
021
022import java.net.MalformedURLException;
023import java.rmi.server.RMIClassLoader;
024import java.rmi.server.RMIClassLoaderSpi;
025
026/*
027 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
028 *
029 * All rights reserved. This program and the accompanying materials
030 * are made available under the terms of the GNU Lesser General Public License
031 * (LGPL) version 2.1 which accompanies this distribution, and is available at
032 * http://www.gnu.org/licenses/lgpl.html
033 *
034 * This library is distributed in the hope that it will be useful,
035 * but WITHOUT ANY WARRANTY; without even the implied warranty of
036 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
037 * Lesser General Public License for more details.
038 *
039 * Contributors:
040 *     bstefanescu
041 *
042 * $Id$
043 */
044
045/**
046 * Copied from org.jboss.system.JBossRMIClassLoader and modified getClassAnnotation to avoid delegating to default
047 * loader since it has a bug.
048 *
049 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
050 */
051public class NuxeoRMIClassLoader extends RMIClassLoaderSpi {
052    // Attributes ----------------------------------------------------
053
054    /**
055     * The JVM implementation (we delegate most work to it)
056     */
057    RMIClassLoaderSpi delegate = RMIClassLoader.getDefaultProviderInstance();
058
059    // Constructors --------------------------------------------------
060
061    /**
062     * Required constructor
063     */
064    public NuxeoRMIClassLoader() {
065    }
066
067    // RMIClassLoaderSpi Implementation ------------------------------
068
069    /**
070     * Ignore the JVM, use the thread context classloader for proxy caching
071     */
072    public Class<?> loadProxyClass(String codebase, String[] interfaces, ClassLoader ignored)
073            throws MalformedURLException, ClassNotFoundException {
074        return delegate.loadProxyClass(codebase, interfaces, Thread.currentThread().getContextClassLoader());
075    }
076
077    /**
078     * Just delegate
079     */
080    public Class<?> loadClass(String codebase, String name, ClassLoader ignored) throws MalformedURLException,
081            ClassNotFoundException {
082        return delegate.loadClass(codebase, name, Thread.currentThread().getContextClassLoader());
083    }
084
085    /**
086     * Just delegate
087     */
088    public ClassLoader getClassLoader(String codebase) throws MalformedURLException {
089        return delegate.getClassLoader(codebase);
090    }
091
092    /**
093     * Try to delegate an default to the java.rmi.server.codebase on any failure.
094     */
095    public String getClassAnnotation(Class<?> cl) {
096        return System.getProperty("java.rmi.server.codebase");
097    }
098}