001/*
002 * (C) Copyright 2006 JBoss.
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-2.1.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 *     JBoss
016 *     Nuxeo
017 */
018
019package org.nuxeo.runtime.launcher;
020
021import java.net.MalformedURLException;
022import java.rmi.server.RMIClassLoader;
023import java.rmi.server.RMIClassLoaderSpi;
024
025/**
026 * Copied from org.jboss.system.JBossRMIClassLoader and modified getClassAnnotation to avoid delegating to default
027 * loader since it has a bug.
028 *
029 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
030 */
031public class NuxeoRMIClassLoader extends RMIClassLoaderSpi {
032    // Attributes ----------------------------------------------------
033
034    /**
035     * The JVM implementation (we delegate most work to it)
036     */
037    RMIClassLoaderSpi delegate = RMIClassLoader.getDefaultProviderInstance();
038
039    // Constructors --------------------------------------------------
040
041    /**
042     * Required constructor
043     */
044    public NuxeoRMIClassLoader() {
045    }
046
047    // RMIClassLoaderSpi Implementation ------------------------------
048
049    /**
050     * Ignore the JVM, use the thread context classloader for proxy caching
051     */
052    public Class<?> loadProxyClass(String codebase, String[] interfaces, ClassLoader ignored)
053            throws MalformedURLException, ClassNotFoundException {
054        return delegate.loadProxyClass(codebase, interfaces, Thread.currentThread().getContextClassLoader());
055    }
056
057    /**
058     * Just delegate
059     */
060    public Class<?> loadClass(String codebase, String name, ClassLoader ignored) throws MalformedURLException,
061            ClassNotFoundException {
062        return delegate.loadClass(codebase, name, Thread.currentThread().getContextClassLoader());
063    }
064
065    /**
066     * Just delegate
067     */
068    public ClassLoader getClassLoader(String codebase) throws MalformedURLException {
069        return delegate.getClassLoader(codebase);
070    }
071
072    /**
073     * Try to delegate an default to the java.rmi.server.codebase on any failure.
074     */
075    public String getClassAnnotation(Class<?> cl) {
076        return System.getProperty("java.rmi.server.codebase");
077    }
078}