/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.remoting.classloader.currentthread;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.Map;
import javax.management.MBeanServer;
import junit.framework.TestCase;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.jboss.logging.XLevel;
import org.jboss.remoting.Client;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.Remoting;
import org.jboss.remoting.ServerInvocationHandler;
import org.jboss.remoting.ServerInvoker;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import org.jboss.remoting.transport.PortUtil;
/**
* Unit tests for JBREM-1127
*
* @author <a href="ron.sigal@jboss.com">Ron Sigal</a>
* @version
* <p>
* Copyright May 10, 2009
* </p>
*/
public class CurrentThreadContextClassLoaderTestCase extends TestCase
{
private static Logger log = Logger.getLogger(CurrentThreadContextClassLoaderTestCase.class);
private static boolean firstTime = true;
protected String host;
protected int port;
protected String locatorURI;
protected InvokerLocator serverLocator;
protected Connector connector;
protected TestInvocationHandler invocationHandler;
protected String currentPackage;
protected ClassLoader mainContextClassLoader;
protected TestClassLoader testClassLoader1;
protected TestClassLoader testClassLoader2;
protected TestCallingThread testCallingThread;
public void setUp() throws Exception
{
if (firstTime)
{
firstTime = false;
Logger.getLogger("org.jboss.remoting").setLevel(XLevel.INFO);
Logger.getLogger("org.jboss.test.remoting").setLevel(Level.INFO);
String pattern = "[%d{ABSOLUTE}] [%t] %5p (%F:%L) - %m%n";
PatternLayout layout = new PatternLayout(pattern);
ConsoleAppender consoleAppender = new ConsoleAppender(layout);
Logger.getRootLogger().addAppender(consoleAppender);
}
String className = getClass().getName();
int index = className.lastIndexOf('.');
currentPackage = className.substring(0, index);
}
public void tearDown()
{
}
public void testDefault() throws Throwable
{
log.info("entering " + getName());
// Start server.
setupServer();
mainContextClassLoader = Thread.currentThread().getContextClassLoader();
// Create testClassLoader1 for testCallingThread.
testClassLoader1 = new TestClassLoader("testClassLoader1");
// Create testClassLoader2 for main thread.
testClassLoader2 = new TestClassLoader("testClassLoader2");
// Create client.
InvokerLocator clientLocator = new InvokerLocator(locatorURI);
HashMap clientConfig = new HashMap();
clientConfig.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraClientConfig(clientConfig);
Client client = new Client(clientLocator, clientConfig);
client.connect();
log.info("client is connected");
// Make invocation, creating unmarshaller with testClassLoader1, in separate thread.
TestCallingThread t = new TestCallingThread(client);
t.run();
synchronized (t)
{
if (!t.done)
{
t.wait();
}
}
// Make invocation in main thread with context classloader testClassLoader2.
testClassLoader2.setClassLoader(mainContextClassLoader);
Thread.currentThread().setContextClassLoader(testClassLoader2);
log.info("main thread result: " + client.invoke("2"));
assertTrue(testClassLoader1.counter > 0);
assertTrue(testClassLoader2.counter == 0);
client.disconnect();
shutdownServer();
log.info(getName() + " PASSES");
}
public void testUseCurrentThreadClassLoaderFalse() throws Throwable
{
log.info("entering " + getName());
// Start server.
setupServer();
mainContextClassLoader = Thread.currentThread().getContextClassLoader();
// Create testClassLoader1 for testCallingThread.
testClassLoader1 = new TestClassLoader("testClassLoader1");
// Create testClassLoader2 for main thread.
testClassLoader2 = new TestClassLoader("testClassLoader2");
// Create client.
InvokerLocator clientLocator = new InvokerLocator(locatorURI);
HashMap clientConfig = new HashMap();
clientConfig.put(InvokerLocator.FORCE_REMOTE, "true");
clientConfig.put(Remoting.USE_CURRENT_THREAD_CLASS_LOADER, "false");
addExtraClientConfig(clientConfig);
Client client = new Client(clientLocator, clientConfig);
client.connect();
log.info("client is connected");
// Make invocation, creating unmarshaller with testClassLoader1, in separate thread.
TestCallingThread t = new TestCallingThread(client);
t.run();
synchronized (t)
{
if (!t.done)
{
t.wait();
}
}
// Make invocation in main thread with context classloader testClassLoader2.
testClassLoader2.setClassLoader(mainContextClassLoader);
Thread.currentThread().setContextClassLoader(testClassLoader2);
log.info("main thread result: " + client.invoke("2"));
assertTrue(testClassLoader1.counter > 0);
assertTrue(testClassLoader2.counter == 0);
client.disconnect();
shutdownServer();
log.info(getName() + " PASSES");
}
public void testUseCurrentThreadClassLoaderTrue() throws Throwable
{
log.info("entering " + getName());
// Start server.
setupServer();
mainContextClassLoader = Thread.currentThread().getContextClassLoader();
// Create testClassLoader1 for testCallingThread.
testClassLoader1 = new TestClassLoader("testClassLoader1");
// Create testClassLoader2 for main thread.
testClassLoader2 = new TestClassLoader("testClassLoader2");
// Create client.
InvokerLocator clientLocator = new InvokerLocator(locatorURI);
HashMap clientConfig = new HashMap();
clientConfig.put(InvokerLocator.FORCE_REMOTE, "true");
clientConfig.put(Remoting.USE_CURRENT_THREAD_CLASS_LOADER, "true");
addExtraClientConfig(clientConfig);
Client client = new Client(clientLocator, clientConfig);
client.connect();
log.info("client is connected");
// Make invocation, creating unmarshaller with testClassLoader1, in separate thread.
TestCallingThread t = new TestCallingThread(client);
t.run();
synchronized (t)
{
if (!t.done)
{
t.wait();
}
}
// Make invocation in main thread with context classloader testClassLoader2.
testClassLoader2.setClassLoader(mainContextClassLoader);
Thread.currentThread().setContextClassLoader(testClassLoader2);
log.info("main thread result: " + client.invoke("2"));
assertTrue(testClassLoader1.counter > 0);
assertTrue(testClassLoader2.counter > 0);
client.disconnect();
shutdownServer();
log.info(getName() + " PASSES");
}
protected String getTransport()
{
return "socket";
}
protected void addExtraClientConfig(Map config) {}
protected void addExtraServerConfig(Map config) {}
protected void setupServer() throws Exception
{
host = InetAddress.getLocalHost().getHostAddress();
port = PortUtil.findFreePort(host);
locatorURI = getTransport() + "://" + host + ":" + port;
locatorURI += "/?" + Remoting.CLASSLOADING_PARENT_FIRST_DELEGATION + "=false";
String metadata = System.getProperty("remoting.metadata");
if (metadata != null)
{
locatorURI += "&" + metadata;
}
serverLocator = new InvokerLocator(locatorURI);
log.info("Starting remoting server with locator uri of: " + locatorURI);
HashMap config = new HashMap();
config.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraServerConfig(config);
connector = new Connector(serverLocator, config);
connector.create();
invocationHandler = new TestInvocationHandler();
connector.addInvocationHandler("test", invocationHandler);
connector.start();
}
protected void shutdownServer() throws Exception
{
if (connector != null)
connector.stop();
}
class TestInvocationHandler implements ServerInvocationHandler
{
public void addListener(InvokerCallbackHandler callbackHandler) {}
public Object invoke(final InvocationRequest invocation) throws Throwable
{
Object o = invocation.getParameter();
if ("1".equals(o))
{
return Class.forName(currentPackage + ".TestClass1").newInstance();
}
else if ("2".equals(o))
{
return Class.forName(currentPackage + ".TestClass2").newInstance();
}
else
{
throw new Exception("unexpected request: " + o);
}
}
public void removeListener(InvokerCallbackHandler callbackHandler) {}
public void setMBeanServer(MBeanServer server) {}
public void setInvoker(ServerInvoker invoker) {}
}
class TestCallingThread extends Thread
{
Client client;
boolean done;
public TestCallingThread(Client client)
{
this.client = client;
}
public void run()
{
try
{
// Make testClassloader1 the context classloader for this TestCallingThread.
testClassLoader1.setClassLoader(mainContextClassLoader);
Thread.currentThread().setContextClassLoader(testClassLoader1);
log.info("TestCallingThread result: " + client.invoke("1"));
synchronized (this)
{
done = true;
notifyAll();
}
}
catch (Throwable e)
{
log.error("Error", e);
}
}
}
static class TestClassLoader extends ClassLoader
{
ClassLoader cl;
String name;
int counter;
public TestClassLoader(String name)
{
this.name = name;
}
public Class loadClass(String name) throws ClassNotFoundException
{
counter++;
log.info(this + " called: " + name);
// log.info(this + " called: " + name, new Exception());
return cl.loadClass(name);
}
public void setClassLoader(ClassLoader cl)
{
this.cl = cl;
}
public String toString()
{
return name;
}
}
}