/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, 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.aop.asintegration.jboss5;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.net.URL;
import java.security.ProtectionDomain;
import javassist.CannotCompileException;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.scopedpool.ScopedClassPoolRepository;
import org.jboss.aop.classpool.AOPClassPool;
import org.jboss.classloader.spi.base.BaseClassLoader;
import org.jboss.logging.Logger;
import org.jboss.virtual.plugins.context.memory.MemoryContextFactory;
/**
*
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
* @version $Revision: 1.1 $
*/
public class JBoss5ClassPool extends AOPClassPool
{
Logger log = Logger.getLogger(JBoss5ClassPool.class);
protected URL tempURL = null;
// For loadClass tmpdir creation for UCL
protected final Object tmplock = new Object();
boolean closed;
protected JBoss5ClassPool(ClassLoader cl, ClassPool src, ScopedClassPoolRepository repository, URL tmpURL)
{
super(cl, src, repository);
tempURL = tmpURL;
}
protected JBoss5ClassPool(ClassPool src, ScopedClassPoolRepository repository)
{
super(src, repository);
}
public boolean isUnloadedClassLoader()
{
return closed;
}
public void close()
{
closed = true;
super.close();
}
public Class<?> toClass(CtClass cc, ClassLoader loader, ProtectionDomain domain) throws CannotCompileException
{
lockInCache(cc);
final ClassLoader myloader = getClassLoader();
if (myloader == null || tempURL == null)
{
return super.toClass(cc, loader, domain);
}
try
{
String classFileName = getResourceName(cc.getName());
URL outputURL = new URL(tempURL.toString() + "/" + classFileName);
//Write the classfile to the temporary url
synchronized (tmplock)
{
ByteArrayOutputStream byteout = new ByteArrayOutputStream();
BufferedOutputStream out = new BufferedOutputStream(byteout);
out.write(cc.toBytecode());
out.flush();
out.close();
byte[] classBytes = byteout.toByteArray();
MemoryContextFactory factory = MemoryContextFactory.getInstance();
factory.putFile(outputURL, classBytes);
if (myloader instanceof BaseClassLoader)
{
//Update check to RealClassLoader once integration project catches up
((BaseClassLoader)myloader).clearBlackList(classFileName);
}
Class<?> clazz = myloader.loadClass(cc.getName());
return clazz;
}
}
catch(Exception e)
{
ClassFormatError cfe = new ClassFormatError("Failed to load dyn class: " + cc.getName() + " on " + this + " loader:" + myloader);
cfe.initCause(e);
throw cfe;
}
}
}