/*
* 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.deployment;
import java.io.File;
import java.io.FileOutputStream;
import java.security.ProtectionDomain;
import org.jboss.aop.AspectManager;
import org.jboss.aop.classpool.AOPClassPool;
import org.jboss.mx.loading.RepositoryClassLoader;
import org.jboss.mx.loading.UnifiedClassLoader;
import javassist.CannotCompileException;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.scopedpool.ScopedClassPoolRepository;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57186 $
*/
public class JBossClassPool32 extends AOPClassPool
{
/**
* Used for dynamically created classes (see loadClass(String, byte[]), ClassLoader)
*/
protected File tempdir = null;
// For loadClass tmpdir creation for UCL
protected final Object tmplock = new Object();
protected JBossClassPool32(ClassLoader cl, ClassPool src, ScopedClassPoolRepository repository, File tmp)
{
super(cl, src, repository);
tempdir = tmp;
}
protected JBossClassPool32(ClassPool src, ScopedClassPoolRepository repository)
{
super(src, repository);
}
public boolean isUnloadedClassLoader()
{
if (getClassLoader() instanceof UnifiedClassLoader)
{
UnifiedClassLoader rcl = (UnifiedClassLoader) getClassLoader();
return rcl.getLoaderRepository() == null;
}
return false;
}
public Class toClass(CtClass cc, ClassLoader loader, ProtectionDomain domain)
throws CannotCompileException
{
lockInCache(cc);
if (getClassLoader() == null || tempdir == null)
{
return super.toClass(cc, loader, domain);
}
Class dynClass = null;
try
{
File classFile = null;
String classFileName = cc.getName().replace('.', '/') + ".class";
// Write the clas file to the tmpdir
synchronized (tmplock)
{
classFile = new File(tempdir, classFileName);
File pkgDirs = classFile.getParentFile();
pkgDirs.mkdirs();
FileOutputStream stream = new FileOutputStream(classFile);
stream.write(cc.toBytecode());
stream.flush();
stream.close();
classFile.deleteOnExit();
}
// We have to clear Blacklist caches or the class will never
// be found
//((UnifiedClassLoader)dcl).clearBlacklists();
// To be backward compatible
UnifiedClassLoader rcl = (UnifiedClassLoader) getClassLoader();
rcl.clearBlackLists();
// Now load the class through the cl
dynClass = getClassLoader().loadClass(cc.getName());
}
catch (Exception ex)
{
ClassFormatError cfe = new ClassFormatError("Failed to load dyn class: " + cc.getName());
cfe.initCause(ex);
throw cfe;
}
return dynClass;
}
}
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