/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.proxy.container;
import java.io.IOException;
import org.jboss.aop.Advisor;
import org.jboss.aop.AspectManager;
import org.jboss.aop.InstanceAdvisor;
import org.jboss.aop.metadata.SimpleMetaData;
/**
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 67376 $
*/
public class ProxyTemplate implements Delegate, AspectManaged
{
public ProxyTemplate()
{
}
private transient Advisor classAdvisor;
private transient InstanceAdvisor instanceAdvisor;
protected volatile transient Advisor currentAdvisor;
private Object delegate;
private Object[] mixins; // Do not remove this
private SimpleMetaData metadata;
public Object getDelegate()
{
return delegate;
}
public void setDelegate(Object delegate)
{
this.delegate = delegate;
}
public Advisor getAdvisor()
{
return currentAdvisor;
}
public void setAdvisor(Advisor advisor)
{
this.classAdvisor = advisor;
this.currentAdvisor = classAdvisor;
}
public void setMetadata(SimpleMetaData metadata)
{
this.metadata = metadata;
}
public void setInstanceAdvisor(InstanceAdvisor ia)
{
synchronized (this)
{
if (this.instanceAdvisor != null)
{
throw new RuntimeException("InstanceAdvisor already set");
}
if (!(ia instanceof org.jboss.aop.proxy.container.InstanceProxyContainer))
{
throw new RuntimeException("Wrong type for instance advisor: " + instanceAdvisor);
}
this.instanceAdvisor = ia;
currentAdvisor = (org.jboss.aop.proxy.container.InstanceProxyContainer)ia;
}
}
public InstanceAdvisor getInstanceAdvisor()
{
synchronized(this)
{
if (instanceAdvisor == null)
{
org.jboss.aop.proxy.container.InstanceProxyContainer ipc = ((org.jboss.aop.proxy.container.ClassProxyContainer)currentAdvisor).createInstanceProxyContainer();
setInstanceAdvisor(ipc);
}
}
return instanceAdvisor;
}
public boolean equals(Object obj)
{
if (delegate != null)
{
if (obj != null && obj instanceof Delegate)
obj = ((Delegate) obj).getDelegate();
return delegate.equals(obj);
}
else
return super.equals(obj);
}
public int hashCode()
{
if (delegate != null)
return delegate.hashCode();
else
return super.hashCode();
}
public String toString()
{
if (delegate != null)
return delegate.toString() + " (proxied by " + this.getClass().getName() + "@" + Integer.toHexString(System.identityHashCode(this)) + ")";
else
return super.toString() + "(empty proxy of " + this.getClass().getSuperclass().getName() + ")";
}
// "{" +
// " if (delegate != null)" +
// " return delegate.toString() + \" (proxied by \" + this.getClass().getName() + \"@\" + java.lang.Integer.toHexString(java.lang.System.identityHashCode(this)) + \")\";" +
// " else" +
// " return super.toString() + \" (empty proxy of \" + this.getClass().getSuperclass().getName() + \")\";" +
// "}";
private void writeObject(java.io.ObjectOutputStream out) throws IOException
{
out.writeObject(delegate);
out.writeObject(mixins);
out.writeObject(metadata);
out.writeObject(classAdvisor.getClazz());
//TODO add support for the instance advisors
}
private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException
{
delegate = in.readObject();
mixins = (Object[])in.readObject();
metadata = (SimpleMetaData)in.readObject();
Class clazz = (Class)in.readObject();
AspectManager manager = AspectManager.getTopLevelAspectManager();
classAdvisor = manager.findAdvisor(clazz);
currentAdvisor = classAdvisor;
//TODO add support for instance advisors
}
}