/*
* 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.classpool.base;
import java.net.URI;
import java.net.URL;
import javassist.ClassPool;
import org.jboss.classpool.spi.AbstractClassPool;
/**
*
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
* @version $Revision: 97905 $
*/
abstract class AbstractIsLocalResourcePlugin implements IsLocalResourcePlugin
{
private final BaseClassPool pool;
public AbstractIsLocalResourcePlugin(BaseClassPool pool)
{
this.pool = pool;
initialise();
}
protected void initialise()
{
}
protected AbstractClassPool getPool()
{
return pool;
}
/**
* Checks if the resource can be found in the parent classpool's loader
* and returns true if it either does not exist in the parent or if
* the parent has a different URL for the resource
*/
protected boolean isSameInParent(String classResourceName, URL foundURL)
{
ClassPool parent = pool.getParent();
if (parent != null)
{
ClassLoader parentLoader = parent.getClassLoader();
URL parentURL = parentLoader.getResource(classResourceName);
if (parentURL == null)
{
return false;
}
URI parentURI = URI.create(parentURL.toString());
URI foundURI = URI.create(foundURL.toString());
if (parentURI.equals(foundURI))
{
return true;
}
}
return false;
}
}