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* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
* KIND, either express or implied. See the License for the *
* specific language governing permissions and limitations *
* under the License. *
****************************************************************/
package org.apache.james.util.io;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
import java.io.StreamCorruptedException;
/**
* A special ObjectInputStream to handle highly transient classes hosted
* by Avalon components that are juggling many classloaders.
*
* @author <a href="mailto:paul_hammant@yahoo.com">Paul Hammant</a>
* @version $Revision: 494012 $ $Date: 2007-01-08 11:23:58 +0100 (Mo, 08 Jan 2007) $
*/
public class ClassLoaderObjectInputStream
extends ObjectInputStream
{
private ClassLoader m_classLoader;
public ClassLoaderObjectInputStream( final ClassLoader classLoader,
final InputStream inputStream )
throws IOException, StreamCorruptedException
{
super( inputStream );
m_classLoader = classLoader;
}
protected Class resolveClass( final ObjectStreamClass objectStreamClass )
throws IOException, ClassNotFoundException
{
final Class clazz =
Class.forName( objectStreamClass.getName(), false, m_classLoader );
if( null != clazz )
{
return clazz; // the classloader knows of the class
}
else
{
// classloader knows not of class, let the super classloader do it
return super.resolveClass( objectStreamClass );
}
}
}
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