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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.annotations;
import java.util.List;
import org.eclipse.jetty.annotations.AnnotationParser.ClassHandler;
import org.eclipse.jetty.util.MultiMap;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
/**
* ClassInheritanceHandler
*
* As asm scans for classes, remember the type hierarchy.
*/
public class ClassInheritanceHandler implements ClassHandler
{
private static final Logger LOG = Log.getLogger(ClassInheritanceHandler.class);
MultiMap _inheritanceMap = new MultiMap();
public ClassInheritanceHandler()
{
}
public void handle(String className, int version, int access, String signature, String superName, String[] interfaces)
{
try
{
for (int i=0; interfaces != null && i<interfaces.length;i++)
{
_inheritanceMap.add (interfaces[i], className);
}
//To save memory, we don't record classes that only extend Object, as that can be assumed
if (!"java.lang.Object".equals(superName))
_inheritanceMap.add(superName, className);
}
catch (Exception e)
{
LOG.warn(e);
}
}
public List getClassNamesExtendingOrImplementing (String className)
{
return _inheritanceMap.getValues(className);
}
public MultiMap getMap ()
{
return _inheritanceMap;
}
}
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