/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
package org.jacorb.notification.util;
import java.util.Map;
import java.util.WeakHashMap;
/**
* @author Alphonse Bendt
*/
public class WeakCacheWildcardMap implements WildcardMap
{
private final WildcardMap delegate_;
private final Map cache_ = new WeakHashMap();
public WeakCacheWildcardMap(WildcardMap delegate)
{
delegate_ = delegate;
}
public WeakCacheWildcardMap()
{
this(new DefaultWildcardMap());
}
public void clear()
{
delegate_.clear();
cache_.clear();
}
public Object getNoExpansion(Object key)
{
return delegate_.getNoExpansion(key);
}
public Object[] getWithExpansion(Object key)
{
Object[] result = (Object[]) cache_.get(key.toString());
if (result != null)
{
return result;
}
result = delegate_.getWithExpansion(key);
cache_.put(key.toString(), result);
return result;
}
public Object put(Object key, Object value)
{
cache_.remove(key.toString());
return delegate_.put(key, value);
}
public Object remove(Object key)
{
cache_.remove(key.toString());
return delegate_.remove(key);
}
}