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Utility classes for Jetty
//========================================================================
//$Id: AttributesMap.java,v 1.3 2005/11/14 17:45:52 gregwilkins Exp $
//Copyright 2004-2005 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed 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.mortbay.util;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
/* ------------------------------------------------------------ */
/** AttributesMap.
* @author gregw
*
*/
public class AttributesMap implements Attributes
{
Map _map;
/* ------------------------------------------------------------ */
public AttributesMap()
{
_map=new HashMap();
}
/* ------------------------------------------------------------ */
public AttributesMap(Map map)
{
_map=map;
}
/* ------------------------------------------------------------ */
/*
* @see org.mortbay.util.Attributes#removeAttribute(java.lang.String)
*/
public void removeAttribute(String name)
{
_map.remove(name);
}
/* ------------------------------------------------------------ */
/*
* @see org.mortbay.util.Attributes#setAttribute(java.lang.String, java.lang.Object)
*/
public void setAttribute(String name, Object attribute)
{
if (attribute==null)
_map.remove(name);
else
_map.put(name, attribute);
}
/* ------------------------------------------------------------ */
/*
* @see org.mortbay.util.Attributes#getAttribute(java.lang.String)
*/
public Object getAttribute(String name)
{
return _map.get(name);
}
/* ------------------------------------------------------------ */
/*
* @see org.mortbay.util.Attributes#getAttributeNames()
*/
public Enumeration getAttributeNames()
{
return Collections.enumeration(_map.keySet());
}
/* ------------------------------------------------------------ */
/*
* @see org.mortbay.util.Attributes#getAttributeNames()
*/
public static Enumeration getAttributeNamesCopy(Attributes attrs)
{
if (attrs instanceof AttributesMap)
return Collections.enumeration(((AttributesMap)attrs)._map.keySet());
ArrayList names = new ArrayList();
Enumeration e = attrs.getAttributeNames();
while (e.hasMoreElements())
names.add(e.nextElement());
return Collections.enumeration(names);
}
/* ------------------------------------------------------------ */
/*
* @see org.mortbay.util.Attributes#clear()
*/
public void clearAttributes()
{
_map.clear();
}
/* ------------------------------------------------------------ */
public String toString()
{
return _map.toString();
}
}