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Jetty example source code file (AttributesMap.java)

This example Jetty source code file (AttributesMap.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Jetty tags/keywords

arraylist, arraylist, attributes, attributesmap, attributesmap, enumeration, enumeration, hashmap, map, object, object, string, util

The Jetty AttributesMap.java source code

//========================================================================
//$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();
    }
    

}

Other Jetty examples (source code examples)

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