namespacecontextimpl.java

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/*
 *  Copyright (c) 2001 Sun Microsystems, Inc.  All rights
 *  reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in
 *  the documentation and/or other materials provided with the
 *  distribution.
 *
 *  3. The end-user documentation included with the redistribution,
 *  if any, must include the following acknowledgment:
 *  "This product includes software developed by the
 *  Sun Microsystems, Inc. for Project JXTA."
 *  Alternately, this acknowledgment may appear in the software itself,
 *  if and wherever such third-party acknowledgments normally appear.
 *
 *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *  must not be used to endorse or promote products derived from this
 *  software without prior written permission. For written
 *  permission, please contact Project JXTA at http://www.jxta.org.
 *
 *  5. Products derived from this software may not be called "JXTA",
 *  nor may "JXTA" appear in their name, without prior written
 *  permission of Sun.
 *
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *  ====================================================================
 *
 *  This software consists of voluntary contributions made by many
 *  individuals on behalf of Project JXTA.  For more
 *  information on Project JXTA, please see
 *  <http://www.jxta.org/>.
 *
 *  This license is based on the BSD license adopted by the Apache Foundation.
 *
 *  $Id: NamespaceContextImpl.java,v 1.1 2006/06/13 07:02:31 nano Exp $
 */

//package net.java.netbeams.protocol;
package net.jxta.myjxta.misc.beam;

// xxx: gonzo, 1.5 goodness
//import javax.xml.namespace.NamespaceContext;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;


public class NamespaceContextImpl { // xxx: gonzo, 1.5 goodness implements NamespaceContext {
    private Map map;

    public NamespaceContextImpl() {
        map = new HashMap();
    }

    public NamespaceContextImpl(String newPrefix, String newNamespaceURI) {
        map = new HashMap();
        setNamespace(newPrefix, newNamespaceURI);
    }

    public void setNamespace(String prefix, String namespaceURI) {
        map.put(prefix, namespaceURI);
    }

    public String getNamespaceURI(String prefix) {
        return (String) map.get(prefix);
    }

    public String getPrefix(String namespaceURI) {
        Set keys = map.keySet();
        for (Iterator iterator = keys.iterator(); iterator.hasNext();) {
            String prefix = (String) iterator.next();
            String uri = (String) map.get(prefix);
            if (uri.equals(namespaceURI)) return prefix;
        }
        return null;
    }

    public Iterator getPrefixes(String namespaceURI) {
        List prefixes = new ArrayList();
        Set keys = map.keySet();
        for (Iterator iterator = keys.iterator(); iterator.hasNext();) {
            String prefix = (String) iterator.next();
            String uri = (String) map.get(prefix);
            if (uri.equals(namespaceURI)) prefixes.add(prefix);
        }
        return prefixes.iterator();
    }
}