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This module contains the Metro runtime code.
There is a newer version: 4.0.4
/*
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 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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 * file and include the License file at LICENSE.txt.
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 * GPL Classpath Exception:
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 * file that accompanied this code.
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 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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package com.sun.xml.wss.impl.dsig;

import com.sun.xml.wss.impl.MessageConstants;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.xml.namespace.NamespaceContext;

/**
 * Implements NamespaceContext .
 *
 * TODO : Performance Improvements.
 */
public class NamespaceContextImpl implements NamespaceContext{
    
    HashMap namespaceMap = null;
    
    public NamespaceContextImpl(){
        namespaceMap = new HashMap(10);
        this.add("SOAP-ENV","http://schemas.xmlsoap.org/soap/envelope/" );
        this.add("env","http://schemas.xmlsoap.org/soap/envelope/" );
        this.add("ds", MessageConstants.DSIG_NS);
        this.add("xenc", MessageConstants.XENC_NS);        
        this.add("wsse", MessageConstants.WSSE_NS);
        this.add("wsu", MessageConstants.WSU_NS);
        this.add("saml", MessageConstants.SAML_v1_0_NS);
        this.add("S11","http://schemas.xmlsoap.org/soap/envelope/" );
        this.add("S12","http://www.w3.org/2003/05/soap-envelope" );
    }
    
    /**
     * Add prefix and namespaceuri to be associated with the prefix.
     * @param prefix Namespace Prefix
     * @param uri NamespaceURI
     */
    @SuppressWarnings("unchecked")
    public void add(String prefix,String uri){
        namespaceMap.put(prefix,uri);
        
    }
    /**
     *
     * @param prefix
     * @return
     */
    public String getNamespaceURI(String prefix) {
        return	(String)namespaceMap.get(prefix);
    }
    
    /**
     *
     * @param namespaceURI
     * @return NamespaceURI associated with the prefix
     */
    public String getPrefix(String namespaceURI) {
        Iterator iterator = namespaceMap.keySet().iterator();
        while(iterator.hasNext()){
            String prefix = (String)iterator.next();
            String uri = (String)namespaceMap.get(prefix);
            if(namespaceURI.equals(uri))
                return prefix;
            
        }
        return null;
    }
    
    /**
     *
     * @param namespaceURI
     * @return Iterator to list of prefixes associated with the namespaceURI
     */
    @SuppressWarnings("unchecked")
    public Iterator getPrefixes(String namespaceURI) {
        
        ArrayList prefixList = new ArrayList();
        Iterator iterator = namespaceMap.keySet().iterator();
        while(iterator.hasNext()){
            String prefix = (String)iterator.next();
            
            String uri = (String)namespaceMap.get(prefix);
            
            if(namespaceURI.equals(uri)){
                prefixList.add(prefix);
            }
        }
        return  prefixList.iterator();
    }
    
    public Map getMap(){
        return namespaceMap;
    }
}