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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2007-2010 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://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
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 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
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 */

package com.sun.grizzly.cometd.bayeux;

import java.util.Iterator;
import java.util.Map;

/**
 * Bayeux extension element.
 *
 * @author Jeanfrancois Arcand
 */
public class Ext extends VerbBase{
    
    private Map extensionMap;
    
    public Ext() {
        type = Verb.Type.EXT;
    }

    
    public Map getExtensionMap() {
        return extensionMap;
    }

    
    public void setExtensionMap(Map extensionMap) {
        this.extensionMap = extensionMap;
    }

    @Override
    public boolean isValid() {
        return true;
    }
    
    public String toJSON() {        
        StringBuffer buf = new StringBuffer();
        Iterator iterator = extensionMap.keySet().iterator();
        String key;
        boolean first = true;
        while (iterator.hasNext()){
            if (!first){
                buf.append(",");
            }
            first = false;
            key = iterator.next();
            buf.append("\"" + key
                + "\":" + extensionMap.get(key));
        }
                
        return "\"ext\":{" 
                + buf.toString()
                + "}";         
    }

}