PropertiesNode.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 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"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

/*
 * PropertiesNode.java
 *
 * Created on March 24, 2003, 12:39 PM
 */

package com.sun.enterprise.deployment.node;

import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import com.sun.enterprise.deployment.xml.TagNames;
import org.w3c.dom.Node;

import java.util.Enumeration;
import java.util.Properties;

/**
 * This node is responsible for handling property (name, value) 
 * DTD elements to java.util.Properties mapping
 *
 * @author  Jerome Dochez
 */
public class PropertiesNode extends DeploymentDescriptorNode {
    
    private String name=null;
    private Properties descriptor= new Properties();
   
   /**
    * @return the descriptor instance to associate with this XMLNode
    */      
    public Object getDescriptor() {
        return descriptor;
    }
 
    /**
     * receives notification of the value for a particular tag
     * 
     * @param element the xml element
     * @param value it's associated value
     */
    public void setElementValue(XMLElement element, String value) {
        if (TagNames.NAME_VALUE_PAIR_NAME.equals(element.getQName())) {
            name = value;
        } else if (TagNames.NAME_VALUE_PAIR_VALUE.equals(element.getQName())) {
            descriptor.put(name, value);
        }
    }
    
    
    /**
     * write the descriptor class to a DOM tree and return it
     *
     * @param parent node in the DOM tree 
     * @param node name for the root element of this xml fragment      
     * @param the descriptor to write
     * @return the DOM tree top node
     */
    public Node writeDescriptor(Node parent, String nodeName, Properties descriptor) {
        
        Node propertiesNode = super.appendChild(parent, nodeName);
        for (Enumeration keys = descriptor.propertyNames(); keys.hasMoreElements();) {  
            Node aProperty = this.appendChild(propertiesNode, RuntimeTagNames.PROPERTY);
            String key = (String) keys.nextElement();
            appendTextChild(aProperty, TagNames.NAME_VALUE_PAIR_NAME, key);
            appendTextChild(aProperty, TagNames.NAME_VALUE_PAIR_VALUE, 
                        descriptor.getProperty(key));        
        }
        return propertiesNode;
    }
}