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/*
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 *
 * Copyright (c) 1997-2012 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.
 *
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 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 *
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package com.sun.enterprise.deployment.node.runtime;

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

import com.sun.enterprise.deployment.MessageDestinationReferenceDescriptor;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.XMLNode;
import com.sun.enterprise.deployment.types.MessageDestinationReferenceContainer;
import com.sun.enterprise.deployment.util.DOLUtils;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import com.sun.enterprise.deployment.xml.TagNames;
import org.w3c.dom.Node;

/**
 * This node is responsible for handling runtime descriptor
 * message-destination-ref tag
 *
 */
public class MessageDestinationRefNode extends DeploymentDescriptorNode {

    private MessageDestinationReferenceDescriptor descriptor;

    @Override
    public MessageDestinationReferenceDescriptor getDescriptor() {
        if (descriptor == null) descriptor = new MessageDestinationReferenceDescriptor();
        return descriptor;
    }

    @Override
    protected Map getDispatchTable() {    
        Map table = super.getDispatchTable();
        table.put(RuntimeTagNames.JNDI_NAME, "setJndiName");
        return table;
    }

    @Override
    public void setElementValue(XMLElement element, String value) {
        if (TagNames.MESSAGE_DESTINATION_REFERENCE_NAME.equals(element.getQName())) {
            XMLNode parentNode = getParentNode();
            Object parentDesc = null;
            // in case of web
            if (parentNode.getDescriptor() instanceof WebBundleDescriptor) {
                parentDesc = parentNode.getDescriptor();
            // in case of appclient and ejb
            } else {
                parentDesc = getParentNode().getDescriptor();
            }

            if (parentDesc instanceof MessageDestinationReferenceContainer) {
                try {
                    descriptor = ((MessageDestinationReferenceContainer) parentDesc).getMessageDestinationReferenceByName(value);
                } catch (IllegalArgumentException iae) {
                    DOLUtils.getDefaultLogger().warning(iae.getMessage());
                }

            }
        } else super.setElementValue(element, value);
    }

    @Override
    public Node writeDescriptor(Node parent, String nodeName, 
        MessageDestinationReferenceDescriptor msgDestRef) {          
        Node msgDestRefNode = super.writeDescriptor(parent, nodeName, msgDestRef);
        appendTextChild(msgDestRefNode, 
            RuntimeTagNames.MESSAGE_DESTINATION_REFERENCE_NAME, 
            msgDestRef.getName());
        appendTextChild(msgDestRefNode, RuntimeTagNames.JNDI_NAME, 
            msgDestRef.getJndiName());
        return msgDestRefNode;
    }  
    
    /**
     * writes all the runtime information for JMS destination references
     * 
     * @param parent node to add the runtime xml info
     * @param the J2EE component containing message destination references
     */        
    public static void writeMessageDestinationReferences(Node parent, 
        MessageDestinationReferenceContainer descriptor) {
        // message-destination-ref*
        Iterator msgDestRefs = 
            descriptor.getMessageDestinationReferenceDescriptors().iterator();
        if (msgDestRefs.hasNext()) {
            MessageDestinationRefNode messageDestinationRefNode = 
                new MessageDestinationRefNode();
            while (msgDestRefs.hasNext()) {
                messageDestinationRefNode.writeDescriptor(parent, 
                    TagNames.MESSAGE_DESTINATION_REFERENCE, 
                    (MessageDestinationReferenceDescriptor) msgDestRefs.next());
            }
        }       
    }
}