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 *
 * Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
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 * 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
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package org.glassfish.ejb.deployment.node;

import java.util.HashMap;
import java.util.Map;

import org.glassfish.ejb.deployment.EjbTagNames;
import org.glassfish.ejb.deployment.descriptor.EjbBundleDescriptorImpl;
import org.glassfish.ejb.deployment.descriptor.RelationshipDescriptor;
import org.w3c.dom.Node;

import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.xml.TagNames;

/**
 * This class is responsible for handling the ejb-relationships xml element 
 *
 * @author  Jerome Dochez
 * @version 
 */
public class RelationshipsNode extends DeploymentDescriptorNode {

    public RelationshipsNode() {
        super();
        registerElementHandler(new XMLElement(EjbTagNames.EJB_RELATION),
                                                            EjbRelationNode.class);
    }

    @Override
    public Object getDescriptor() {
        return getParentNode().getDescriptor();
    }

    @Override
    public boolean endElement(XMLElement element) {
        return element.equals(getXMLRootTag());
    }

    @Override
    protected Map getDispatchTable() {
        // no need to be synchronized for now
        Map table =  new HashMap();
        table.put(EjbTagNames.DESCRIPTION, "setRelationshipsDescription");
        return table;
    }

    public Node writeDescriptor(Node parent, String nodeName, EjbBundleDescriptorImpl descriptor) {
        Node relationshipsNode = super.writeDescriptor(parent, nodeName, descriptor);
        appendTextChild(relationshipsNode, TagNames.DESCRIPTION, descriptor.getRelationshipsDescription()); 
        EjbRelationNode subNode = new EjbRelationNode();
        for (RelationshipDescriptor rd : descriptor.getRelationships()) {
            subNode.writeDescriptor(relationshipsNode, EjbTagNames.EJB_RELATION, rd);
        }
        return relationshipsNode;
    }
}