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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * 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.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
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package com.sun.enterprise.deployment.node.ejb;

import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.w3c.dom.Node;

import com.sun.enterprise.deployment.LifecycleCallbackDescriptor;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.xml.EjbTagNames;
import com.sun.enterprise.deployment.EjbInterceptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.Descriptor;


/**
 * This node handles all information relative to injection-complete xml tag
 */
public class AroundInvokeNode extends DeploymentDescriptorNode {

    private LifecycleCallbackDescriptor descriptor;
    
   /**
    * @return the descriptor instance to associate with this XMLNode
    */       
    public Object getDescriptor() {
        
       if (descriptor==null) {
            descriptor = new LifecycleCallbackDescriptor();
            Descriptor parentDesc = 
                (Descriptor)getParentNode().getDescriptor();
            if (parentDesc instanceof EjbDescriptor) {
                EjbDescriptor ejbDesc = (EjbDescriptor)parentDesc;
                descriptor.setDefaultLifecycleCallbackClass(
                    ejbDesc.getEjbClassName());
            } else if (parentDesc instanceof EjbInterceptor) {
                EjbInterceptor ejbInterceptor = 
                    (EjbInterceptor)parentDesc;
                descriptor.setDefaultLifecycleCallbackClass(
                    ejbInterceptor.getInterceptorClassName());
            } 
        }
        return descriptor;
    }    
    
    /**
     * all sub-implementation of this class can use a dispatch table to map xml element to
     * method name on the descriptor class for setting the element value. 
     *  
     * @return the map with the element name as a key, the setter method as a value
     */    
    protected Map getDispatchTable() {
        Map table = super.getDispatchTable();
        table.put(EjbTagNames.AROUND_INVOKE_CLASS_NAME, 
            "setLifecycleCallbackClass");
        table.put(EjbTagNames.AROUND_INVOKE_METHOD_NAME, 
            "setLifecycleCallbackMethod");
        return table;
    }    
    
    /**
     * 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, LifecycleCallbackDescriptor descriptor) {
        Node myNode = appendChild(parent, nodeName);
        appendTextChild(myNode, EjbTagNames.AROUND_INVOKE_CLASS_NAME, 
            descriptor.getLifecycleCallbackClass());                        
        appendTextChild(myNode, EjbTagNames.AROUND_INVOKE_METHOD_NAME, 
            descriptor.getLifecycleCallbackMethod());                        
        return myNode;
    }
}