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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
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package com.sun.enterprise.deployment.node.runtime;

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

import com.sun.enterprise.deployment.ResourceEnvReferenceDescriptor;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.types.ResourceEnvReferenceContainer;
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
 * resource-env-ref tag
 *
 * @author  Jerome Dochez
 * @version 
 */
public class ResourceEnvRefNode extends DeploymentDescriptorNode {

    private ResourceEnvReferenceDescriptor descriptor;

    @Override
    public ResourceEnvReferenceDescriptor getDescriptor() {
        if (descriptor == null) descriptor = new ResourceEnvReferenceDescriptor();
        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.RESOURCE_ENV_REFERENCE_NAME.equals(element.getQName())) {
            Object parentDesc = getParentNode().getDescriptor();
            if (parentDesc instanceof ResourceEnvReferenceContainer) {
                try {
                    descriptor = ((ResourceEnvReferenceContainer) parentDesc).getResourceEnvReferenceByName(value);
                } catch (IllegalArgumentException iae) {
                    DOLUtils.getDefaultLogger().warning(iae.getMessage());
                }
            }
        } else super.setElementValue(element, value);
    }

    @Override
    public Node writeDescriptor(Node parent, String nodeName, ResourceEnvReferenceDescriptor ejbRef) {
        Node resRefNode = super.writeDescriptor(parent, nodeName, ejbRef);
        appendTextChild(resRefNode, TagNames.RESOURCE_ENV_REFERENCE_NAME, ejbRef.getName());
        appendTextChild(resRefNode, RuntimeTagNames.JNDI_NAME, ejbRef.getJndiName());
        return resRefNode;
    }

    /**
     * writes all the runtime information for resource environment references
     * 
     * @param parent node to add the runtime xml info
     * @param the J2EE component containing ejb references
     */        
    public static void writeResoureEnvReferences(Node parent, ResourceEnvReferenceContainer descriptor) {
        // resource-env-ref*
        Iterator resRefs = descriptor.getResourceEnvReferenceDescriptors().iterator();
        if (resRefs.hasNext()) {
            ResourceEnvRefNode resourceEnvRefNode = new ResourceEnvRefNode();
            while (resRefs.hasNext()) {
                resourceEnvRefNode.writeDescriptor(parent, TagNames.RESOURCE_ENV_REFERENCE, 
                    (ResourceEnvReferenceDescriptor) resRefs.next());
            }
        }
    }

}