Package com.sun.enterprise.deployment.node.ejb

Source Code of com.sun.enterprise.deployment.node.ejb.SecurityIdentityNode

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

import java.util.Map;
import org.w3c.dom.Node;
import org.xml.sax.Attributes;

import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.DescriptorFactory;
import com.sun.enterprise.deployment.node.RunAsNode;

import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.xml.EjbTagNames;

/**
* This node handles all information relative to security-indentity tag
*
* @author  Jerome Dochez
* @version
*/
public class SecurityIdentityNode extends DeploymentDescriptorNode {
   
    /** Creates new SecurityIdentityNode */
    public SecurityIdentityNode() {
        super();       
        registerElementHandler(new XMLElement(EjbTagNames.RUNAS_SPECIFIED_IDENTITY), RunAsNode.class);
    }

    /**
     * @return the Descriptor subclass that was populated  by reading
     * the source XML file
     */
    public Object getDescriptor() {
        return null;
    }
   
    /**
     * 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() {
        return  null;
    }       

    public void startElement(XMLElement element, Attributes attributes) {
        if( EjbTagNames.USE_CALLER_IDENTITY.equals(element.getQName()) ) {
            ((EjbDescriptor) getParentNode().getDescriptor()).
                setUsesCallerIdentity(true);
        } else {
            super.startElement(element, attributes);
        }
        return;
    }
   
    /**
     * receives notiification 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 (EjbTagNames.DESCRIPTION.equals(element.getQName())) {
            ((EjbDescriptor) getParentNode().getDescriptor()).setSecurityIdentityDescription(value);
        } else {
            super.setElementValue(element, 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 for this DOM tree fragment
     * @param the descriptor to write
     * @return the DOM tree top node
     */
    public Node writeDescriptor(Node parent, String nodeName, EjbDescriptor descriptor) {   
        Node subNode = appendChild(parent, nodeName);
        appendTextChild(subNode, EjbTagNames.DESCRIPTION, descriptor.getSecurityIdentityDescription());
        if (descriptor.getUsesCallerIdentity()) {
            Node useCaller = subNode.getOwnerDocument().createElement(EjbTagNames.USE_CALLER_IDENTITY);
            subNode.appendChild(useCaller);
        } else {
            RunAsNode runAs = new RunAsNode();
            runAs.writeDescriptor(subNode, EjbTagNames.RUNAS_SPECIFIED_IDENTITY, descriptor.getRunAsIdentity());
        }
    return subNode;
    }
}
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