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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * 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.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
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 *
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 */

/*
 * AuthConstraintNode.java
 *
 * Created on March 1, 2002, 2:45 PM
 */

package org.glassfish.web.deployment.node;

import com.sun.enterprise.deployment.SecurityRoleDescriptor;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import org.glassfish.web.deployment.descriptor.AuthorizationConstraintImpl;
import org.glassfish.web.deployment.xml.WebTagNames;
import org.w3c.dom.Node;

import java.util.Enumeration;
import java.util.Map;

/**
 * This node contains the auth-constraint xml node
 *
 * @author  Jerome ochez
 * @version 
 */
public class AuthConstraintNode  extends DeploymentDescriptorNode {

    protected AuthorizationConstraintImpl descriptor = null;

    /**
     * @return the descriptor instance to associate with this XMLNode
     */
    @Override
    public AuthorizationConstraintImpl getDescriptor() {
        if (descriptor==null) {
            descriptor = new AuthorizationConstraintImpl();
        }
        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
     */
    @Override
    protected Map getDispatchTable() {    
        Map table = super.getDispatchTable();
        table.put(WebTagNames.ROLE_NAME, "addSecurityRole");
        return table;
    }
    
    /**
     * write the descriptor class to a DOM tree and return it
     *
     * @param parent node in the DOM tree 
     * @param nodeName node name for the root element of this xml fragment
     * @param descriptor the descriptor to write
     * @return the DOM tree top node
     */
    @Override
    public Node writeDescriptor(Node parent, String nodeName, AuthorizationConstraintImpl descriptor) {          
        Node myNode = appendChild(parent, nodeName);
        
        writeLocalizedDescriptions(myNode, descriptor);
        
        // role-name*
        for (Enumeration roles = descriptor.getSecurityRoles();roles.hasMoreElements();) {
            SecurityRoleDescriptor role = (SecurityRoleDescriptor) roles.nextElement();
            appendTextChild(myNode, WebTagNames.ROLE_NAME, role.getName());
        }
        return myNode;
    }
}