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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * Copyright 1997-2007 Sun Microsystems, Inc. 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.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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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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 * Header, with the fields enclosed by brackets [] replaced by your own
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
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 */

package com.sun.enterprise.tools.verifier.web;

import org.w3c.dom.NodeList;
import org.w3c.dom.Node;

/**
 * This is the descriptor class for the tag element of the taglib root element
 * for a .tld file used in a jsp.
 */
public class TagDescriptor {
    Node node;
    public static final String TAG_CLASS_NAME = "tag-class"; // NOI18N
    public static final String TAG_CLASS_1_1_NAME = "tagclass"; // NOI18N
    public static final String DYNAMIC_ATTRIB = "dynamic-attributes"; // NOI18N
    public static final String _FALSE = "false"; // NOI18N
    public static final String TAG_NAME = "name"; // NOI18N

    public TagDescriptor (Node n) {
        this.node=n;
    }

    /**
     * <tag-class>className<tag-class>
     * @return class name as String
     */
    public String getTagClass() {
        NodeList n1 = node.getChildNodes();
        String className = null;
        for (int k = 0; k < n1.getLength(); k++) {
            String name = n1.item(k).getNodeName();
            if (name == TAG_CLASS_NAME || name == TAG_CLASS_1_1_NAME) {
                className = n1.item(k).getFirstChild().getNodeValue();
            }
        }
        return className;
    }

    /**
     *
     * @return dynamic-attributes value defined for a tag
     */
    public String getDynamicAttributes() {
        NodeList n1 = node.getChildNodes();
        String dynAttr = _FALSE;
        for (int k = 0; k < n1.getLength(); k++) {
            String name = n1.item(k).getNodeName();
            if (name == DYNAMIC_ATTRIB) {
                dynAttr = n1.item(k).getFirstChild().getNodeValue();
            }
        }
        return dynAttr;
    }

    /**
     *
     * @return name of the tag
     */
    public String getTagName() {
        NodeList n1 = node.getChildNodes();
        String tagName = null;
        for (int k = 0; k < n1.getLength(); k++) {
            String name = n1.item(k).getNodeName();
            if (name == TAG_NAME) {
                 tagName = n1.item(k).getFirstChild().getNodeValue();
            }
        }
        return tagName;
    }
}