Java XML Attribute from Node parseAttributesTag(Node n)

Here you can find the source of parseAttributesTag(Node n)

Description

This method parse an Attributes tag, DTD for Attribute is as follows.

License

Open Source License

Parameter

Parameter Description
n Node

Return

Set Set of the attribute names

Declaration

public static Set parseAttributesTag(Node n) 

Method Source Code

//package com.java2s;
/**/*from   w  w w.j a  va2s  . c  om*/
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: XMLUtils.java,v 1.15 2009-10-19 18:19:20 asyhuang Exp $
 *
 */

import java.util.HashSet;

import java.util.Set;

import org.w3c.dom.Element;

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

public class Main {
    /**
     * This method parse an Attributes tag, DTD for Attribute is as follows.
     * 
     * <pre>
     *  &lt; !-- This DTD defines the DPro Attribute tag.
     *    Unique Declaration name for DOCTYPE tag:
     *    &quot;Directory Pro 5.0 Attributes DTD&quot;
     *  --&gt;
     *  &lt; !ELEMENT Attributes (Attribute)+&gt;
     *  &lt; !ELEMENT Attribute EMPTY&gt;
     *  &lt; !ATTLIST Attribute
     *       name    NMTOKEN         #REQUIRED
     *  &gt;
     * </pre>
     * 
     * @param n
     *            Node
     * @return Set Set of the attribute names
     */
    public static Set parseAttributesTag(Node n) {
        // get Attribute node list
        NodeList attributes = n.getChildNodes();
        final int numAttributes = attributes.getLength();

        if (numAttributes == 0) {
            return null;
        }

        Set set = new HashSet();
        for (int l = 0; l < numAttributes; l++) {
            // get next attribute
            Node attr = attributes.item(l);
            if ((attr.getNodeType() != Node.ELEMENT_NODE) && !attr.getNodeName().equals("Attribute")) {
                // need error handling
                continue;
            }

            set.add(((Element) attr).getAttribute("name"));
        }
        return set;
    }

    public static Set getChildNodes(Node parentNode, String childName) {
        Set retVal = new HashSet();
        NodeList children = parentNode.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node.getNodeName().equalsIgnoreCase(childName)) {
                retVal.add(node);
            }
        }
        return (retVal);
    }
}

Related

  1. hasAttribByName(Element node, String name)
  2. parseAttribute(Node lnNode, String attributeName)
  3. parseAttribute(NodeList abtList)
  4. parseAttributes(Node n)
  5. parseAttributes(Node node)
  6. xmlGetAttribute(Node node, String attrname)
  7. xmlGetAttribute2(Node node, String attrname)