Java XML Attribute Get getAttribute(Node aNode, String attributeName)

Description

Returns the value of the named attribute from the given XML node or null if no such attribute exists.

License

Open Source License

Parameter

Parameter	Description
aNode	a XML node
attributeName	the attribute's name

Return

the value of the named attribute or null

Declaration

public static String getAttribute(Node aNode, String attributeName) 

Method Source Code

//package com.java2s;
/*/*www.j  a v  a2s.co  m*/
 * The MIT License (MIT)
 * 
 * Copyright (c) 2010 Technische Universitaet Berlin
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    /**
     * Returns the value of the named attribute from the given XML node or <code>null</code>
     * if no such attribute exists.
     * @param aNode a XML node
     * @param attributeName the attribute's name
     * @return the value of the named attribute or <code>null</code>
     */
    public static String getAttribute(Node aNode, String attributeName) {
        NamedNodeMap attributes = aNode.getAttributes();
        if (attributes == null)
            return null;
        Node n = attributes.getNamedItem(attributeName);
        if (n == null)
            return null;
        return n.getNodeValue();
    }
}

Related

1. getAttribute(final Node node, final String name)
2. getAttribute(final Node xml, final String namespaceURI, final String localName)
3. getAttribute(NamedNodeMap map, String name)
4. getAttribute(NamedNodeMap namedNodeMap, String name)
5. getAttribute(NamedNodeMap ruleAttributes, String attributeName)
6. getAttribute(Node attrNode)
7. getAttribute(Node currentNode, String attributeName)
8. getAttribute(Node element, String attName)
9. getAttribute(Node element, String name, String dflt)