Java XML Node Select selectNodeByName(Node node, String nodeName)

Description

Method selectNodeByName.

License

Open Source License

Parameter

Parameter	Description
node	a parameter
nodeName	a parameter

Return

Node

Purpose: given a node & tag name, returns a single node that matches. Useful when it is known that a particular node will only have a single node of a particular tag name.

Declaration

public static Node selectNodeByName(Node node, String nodeName)

Method Source Code

//package com.java2s;
/*/* www  .j  a v  a  2  s  .c  om*/
 * XMLUtility.java  2/6/13 1:04 PM
 *
 * Copyright (C) 2012-2013 Nick Ma
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

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

public class Main {
    /**
     * Method selectNodeByName.
     *
     * @param node
     * @param nodeName
     * @return Node
     *         <p/>
     *         Purpose: given a node & tag name, returns a single node that matches.
     *         Useful when it is known that a particular node will only have a single
     *         node of a particular tag name.
     */
    public static Node selectNodeByName(Node node, String nodeName) {
        Node nodeToReturn = null;
        int i = 0;
        // get all the child nodes
        NodeList currNodes = node.getChildNodes();
        int length = currNodes.getLength();
        // search for an occurence that matches nodeName provided
        while ((i < length) && (nodeToReturn == null)) {
            Node thisNode = currNodes.item(i);
            if (thisNode.getNodeName().equals(nodeName)) {
                nodeToReturn = thisNode;
            }
            i++;
        }
        return nodeToReturn;
    }
}