Returns the value of the child node with the given name : Node « XML « Java Tutorial

1. Java Tutorial
2. XML
3. Node

/**
 * EasyBeans
 * Copyright (C) 2006 Bull S.A.S.
 * Contact: easybeans@ow2.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *
 * --------------------------------------------------------------------------
 * $Id: XMLUtils.java 2049 2007-11-20 14:32:56Z benoitf $
 * --------------------------------------------------------------------------
 */


import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

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

/**
 * Class with some useful methods on XML document.
 */
public final class XMLUtils {
  /**
   * Returns the value of the child node with the given name.
   * @param base the element from where to search.
   * @param name of the element to get.
   * @return the value of this element.
   */
  public static String getChildStringValueForElement(final Element base, final String name) {
      String value = null;
      NodeList nodeList = base.getChildNodes();
      if (nodeList.getLength() > 0) {
          int length = nodeList.getLength();
          for (int i = 0; i < length; i++) {
              Node node = nodeList.item(i);

              // Get an element, create an instance of the element
              if (Node.ELEMENT_NODE == node.getNodeType()) {
                  if (name.equals(node.getNodeName())) {
                      // Get value of this child
                      Node elNode = ((Element) node).getFirstChild();
                      if (elNode != null) {
                          value = elNode.getNodeValue();
                          break;
                      }
                  }
              }
          }
      }
      return value;
  }
}