Find Node : DOM Node « XML « Java

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Java » XML » DOM NodeScreenshots 
Find Node
 


/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
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 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 
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 * information on the Apache Software Foundation, please see
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 */

import java.io.File;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

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

/**
 
 @author Abey Mullassery
 
 */


public class Main {


  public static Node findNode(
      Node root,
      String elementName,
      boolean deep,
      boolean elementsOnly) {
      //Check to see if root has any children if not return null
      if (!(root.hasChildNodes()))
        return null;

      //Root has children, so continue searching for them
      Node matchingNode = null;
      String nodeName = null;
      Node child = null;

      NodeList childNodes = root.getChildNodes();
      int noChildren = childNodes.getLength();
      for (int i = 0; i < noChildren; i++) {
        if (matchingNode == null) {
          child = childNodes.item(i);
          nodeName = child.getNodeName();
          if ((nodeName != null(nodeName.equals(elementName)))
            return child;
          if (deep)
            matchingNode =
              findNode(child, elementName, deep, elementsOnly);
        else
          break;
      }

      if (!elementsOnly) {
        NamedNodeMap childAttrs = root.getAttributes();
        noChildren = childAttrs.getLength();
        for (int i = 0; i < noChildren; i++) {
          if (matchingNode == null) {
            child = childAttrs.item(i);
            nodeName = child.getNodeName();
            if ((nodeName != null(nodeName.equals(elementName)))
              return child;
          else
            break;
        }
      }
      return matchingNode;
    }

}

   
  
Related examples in the same category
1. DOM Node query
2. Getting Elements with DOM
3. Getting Attributes with DOM
4. Getting the Root Element in a DOM Document
5. Getting a Node Relative to Another Node in a DOM Document
6. Verbose DOM Parser
7. Getting the Notations in a DOM Document
8. Getting the Declared Entities in a DOM Document
9. Use DOM parser to deal with XML document with attributes
10. List an XML document with DOM parser
11. Removing All the Attributes in a DOM Element
12. Listing All the Attributes of a DOM Element
13. Adding and Removing an Attribute in a DOM Element
14. Getting and Setting an Attribute in a DOM Element
15. Changing the Name of a DOM Element
16. Visiting All the Elements in a DOM Document
17. Remove all attributes by first making a copy of the attribute names and then using the list to remove the attributes:
18. Removing a Node from a DOM Document
19. Remove All nodes
20. Getting a DOM Element by Id
21. Determining If an Attribute Was Supplied in a DOM Element
22. DOM serializer
23. Add a text node to the element
24. Add a text node to the beginning of the element
25. Add a text node before the last child of the element
26. Add another element after the first child of the root element
27. Add a text node in front of the new item element
28. Adding a CDATA Section to a DOM Document
29. Accessing attributes of an element
30. Get the W3C NodeList instance associated with the XPath selection supplied
31. Get the W3C Node instance associated with the XPath selection supplied
32. Convert Hashtable to a Node
33. Convert NodeList To Node Array
34. Find the first text descendent node of an element
35. Returns a Properties object matching the given node
36. Returns a list of value for the given node
37. Returns the value of the attribute of the given element
38. Returns the value of the child node with the given name
39. Returns the value of the given node
40. Simplified implementation of a Node from a Document Object Model (DOM)
41. Extract all text children of an element
42. Extract the textual content from a Node.
43. Returns a first child DOM Node of type ELEMENT_NODE for the specified Node
44. Remove this node from its parent.
45. Set or replace the text value
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