Extract the textual content from a Node. : DOM Node « XML « Java






  1. Java
  2. XML
  3. DOM Node

Extract the textual content from a Node.

   


import org.w3c.dom.CharacterData;
import org.w3c.dom.Comment;
import org.w3c.dom.EntityReference;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * Various utilities to make up for the fact that DOM isn't as useful as it
 * could be.
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
public class DomUtil
{
    /**
     * Extract the textual content from a Node.
     * This is rather like the XPath value of a Node.
     * @param node The node to extract the text from
     * @return The textual value of the node
     */
    public static String getText(Node node)
    {
        StringBuffer reply = new StringBuffer();

        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++)
        {
            Node child = children.item(i);

            if ((child instanceof CharacterData && !(child instanceof Comment)) || child instanceof EntityReference)
            {
                reply.append(child.getNodeValue());
            }
            else if (child.getNodeType() == Node.ELEMENT_NODE)
            {
                reply.append(getText(child));
            }
        }

        return reply.toString();
    }
}








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.Returns a first child DOM Node of type ELEMENT_NODE for the specified Node
43.Remove this node from its parent.
44.Find Node
45.Set or replace the text value
46.Gets the first child element of a node.
47.Gets the last child element of a node.
48.Gets the next sibling of a node that is an element.
49.Gets the first element with the specified qualified name that is descendant of e.
50.NodeList to List
51.Get Text from Node
52.Get text value from Node
53.Get text value by tag name
54.Wrap Node List to Collection