DOM Node query : DOM Node « XML « Java






  1. Java
  2. XML
  3. DOM Node

DOM Node query

         

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

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

public class MainClass {
  static public void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.parse("y.xml");

    NodeList configs = doc.getElementsByTagName("C");
    for (int i = 0; i < configs.getLength(); i++) {
      Element config = (Element) configs.item(i);
      String runMode = config.getAttribute("r").trim();
      if (runMode.equals("test")) {
        NodeList connectionURLs = config.getElementsByTagName("URL");
        System.out.println(connectionURLs.item(0).getNodeName() + "="
            + connectionURLs.item(0).getFirstChild().getNodeValue());
        return;
      }
    }
  }
}








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11.Listing All the Attributes of a DOM Element
12.Adding and Removing an Attribute in a DOM Element
13.Getting and Setting an Attribute in a DOM Element
14.Changing the Name of a DOM Element
15.Visiting All the Elements in a DOM Document
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17.Removing a Node from a DOM Document
18.Remove All nodes
19.Getting a DOM Element by Id
20.Determining If an Attribute Was Supplied in a DOM Element
21.DOM serializer
22.Add a text node to the element
23.Add a text node to the beginning of the element
24.Add a text node before the last child of the element
25.Add another element after the first child of the root element
26.Add a text node in front of the new item element
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30.Get the W3C Node instance associated with the XPath selection supplied
31.Convert Hashtable to a Node
32.Convert NodeList To Node Array
33.Find the first text descendent node of an element
34.Returns a Properties object matching the given node
35.Returns a list of value for the given node
36.Returns the value of the attribute of the given element
37.Returns the value of the child node with the given name
38.Returns the value of the given node
39.Simplified implementation of a Node from a Document Object Model (DOM)
40.Extract all text children of an element
41.Extract the textual content from a Node.
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
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50.NodeList to List
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53.Get text value by tag name
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