List an XML document with DOM parser : DOM Node « XML « Java






  1. Java
  2. XML
  3. DOM Node

List an XML document with DOM parser

         

import java.io.File;

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

import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

public class MainClass implements ErrorHandler {
  public static void main(String args[]) throws Exception {
    DocumentBuilderFactory builderFactory = DocumentBuilderFactory
        .newInstance();
    builderFactory.setNamespaceAware(true);
    builderFactory.setValidating(true);

    DocumentBuilder builder = null;
    builder = builderFactory.newDocumentBuilder();
    builder.setErrorHandler(new MainClass());
    Document xmlDoc = null;

    xmlDoc = builder.parse(new File("y.xml"));
    DocumentType doctype = xmlDoc.getDoctype();
    System.out.println("DOCTYPE node:\n" + doctype);
    listNodes(xmlDoc.getDocumentElement(), "");
  }

  static void listNodes(Node node, String indent) {
    String nodeName = node.getNodeName();
    System.out.println(indent + nodeName + " Node, type is "
        + node.getClass().getName() + ":");
    System.out.println(indent + " " + node);

    NodeList list = node.getChildNodes();
    if (list.getLength() > 0) {
      System.out.println(indent + "Child Nodes of " + nodeName + " are:");
      for (int i = 0; i < list.getLength(); i++)
        listNodes(list.item(i), indent + " ");
    }
  }

  public void fatalError(SAXParseException spe) throws SAXException {
    System.out.println("Fatal error at line " + spe.getLineNumber());
    System.out.println(spe.getMessage());
    throw spe;
  }

  public void warning(SAXParseException spe) {
    System.out.println("Warning at line " + spe.getLineNumber());
    System.out.println(spe.getMessage());
  }

  public void error(SAXParseException spe) {
    System.out.println("Error at line " + spe.getLineNumber());
    System.out.println(spe.getMessage());
  }
}
<?xml version="1.0"?>
<!DOCTYPE address SYSTEM "AddressDoc.dtd">
<address>
  <buildingnumber> 29 </buildingnumber>
  <street> South Lasalle Street</street>
  <city>Chicago</city>
  <state>Illinois</state>
  <zip>60603</zip>
</address>



<!ELEMENT address (buildingnumber, street, city, state, zip)>
<!ELEMENT buildingnumber (#PCDATA)>
<!ELEMENT street (#PCDATA)>
<!ELEMENT city (#PCDATA)>
<!ELEMENT state (#PCDATA)>
<!ELEMENT zip (#PCDATA)>








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7.Getting the Notations in a DOM Document
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10.Removing All the Attributes in a DOM Element
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
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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
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23.Add a text node to the beginning of the element
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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
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