Generates a DOM from scratch. Writes the DOM to a String using an LSSerializer. : DOM Tree « XML « Java Tutorial

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Java Tutorial » XML » DOM Tree 
33.4.12.Generates a DOM from scratch. Writes the DOM to a String using an LSSerializer.Previous/Next
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 * distributed under the License is distributed on an "AS IS" BASIS,
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import java.io.StringWriter;

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

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSOutput;
import org.w3c.dom.ls.LSSerializer;

/**
 * Simple Sample that: - Generates a DOM from scratch. - Writes the DOM to a
 * String using an LSSerializer
 
 @author Jeffrey Rodriguez
 @version $Id: DOMGenerate.java 546623 2007-06-12 20:25:08Z mrglavas $
 */
public class DOMGenerate {

  public static void main(String[] argv) {
    try {
      DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
      dbf.setNamespaceAware(true);
      DocumentBuilder db = dbf.newDocumentBuilder();
      Document doc = db.newDocument();

      Element root = doc.createElementNS(null, "person")// Create Root Element
      Element item = doc.createElementNS(null, "name")// Create element
      item.appendChild(doc.createTextNode("Jeff"));
      root.appendChild(item)// Attach element to Root element
      item = doc.createElementNS(null, "age")// Create another Element
      item.appendChild(doc.createTextNode("28"));
      root.appendChild(item)// Attach Element to previous element down tree
      item = doc.createElementNS(null, "height");
      item.appendChild(doc.createTextNode("1.80"));
      root.appendChild(item)// Attach another Element - grandaugther
      doc.appendChild(root)// Add Root to Document

      DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
      DOMImplementationLS domImplLS = (DOMImplementationLSregistry.getDOMImplementation("LS");

      LSSerializer ser = domImplLS.createLSSerializer()// Create a serializer
                                                          // for the DOM
      LSOutput out = domImplLS.createLSOutput();
      StringWriter stringOut = new StringWriter()// Writer will be a String
      out.setCharacterStream(stringOut);
      ser.write(doc, out)// Serialize the DOM

      System.out.println("STRXML = " + stringOut.toString())// Spit out the
                                                              // DOM as a String
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }
}
33.4.DOM Tree
33.4.1.Creating a new DOM tree
33.4.2.Create new DOM tree with fully qualified element names
33.4.3.Custom complex filters for selecting nodes
33.4.4.Traverse the DOM tree as a list
33.4.5.Traverse the DOM tree using TreeWalker
33.4.6.Accessing different types of DOM tree nodes
33.4.7.Reading a DOM tree from XML document
33.4.8.Using ranges in DOM tree
33.4.9.Copying a Subtree of Nodes in a DOM Document
33.4.10.Copying a Subtree of Nodes from One DOM Document to Another
33.4.11.Get this Document's root node
33.4.12.Generates a DOM from scratch. Writes the DOM to a String using an LSSerializer.
33.4.13.Print Tree node
33.4.14.Traverse a DOM tree in order to print a document that is parsed
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