Finding an ID Value and Print the Element Text

This Example gives a way to Find an ID value and Print the Text in a DOM document . The Methods which are used for Finding an ID value in the code are described below :-

Element root = doc.getDocumentElement():-allows direct access to the root of the DOM Document.

Node node=root.getFirstChild().getFirstChild():-Direct access to the subchild of the root .

Text text = (Text) node.getFirstChild():- it Retrives the text of the Node named node

XML code for the program generated is:-

<?xml version="1.0" encoding="UTF-8"?>
<Company>    
<Employee>        
<name Girish="Gi">Roseindia.net</name>
</Employee>    
<Employee>        
<name Komal="Ko">newsTrack</name>    
</Employee>    
<Employee>        
<name Mahendra="Rose">Singh</name>    
</Employee>
</Company>

Findbyid.java :-


/* 

 * @Program that describes a method to find an ID value and print 

  the element text

 * Findbyid.java 

 * Author:-RoseIndia Team

 * Date:-10-Jun-2008

 */



import java.io.*;

import javax.xml.parsers.*;

import org.w3c.dom.*;



public class Findbyid {



  public static void main(String[] args) throws Exception {

  

  DocumentBuilderFactory builderFactory = 

   DocumentBuilderFactory.newInstance();

  builderFactory.setValidating(false);



  Document doc = 

  builderFactory.newDocumentBuilder().parse(

   new File("Document2.xml"));

  new Findbyid().findByID(doc, "Girish");



  }



  public void findByID(Document doc, String idName) {

  Element root = doc.getDocumentElement();

  Node node=root.getFirstChild().getFirstChild();

 

  if (root == null) {

  System.out.println("There is no element with the ID "

    + idName);

  } else {

  Text text = (Text) node.getFirstChild();

  System.out.println(idName + " locates the name " 

  + text.getData());

  }







  }

}

Output of the program:-

Girish locates the name Roseindia.net

DownLoad Source Code

Finding an ID Value and Print the Element Text

Finding an ID Value and Print the Element Text

Finding an ID Value and Print the Element Text

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