How to delete particular child element

Question

hi
i have one xml document like this;how to delete particular element ;i want to delete say playerid = 9;
and also i want to update the particular element, IndianPlayer(child nodes(name,age)) say playerid = 5 with name=agarkar and age=27;
<India>
<IndianPlayer PlayerId="1">
<Name>Sachin</Name>
<Age>31</Age>
</IndianPlayer>
<IndianPlayer PlayerId="2">
<Name>Saurav</Name>
<Age>32</Age>
</IndianPlayer>
<IndianPlayer PlayerId="3">
<Name>Yuvraj</Name>
<Age>22</Age>
</IndianPlayer>
<IndianPlayer PlayerId="4">
<Name>Dravid</Name>
<Age>32</Age>
</IndianPlayer>
<IndianPlayer PlayerId="5">
<Name>Kumble</Name>
<Age>34</Age>
</IndianPlayer>
<IndianPlayer PlayerId="6">
<Name>Sehwag</Name>
<Age>24</Age>
</IndianPlayer>
<IndianPlayer PlayerId="7">
<Name>Laxman</Name>
<Age>32</Age>
</IndianPlayer>
<IndianPlayer PlayerId="8">
<Name>parthiv</Name>
<Age>18</Age>
</IndianPlayer>
<IndianPlayer PlayerId="9">
<Name>Zaheerkhan</Name>
<Age>26</Age>
</IndianPlayer>
</India>
bye
chaitanya

Answer 1

Hi
you can use the following code to delete a particular child based upon the given criteria
Name the xml file as cricPlayer.xml(since i have used that name in the program)
i hope this solves ur problem
// Developed by ottran on 18/06/2004
import java.io.*;
import java.util.*;
import org.w3c.dom.*;
import org.xml.sax.*;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.*;
import javax.xml.parsers.*;
import javax.xml.*;
import javax.xml.transform.stream.StreamSource;
public class CricDom
public static void saveXML(Document doc, String str)
try{
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT,"yes");
transformer.transform(new DOMSource(doc),new StreamResult(str));
catch(TransformerException e)
System.out.println("Transformer Exception: "+e);
public static void main(String args[]){
try
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse("cricPlayer.xml");
document.getDocumentElement().normalize();
Node ParentNode = document.getDocumentElement();
NodeList list = document.getElementsByTagName("IndianPlayer");
for(Node child= ParentNode.getFirstChild(); child != null; child = child.getNextSibling())
try{
if(child.getNodeType()==Node.ELEMENT_NODE)
NamedNodeMap tw = child.getAttributes();
if(child.getAttributes().getNamedItem("PlayerId").getNodeValue().matches("9"))
ParentNode.removeChild(child);
saveXML(document,"cricPlayer.xml");
catch (NullPointerException nex)
System.out.println("Null Exception : "+nex);
catch (Exception ex)
System.out.println("Exception : "+ex);
Bye
ottran