add cdata section to the a xml and also read it
hi
i was facing a problem for sometime as to how to add and read CDATA sections to xml using java. Finally did it so thought of sharing it....
-uv
/**
* this will add cdata section to the comments tag in a xml and also read it back
* java 1.5
*/
package misc;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.CDATASection;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.SAXException;
import com.sun.org.apache.xml.internal.serialize.OutputFormat;
import com.sun.org.apache.xml.internal.serialize.XMLSerializer;
/**
* @author uddalokv
*
*/
public class TestCDATAXML {
public static String write(String filename1) throws Exception {
// TODO Auto-generated method stub
Document doc = loadXml(filename1);
CDATASection cdas = doc.createCDATASection("THIS CAN CONTAIN SPECIAL CHARACTERS $ \\ / ? * ( ) @ # $ ! < >");
doc.getElementsByTagName("COMMENTS").item(0).appendChild(cdas);
String filename = "d:/test/CDATA" + System.nanoTime() + ".xml";
FileOutputStream fos = new FileOutputStream(filename);
// XERCES 1 or 2 additionnal classes.
OutputFormat of = new OutputFormat("XML", "ISO-8859-1", true);
of.setIndent(1);
of.setIndenting(true);
//of.setDoctype(null,"users.dtd");
XMLSerializer serializer = new XMLSerializer(fos, of);
// As a DOM Serializer
serializer.asDOMSerializer();
serializer.serialize(doc.getDocumentElement());
fos.close();
return filename;
}
public static void main(String[] args) throws Exception {
read(write("d:/test/abc.xml"));
}
public static void read(String filename) {
Document doc = loadXml(filename);
Node node = doc.getElementsByTagName("COMMENTS").item(0);
for (int i = 0; i < node.getChildNodes().getLength(); i++)
System.out.println("Node Value:" + node.getChildNodes().item(i).getNodeValue());
}
public static Document loadXml(String argFileName) {
try {
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
Document doc = docBuilder.parse (new File(argFileName));
return doc;
}
catch (ParserConfigurationException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
catch (SAXException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
return null;
}
}
