Java StAX XMLStreamWriter example

StAX XMLStreamWriter class is used for writing the XML documents.

Methods of StAX XMLStreamWriter:

1. writeStartElement(String localName): It add start element of given name.
2. writeEndElement(String localName): It add end element of given name.
3. writeAttribute(String localName, String value): It write attribute to an element.

Example:

StaxTest.java

import java.io.FileWriter;
import java.io.Writer;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamWriter;
 
/**
 * This class is used to create XML elements using Stax parser.
 * @author javawithease
 */
public class StaxTest {
	public static void main(String args[]){
	  try {
		//File Path
		String filePath = "D:\\classNew.xml";
 
		//Create FileWriter object.
		Writer fileWriter = new FileWriter(filePath);
 
		//Get XMLOutputFactory instance.
		XMLOutputFactory xmlOutputFactory = 
                                  XMLOutputFactory.newInstance();
 
		//Create XMLStreamWriter object from xmlOutputFactory.
		XMLStreamWriter xmlStreamWriter = 
                    xmlOutputFactory.createXMLStreamWriter(fileWriter);
 
		//Add elements to xmlStreamWriter.
		xmlStreamWriter.writeStartDocument();
		xmlStreamWriter.writeStartElement("class");
		xmlStreamWriter.writeStartElement("student");
		xmlStreamWriter.writeAttribute("name", "Rajesh Garg");
		xmlStreamWriter.writeEndElement();
		xmlStreamWriter.writeStartElement("student");
		xmlStreamWriter.writeAttribute("name", "Harish Kansal");
		xmlStreamWriter.writeEndElement();
		xmlStreamWriter.writeEndElement();
		xmlStreamWriter.writeEndDocument();
 
		//Write content on XML file and close xmlStreamWriter.
		xmlStreamWriter.flush();
		xmlStreamWriter.close();
 
		System.out.println("XML file created successfully.");
	  } catch (Exception e) {
		e.printStackTrace();
	  }
	}
}

Output:

XML file created successfully.

classNew.xml

<?xml version="1.0" ?>
<class>
 <student name="Rajesh Garg"></student>
 <student name="Harish Kansal"></student>
</class>

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