Read XML File In Java Example – (DOM Parser)
Chapter:
XML
Last Updated:
15-07-2016 13:57:08 UTC
Program:
/* ............... START ............... */
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import java.io.File;
public class JavaReadXMLFileDomParser {
public static void main(String argv[]) {
try {
File fXmlFile = new File("c:/staff.xml");
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(fXmlFile);
doc.getDocumentElement().normalize();
System.out.println("Root element :" + doc.getDocumentElement().getNodeName());
NodeList nList = doc.getElementsByTagName("staff");
System.out.println("----------------------------");
for (int temp = 0; temp < nList.getLength(); temp++) {
Node nNode = nList.item(temp);
System.out.println("\nCurrent Element :" + nNode.getNodeName());
if (nNode.getNodeType() == Node.ELEMENT_NODE) {
Element eElement = (Element) nNode;
System.out.println("Staff id : " + eElement.getAttribute("id"));
System.out.println(
"First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent());
System.out.println(
"Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent());
System.out.println(
"Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent());
System.out.println("Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
/* ............... END ............... */
Output
Root element :company
Current Element :staff
Staff id : 1001
First Name : Staff1
Last Name : last name
Nick Name : Nick
Salary : 100000
Current Element :staff
Staff id : 2001
First Name : Staff2
Last Name : lastname
Nick Name : Nick1
Salary : 200000
Notes:
-
DOM parser parses the entire XML document and loads it into memory; then models it in a “TREE” structure for easy traversal or manipulation.
Tags
Read XML File, Java