Java DOM Parser — Parse XML Document | Code Factory

Reference Link : Link

File : ReadXMLFile.java

package com.codeFactory;
import java.io.File;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class ReadXMLFile {
public static void main(String[] args) {
  try {
   File folder = new File("./src/com/codeFactory");
   File[] listOfFiles = folder.listFiles(); // get all files details
for (int i = 0; i < listOfFiles.length; i++) {
    //check file is xml or not
    if (listOfFiles[i].isFile() && listOfFiles[i].toString().contains(".xml")) {
     System.out.println("\n*** File " + listOfFiles[i].getName() + " ***\n");
File fXmlFile = new File("./src/com/codeFactory/" + listOfFiles[i].getName());
     DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
     DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
     Document doc = dBuilder.parse(fXmlFile);
     doc.getDocumentElement().normalize();
     System.out.println("Root element :" + doc.getDocumentElement().getNodeName());
     
     // get details of 'staff' node from the file
     NodeList nList = doc.getElementsByTagName("employee");
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());
      }
     }
    } else if (listOfFiles[i].isDirectory()) {
     System.out.println("Directory " + listOfFiles[i].getName());
    }
   }
  } catch (Exception e) {
   e.printStackTrace();
  }
 }
}

File : staff.xml

<company>
    <staff id="1001">
        <firstname>yong</firstname>
        <lastname>mook kim</lastname>
        <nickname>mkyong</nickname>
        <salary>100000</salary>
    </staff>
    <staff id="2001">
        <firstname>low</firstname>
        <lastname>yin fong</lastname>
        <nickname>fong fong</nickname>
        <salary>200000</salary>
    </staff>
    <employee id="2005">
        <firstname>low</firstname>
        <lastname>yin fong</lastname>
        <nickname>fong fong</nickname>
        <salary>200000</salary>
    </employee>
    <programmer id="2006">
        <firstname>low</firstname>
        <lastname>yin fong</lastname>
        <nickname>fong fong</nickname>
        <salary>200000</salary>
    </programmer>
</company>

File : staff1.xml

<company1>
    <staff id="10010">
        <firstname>yong</firstname>
        <lastname>mook kim</lastname>
        <nickname>mkyong</nickname>
        <salary>100000</salary>
    </staff>
    <staff1 id="20010">
        <firstname>low</firstname>
        <lastname>yin fong</lastname>
        <nickname>fong fong</nickname>
        <salary>200000</salary>
    </staff1>
    <employee id="2021">
        <firstname>low</firstname>
        <lastname>yin fong</lastname>
        <nickname>fong fong</nickname>
        <salary>200000</salary>
    </employee>
    <programmer id="2301">
        <firstname>low</firstname>
        <lastname>yin fong</lastname>
        <nickname>fong fong</nickname>
        <salary>200000</salary>
    </programmer>
</company1>