Parser.java

import java.io.File;
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;

public class Parser {
   public static void main(String[] args){
       String toSearchAttribute = "ERG";

      try {
         File inputFile = new File("parser.txt");
         DocumentBuilderFactory dbFactory
            = DocumentBuilderFactory.newInstance();
         DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
         Document doc = dBuilder.parse(inputFile);
         doc.getDocumentElement().normalize();
         NodeList nList = doc.getElementsByTagName("database");
         for (int temp = 0; temp < nList.getLength(); temp++) {
            Node nNode = nList.item(temp);
            if (nNode.getNodeType() == Node.ELEMENT_NODE) {
               Element eElement = (Element) nNode;
               String nodeAttribute = eElement.getAttribute("key");
                if(toSearchAttribute.equals(nodeAttribute)){
                   System.out.println("driver : "
                      + eElement.getAttribute("driver"));
                   System.out.println("url.local : "
                           + eElement.getAttribute("url.local"));
                   System.out.println("login : "
                           + eElement.getAttribute("login"));
                   System.out.println("password : "
                           + eElement.getAttribute("password"));
                }
            }
         }
      } catch (Exception e) {
         e.printStackTrace();
      }
   }
}