Read .XML file

package mytools.readfile;

import java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;

/**
 * This class is used to read .XML file.
 *
 * @author WangJunyu
 */
public class ReadXML {

    private String file = "";
    private Document cfgDoc = null;
   
    public ReadXML(String file) {
       
        this.file = file;
    }
   
    public void excute() throws ParserConfigurationException, SAXException, IOException {
       
        File cfg = new File(file);
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        cfgDoc = db.parse(cfg);
       
        Element doc = cfgDoc.getDocumentElement();
        System.out.println("Test tead XML file: " +
                            doc.getElementsByTagName("copy").getLength());
    }
   
    public static void main(String[] args) {
       
        ReadXML read = new ReadXML("test.xml");
        try {
           
            read.excute();
        }
        catch (ParserConfigurationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (SAXException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}