Runtime errors while getting property file in netbeans 6.5

[bansari]

This Is My CODE::

package assign21;

import java.io.FileInputStream;
import java.util.*;
import java.sql.*;


public class WithPropertyFile
{

	String driver=null;

	String url = null;

	String username = null;
    String psword = null;

    String propFile="D:/Bansari_Trainee/bansari_assign/Assign 2/Assign 2.1/assign2.1/src/assign21/DataProperty.properties";
    public static String databaseInfo = "";
    public static Connection connect;
    public static ResultSet result;
    public static ResultSet result1;
    ResultSetMetaData rsMetadata;
    int iColumnCount;
    public static Statement statementObject;
    PropertyResourceBundle pBundle = null;


    public WithPropertyFile() {

    try{

        System.out.println("\n--Properties File Path  is ----"+propFile);
        pBundle = new PropertyResourceBundle(new FileInputStream(propFile));
                    databaseInfo =  (pBundle.handleGetObject("POSTGRE")).toString();
                    System.out.println("\nOpening database-------------\n");
                    System.out.print(propFile);
                    if (!databaseInfo.equals(null)){

    StringTokenizer st = new StringTokenizer(databaseInfo);

		driver = st.nextToken();
        System.out.println("\nDriver =>" + driver);
		url = st.nextToken();
		username = st.nextToken();
		psword = st.nextToken();

        System.out.println("\nurl = " + url + "\npassword = " + psword);
                    }


	}
 catch(Exception e){e.printStackTrace();}

    }

public WithPropertyFile(String propfile){
        propFile=propfile;
        new WithPropertyFile();
    }

public void open()
		{
	        try{


                            Class.forName(driver);
                            // create connection
                               connect = DriverManager.getConnection(url,username,psword);
                                statementObject = connect.createStatement();
             //                  result = statementObject.executeQuery("SELECT * FROM usermaster");
                            System.out.println("Your Connection is Established...");



        }
		catch(Exception e)
			{
				e.printStackTrace();
			}
	    }


    public void close()
		{
		try{
			connect.close();
		}
		catch(Exception e)
			{
				e.printStackTrace();
			}
	}

}

 class DBConnection {

    public static void main(String args[]){


       System.out.println("-------- PostgreSQL JDBC Connection Testing ------------");
 //     System.out.println(System.getProperty("user.dir"));

	        try
			  	{
                System.out.println("hi");
                    PropertyResourceBundle pBundle = null;
                    //System.out.println("h32i");
			  		pBundle = new PropertyResourceBundle(new FileInputStream("D:/Bansari_Trainee/bansari_assign/Assign 2/Assign 2.1/assign2.1/src/assign21/DataProperty.properties"));
                     //System.out.println("h32i");
                     System.out.print(pBundle);
                    String databaseInfo =  (pBundle.handleGetObject("POSTGRE")).toString();

			  		if (!databaseInfo.equals(null))
			  		{
			  				WithPropertyFile dbConnect = new WithPropertyFile(pBundle.handleGetObject("POSTGRE").toString());
                            dbConnect.open();

			  				//dbConnect.close();
                            System.out.println("Database Connection is Established From Connection Class...");
                    }
			  		else
			  				System.out.println("\tNo such database found in properties file");

			}
			catch(Exception e){
            e.printStackTrace();}
      }

}

I m facing this runtime errorr::

java.lang.NullP ointerException
java.util.Prope rtyResourceBund le@3e25a5
at java.lang.Class .forName0(Nativ e Method)
at java.lang.Class .forName(Class. java:169)
/src/assign21/DataProperty.pr operties
at assign21.WithPr opertyFile.open (WithPropertyFi le.java:67)

at assign21.DBConn ection.main(Wit hPropertyFile.j ava:118)

This is my proprty file::

POSTGRE org.postgresql. Driver jdbc:postgresql :postgres postgres root4site



Please help as early as possible.