//STEP 1. Import required packages
import java.sql.Connection;
import java.sql.DriverManager;
import javax.swing.*;
import java.sql.*;


public class ConnectionPostgres {
 Connection c = null;


 public static Connection dbConnector() {

       try {
          Class.forName("org.postgresql.Driver");
          Connection c = DriverManager
             .getConnection("jdbc:postgresql://127.0.0.1:5432/sensorthings",
             "sensorthings", "1");
          return c;

       } catch (Exception e) {
         // e.printStackTrace();
          //System.err.println(e.getClass().getName()+": "+e.getMessage());
          //System.exit(0);
        JOptionPane.showMessageDialog(null, e);
        return null;
       }
       //System.out.println("Opened database successfully");
    }
 }