Example #1
0
  /**
   * _more_
   *
   * @return _more_
   */
  public Connection getConnection() {
    if (connection != null) {
      return connection;
    }
    String url = getFilename();
    if ((dataSource.getUserName() == null) || (dataSource.getUserName().trim().length() == 0)) {
      if (url.indexOf("?") >= 0) {
        int idx = url.indexOf("?");
        List<String> args =
            (List<String>) StringUtil.split(url.substring(idx + 1), "&", true, true);
        url = url.substring(0, idx);
        for (String tok : args) {
          List<String> subtoks = (List<String>) StringUtil.split(tok, "=", true, true);
          if (subtoks.size() != 2) {
            continue;
          }
          String name = subtoks.get(0);
          String value = subtoks.get(1);
          if (name.equals("user")) {
            dataSource.setUserName(value);
          } else if (name.equals("password")) {
            dataSource.setPassword(value);
          }
        }
      }
    }

    int cnt = 0;
    while (true) {
      String userName = dataSource.getUserName();
      String password = dataSource.getPassword();
      if (userName == null) {
        userName = "";
      }
      if (password == null) {
        password = "";
      }
      try {
        connection = DriverManager.getConnection(url, userName, password);
        return connection;
      } catch (SQLException sqe) {
        if ((sqe.toString().indexOf("role \"" + userName + "\" does not exist") >= 0)
            || (sqe.toString().indexOf("user name specified") >= 0)) {
          String label;
          if (cnt == 0) {
            label =
                "<html>The database requires a login.<br>Please enter a user name and password:</html>";
          } else {
            label = "<html>Incorrect username/password. Please try again.</html>";
          }
          if (!dataSource.showPasswordDialog("Database Login", label)) {
            return null;
          }
          cnt++;
          continue;
        }
        throw new BadDataException("Unable to connect to database", sqe);
      }
    }
  }
Example #2
0
 public void initDB(String url) {
   try {
     db = DriverManager.getConnection(url);
     statement = db.createStatement();
   } catch (Exception e) {
     System.out.println("Database could not started");
     e.printStackTrace();
   }
 } // initDB sonu
  public void actionPerformed(ActionEvent e) {
    String a, b, c, f, g, h, j, k, l, m, n, o, p, tol = "";

    try {
      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      con = DriverManager.getConnection("jdbc:odbc:db2");
      stm = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
    } catch (Exception error) {
      System.out.println(error);
    }

    if (e.getSource() == student) {
      name = "Student";
      cl.show(pnc, "cstu");
      try {
        rs = stm.executeQuery("Select * from Student");
        rs.next();
        t1.setText(rs.getString(1));
        t2.setText(rs.getString(2));
        t3.setText(rs.getString(3));
        t4.setText(rs.getString(4));
        t5.setText(rs.getString(5));
        t6.setText(rs.getString(6));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == teacher) {
      name = "Teacher";
      cl.show(pnc, "ctea");
      try {
        rs = stm.executeQuery("Select * from Teacher");
        rs.next();
        t11.setText(rs.getString(1));
        t12.setText(rs.getString(2));
        t13.setText(rs.getString(3));
        t14.setText(rs.getString(4));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == course) {
      name = "Course";
      cl.show(pnc, "ccou");
      try {
        rs = stm.executeQuery("Select * from Course");
        rs.next();
        t7.setText(rs.getString(1));
        t8.setText(rs.getString(2));
        t9.setText(rs.getString(3));
        t0.setText(rs.getString(4));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == result) {
      name = "Result";
      cl.show(pnc, "cres");
      try {
        rs = stm.executeQuery("Select * from Result");
        rs.next();
        t15.setText(rs.getString(1));
        t16.setText(rs.getString(2));
        t17.setText(rs.getString(3));
        t18.setText(rs.getString(4));
        t19.setText(rs.getString(5));
        t20.setText(rs.getString(6));
        t21.setText(rs.getString(7));
        t22.setText(rs.getString(8));
        t23.setText(rs.getString(9));
        t24.setText(rs.getString(10));
        t25.setText(rs.getString(11));
        t26.setText(rs.getString(12));
        t27.setText(rs.getString(13));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b6) {
      Vector cols = new Vector();
      Vector rows = new Vector();

      if (z == 1) {
        String sql = "Select * from " + co;
        try {
          rs = stm.executeQuery(sql);
          meta = rs.getMetaData();
          for (int i = 1; i <= meta.getColumnCount(); i++) cols.addElement(meta.getColumnName(i));
          while (rs.next()) {
            Vector currow = new Vector();
            for (int i = 1; i <= meta.getColumnCount(); i++) currow.addElement(rs.getString(i));
            rows.addElement(currow);
          }
        } catch (Exception ex) {
          System.out.print(ex);
        }
        tb = new JTable(rows, cols);
        js = new JScrollPane(tb);
        pne2.remove(js);
        pne2.add(blk, "bb");
        cl2.show(pne2, "bb");
        pne2.add(js, "jjs");
        cl2.show(pne2, "jjs");
        pne2.remove(blk);
        z = 0;
      }
    }

    if (e.getSource() == b1) // **** ADD BUTTON ****//
    {
      if (name == "Student") {
        a = t1.getText();
        b = t2.getText();
        c = t3.getText();
        f = t4.getText();
        g = t5.getText();
        h = t6.getText();

        tol =
            "Insert into Student values ('"
                + a
                + "','"
                + b
                + "','"
                + c
                + "','"
                + f
                + "','"
                + g
                + "','"
                + h
                + "')";
      }

      if (name == "Teacher") {
        a = t11.getText();
        b = t12.getText();
        c = t13.getText();
        f = t14.getText();

        tol = "Insert into Teacher values ('" + a + "','" + b + "','" + c + "','" + f + "')";
      }

      if (name == "Course") {
        a = t7.getText();
        b = t8.getText();
        c = t9.getText();
        f = t0.getText();

        tol = "Insert into Course values ('" + a + "','" + b + "','" + c + "','" + f + "')";
      }

      if (name == "Result") {
        a = t15.getText();
        b = t16.getText();
        c = t17.getText();
        f = t18.getText();
        g = t19.getText();
        h = t20.getText();
        j = t21.getText();
        k = t22.getText();
        l = t23.getText();
        m = t24.getText();
        n = t25.getText();
        o = t26.getText();
        p = t27.getText();

        tol =
            "Insert into Result values ('"
                + a
                + "','"
                + b
                + "','"
                + c
                + "','"
                + f
                + "','"
                + g
                + "','"
                + h
                + "','"
                + j
                + "','"
                + k
                + "','"
                + l
                + "','"
                + m
                + "','"
                + n
                + "','"
                + o
                + "','"
                + p
                + "')";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b2) // **** DELETE BUTTON ****//
    {
      if (name == "Student") {
        b = t2.getText();
        tol = "Delete from Student where Id = '" + b + "'";
      }

      if (name == "Teacher") {
        b = t12.getText();
        tol = "Delete from Teacher where Id = '" + b + "'";
      }

      if (name == "Course") {
        b = t8.getText();
        tol = "Delete from Course where Id = '" + b + "'";
      }

      if (name == "Result") {
        b = t16.getText();
        tol = "Delete from Result where Code = '" + b + "'";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b3) // **** UPDATE BUTTON ****//
    {
      if (name == "Student") {
        a = t1.getText();
        b = t2.getText();
        c = t3.getText();
        f = t4.getText();
        g = t5.getText();
        h = t6.getText();

        tol =
            "Update Student set Name = '"
                + a
                + "', ID = '"
                + b
                + "', Dept = '"
                + c
                + "', CGPA = '"
                + f
                + "', Address = '"
                + g
                + "', Cell = '"
                + h
                + "' where ID = '"
                + b
                + "'";
      }

      if (name == "Teacher") {
        a = t11.getText();
        b = t12.getText();
        c = t13.getText();
        f = t14.getText();

        tol =
            "Update Teacher set Name = '"
                + a
                + "', ID = '"
                + b
                + "', Dept = '"
                + c
                + "', Course = '"
                + f
                + "' where ID = '"
                + b
                + "'";
      }

      if (name == "Course") {
        a = t7.getText();
        b = t8.getText();
        c = t9.getText();
        f = t0.getText();

        tol =
            "Update Course set Name = '"
                + a
                + "', Code = '"
                + b
                + "', Credit = '"
                + c
                + "', Prerecusite = '"
                + f
                + "' where Code = '"
                + b
                + "'";
      }

      if (name == "Result") {
        a = t15.getText();
        b = t16.getText();
        c = t17.getText();
        f = t18.getText();
        g = t19.getText();
        h = t20.getText();
        j = t21.getText();
        k = t22.getText();
        l = t23.getText();
        m = t24.getText();
        n = t25.getText();
        o = t26.getText();
        p = t27.getText();

        tol =
            "Update Result set Course = '"
                + a
                + "', Code = '"
                + b
                + "', Credit = '"
                + c
                + "', A = '"
                + f
                + "', B+ = '"
                + g
                + "', B = '"
                + h
                + "', C+ = '"
                + j
                + "', C = '"
                + k
                + "', D+ = '"
                + l
                + "', D = '"
                + m
                + "', F = '"
                + n
                + "', I = '"
                + o
                + "', W = '"
                + p
                + "' where Code = '"
                + b
                + "'";
        // JOptionPane.showMessageDialog(null,tol,null,JOptionPane.PLAIN_MESSAGE);
        // tol = "Update Result set Course = '"+a+"', Code = '"+b+"', Credit = '"+c+"' where Code =
        // '"+b+"'";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b4) // **** NEXT BUTTON ****//
    {
      if (name == "Student") {
        try {
          if (rs.next()) {
            t1.setText(rs.getString(1));
            t2.setText(rs.getString(2));
            t3.setText(rs.getString(3));
            t4.setText(rs.getString(4));
            t5.setText(rs.getString(5));
            t6.setText(rs.getString(6));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Teacher") {
        try {
          if (rs.next()) {
            t11.setText(rs.getString(1));
            t12.setText(rs.getString(2));
            t13.setText(rs.getString(3));
            t14.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Course") {
        try {
          if (rs.next()) {
            t7.setText(rs.getString(1));
            t8.setText(rs.getString(2));
            t9.setText(rs.getString(3));
            t0.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Result") {
        try {
          if (rs.next()) {
            t15.setText(rs.getString(1));
            t16.setText(rs.getString(2));
            t17.setText(rs.getString(3));
            t18.setText(rs.getString(4));
            t19.setText(rs.getString(5));
            t20.setText(rs.getString(6));
            t21.setText(rs.getString(7));
            t22.setText(rs.getString(8));
            t23.setText(rs.getString(9));
            t24.setText(rs.getString(10));
            t25.setText(rs.getString(11));
            t26.setText(rs.getString(12));
            t27.setText(rs.getString(13));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }
    }

    if (e.getSource() == b5) // **** PREVIOUS BUTTON ****//
    {
      if (name == "Student") {
        try {
          if (rs.previous()) {
            t1.setText(rs.getString(1));
            t2.setText(rs.getString(2));
            t3.setText(rs.getString(3));
            t4.setText(rs.getString(4));
            t5.setText(rs.getString(5));
            t6.setText(rs.getString(6));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Teacher") {
        try {
          if (rs.previous()) {
            t11.setText(rs.getString(1));
            t12.setText(rs.getString(2));
            t13.setText(rs.getString(3));
            t14.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Course") {
        try {
          if (rs.previous()) {
            t7.setText(rs.getString(1));
            t8.setText(rs.getString(2));
            t9.setText(rs.getString(3));
            t0.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Result") {
        try {
          if (rs.previous()) {
            t15.setText(rs.getString(1));
            t16.setText(rs.getString(2));
            t17.setText(rs.getString(3));
            t18.setText(rs.getString(4));
            t19.setText(rs.getString(5));
            t20.setText(rs.getString(6));
            t21.setText(rs.getString(7));
            t22.setText(rs.getString(8));
            t23.setText(rs.getString(9));
            t24.setText(rs.getString(10));
            t25.setText(rs.getString(11));
            t26.setText(rs.getString(12));
            t27.setText(rs.getString(13));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }
    }
  }
  public Design() throws Exception {
    super.setBackground(Color.BLACK);
    this.setTitle("");
    con = getContentPane();
    con.setLayout(null);
    dim = tk.getDefaultToolkit().getScreenSize();
    this.setTitle("Customer Peer Login");

    l1 = new JLabel(new ImageIcon("plain.jpg"));
    l1.setBounds(0, 0, 400, 400);
    con.add(l1);
    l1.setBorder(BorderFactory.createEtchedBorder(5, Color.black, Color.black));

    title = new JLabel("CUSTOMER PEER LOGIN ");
    title.setFont(new Font("Bookman Old Style", Font.ROMAN_BASELINE, 20));
    title.setForeground(Color.red);
    title.setBounds(80, 30, 300, 30);
    l1.add(title);

    l4 = new JLabel("CMACHINE NAME");
    l4.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l4.setForeground(Color.BLUE);
    l4.setBounds(70, 100, 160, 20);
    //	l4.setBorder(BorderFactory.createEtchedBorder(5,Color.green,Color.green));

    l1.add(l4);
    jtf2 = new JTextField();
    jtf2.setBounds(250, 100, 100, 20);
    jtf2.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));

    l1.add(jtf2);

    l2 = new JLabel("CUSER LOGIN");
    l2.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l2.setForeground(Color.blue);
    l2.setBounds(70, 150, 120, 20);
    l1.add(l2);

    jtf1 = new JTextField();
    jtf1.setBounds(250, 150, 100, 20);
    jtf1.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));

    l1.add(jtf1);

    l3 = new JLabel("CPASSWORD");
    l3.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l3.setForeground(Color.blue);
    l3.setBounds(70, 200, 120, 20);
    l1.add(l3);

    jptf1 = new JPasswordField();
    jptf1.setBounds(250, 200, 100, 20);
    jptf1.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));

    l1.add(jptf1);

    JLabel l4 = new JLabel("DAgent");
    l4.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l4.setForeground(Color.blue);
    l4.setBounds(70, 250, 120, 20);
    l1.add(l4);

    box = new JComboBox();
    box.setBounds(250, 250, 100, 20);
    box.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));
    l1.add(box);

    b2 = new JButton("Register");
    b2.setBounds(50, 300, 100, 20);
    l1.add(b2);
    b2.setBorder(BorderFactory.createEtchedBorder(10, Color.BLUE, Color.BLUE));

    b3 = new JButton("Login");
    b3.setBounds(150, 300, 100, 20);
    b3.setBorder(BorderFactory.createEtchedBorder(10, Color.BLUE, Color.BLUE));
    l1.add(b3);

    b1 = new JButton("Cancel");
    b1.setBounds(250, 300, 100, 20);
    b1.setBorder(BorderFactory.createEtchedBorder(10, Color.BLUE, Color.BLUE));

    l1.add(b1);

    b1.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent we) {

            dispose();
          }
        });

    try {

      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      conn = DriverManager.getConnection("jdbc:odbc:agent");

    } catch (Exception exp) {

    }

    try {
      Statement satem = conn.createStatement();
      ResultSet rsatem = satem.executeQuery("select * from Dagent");
      while (rsatem.next()) {
        String namem = rsatem.getString("uname");
        box.addItem(namem);
      }

    } catch (Exception expo1) {

    }

    b2.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent we) {

            String username = jtf1.getText().trim();
            String password = jptf1.getText().trim();
            String mechine = jtf2.getText().trim();
            String dname = box.getSelectedItem().toString();
            int porte = 0;

            try {
              Statement sate = conn.createStatement();
              ResultSet rsate =
                  sate.executeQuery("select * from Dagent where uname='" + dname + "'");
              if (rsate.next()) {
                servermachine = rsate.getString("umechine");
                porte = rsate.getInt("ulistport");
                System.out.println(servermachine);
              }
              System.out.println(servermachine);

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

            try {
              packet p = new packet();
              p.setaction("Creg");
              p.setCuser(username);
              p.setCpass(password);
              p.setCmname(mechine);
              p.setCDpeer(dname);
              Socket soc = new Socket(servermachine, porte);
              ObjectOutputStream out = new ObjectOutputStream(soc.getOutputStream());
              out.writeObject(p);
              ObjectInputStream in = new ObjectInputStream(soc.getInputStream());
              packet rpac = (packet) in.readObject();
              if (rpac.getaction().equals("ok")) {

                JOptionPane.showMessageDialog(null, "Sucessfully Registered");

                jtf2.setText("");
                jtf1.setText("");
                jptf1.setText("");

              } else {

                JOptionPane.showMessageDialog(null, "Already Registered");
                jtf2.setText("");
                jtf1.setText("");
                jptf1.setText("");
              }

            } catch (Exception exp) {
            }
          }
        });

    b3.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent we) {

            String username = jtf1.getText().trim();
            String password = jptf1.getText().trim();
            String mechine = jtf2.getText().trim();
            String Dname = box.getSelectedItem().toString();

            int porte = 0;

            try {
              Statement sate = conn.createStatement();
              ResultSet rsate =
                  sate.executeQuery("select * from Dagent where uname='" + Dname + "'");
              if (rsate.next()) {
                servermachine = rsate.getString("umechine");
                porte = rsate.getInt("ulistport");
                System.out.println(servermachine);
              }
              System.out.println(servermachine);

            } catch (Exception exp) {

            }

            try {

              packet p1 = new packet();
              p1.setaction("clogin");
              p1.setCuser(username);
              p1.setCpass(password);
              p1.setCmname(mechine);
              p1.setCDpeer(Dname);
              Socket soc1 = new Socket(servermachine, porte);
              ObjectOutputStream out1 = new ObjectOutputStream(soc1.getOutputStream());
              out1.writeObject(p1);
              ObjectInputStream in1 = new ObjectInputStream(soc1.getInputStream());
              packet rpac1 = (packet) in1.readObject();
              if (rpac1.getaction().equals("ok")) {
                int port1 = 0;
                try {

                  int portm = rpac1.getCport();
                  System.out.println("XXXXXXX" + portm);
                  //	JOptionPane.showMessageDialog(null,"Sucessfully Started");

                  new Listen(portm);
                  new process(username, portm);
                  dispose();
                } catch (Exception exp) {
                }
              } else {
                JOptionPane.showMessageDialog(
                    null, "Enter valid username and password", "Server reply", 2);
                jtf1.setText("");
                jtf2.setText("");
                jptf1.setText("");
              }

            } catch (Exception exp) {
            }
          }
        });

    setSize(400, 400);
    show();
    setLocation(150, 100);
    setResizable(false);
  }