/**
* _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);
}
}
}
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);
}
