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Main.java
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Main.java
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package hms;
import com.sun.glass.events.KeyEvent;
import java.sql.*;
import java.util.Arrays;
import javax.swing.JOptionPane;
public class Main extends javax.swing.JFrame {
private int empID;
private String passwrd;
public Main() {
initComponents();//create constructor.
}
public void setData() { //set data method
String id = idText.getText();//get the id as text
if (id.length() > 0) {
this.empID = Integer.parseInt(id);//check whether this null or not.
}
passwrd = passfield.getText();
}
public void reset() { //reset all entries
idText.setText("");
passfield.setText("");
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jPanel2 = new javax.swing.JPanel();
logBtn = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
idText = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
passfield = new javax.swing.JPasswordField();
jMenuBar1 = new javax.swing.JMenuBar();
aboutMenuItem = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
jMenuItem2 = new javax.swing.JMenuItem();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("Main");
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(""));
jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/hms/pictures/HospitalIcon.jpg"))); // NOI18N
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 370, javax.swing.GroupLayout.PREFERRED_SIZE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(""));
logBtn.setBackground(new java.awt.Color(0, 153, 153));
logBtn.setFont(new java.awt.Font("Dialog", 1, 18)); // NOI18N
logBtn.setText("LogIN");
logBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
logBtnActionPerformed(evt);
}
});
jLabel2.setFont(new java.awt.Font("Century Schoolbook L", 1, 18)); // NOI18N
jLabel2.setText(" Hospital Management System");
jLabel4.setText("password:");
idText.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyTyped(java.awt.event.KeyEvent evt) {
idTextKeyTyped(evt);
}
});
jLabel3.setText("user ID:");
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 318, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(23, 23, 23)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel3)
.addComponent(jLabel4))
.addGap(20, 20, 20)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(idText, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
.addComponent(passfield))))
.addGap(36, 36, 36))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()
.addComponent(logBtn, javax.swing.GroupLayout.PREFERRED_SIZE, 113, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(51, 51, 51))))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 71, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(47, 47, 47)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(idText, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(29, 29, 29)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(passfield, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 42, Short.MAX_VALUE)
.addComponent(logBtn, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(21, 21, 21))
);
aboutMenuItem.setText("About");
jMenuItem1.setText("About.java");
jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
}
});
aboutMenuItem.add(jMenuItem1);
jMenuBar1.add(aboutMenuItem);
jMenu2.setText("Close");
jMenuItem2.setText("Close");
jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
}
});
jMenu2.add(jMenuItem2);
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(30, 30, 30)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(54, 54, 54)
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(43, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(31, 31, 31)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(36, 36, 36)
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(28, Short.MAX_VALUE))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem1ActionPerformed
about a = new about(); //show dtails about this application
a.setVisible(true);
}//GEN-LAST:event_jMenuItem1ActionPerformed
private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem2ActionPerformed
this.dispose(); //close this file.
}//GEN-LAST:event_jMenuItem2ActionPerformed
private void logBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_logBtnActionPerformed
try {
connection c = new connection();
Connection cn = c.getConnect();//make a connection.
Statement st = cn.createStatement();
this.setData();
if (this.empID != 0) {//check wether the employee field empty or not.
ResultSet rs = st.executeQuery("select * from admin where empID='" + this.empID + "' and password ='" + this.passwrd + "'");
//check employee id exist on the admin table and password correct.
if (rs.next()) {
Menu m = new Menu();//if that one exist go to main page
m.setVisible(true);
this.dispose();
} else {
JOptionPane.showMessageDialog(null, "Invalid password or user Id");//displsy message password wrong.
this.reset();
}
} else {
JOptionPane.showMessageDialog(null, "add a valid employee id!");//cannot check wheether employee id add or not
this.reset();
}
} catch (Exception e) {
System.out.print(e.getMessage());
}
}//GEN-LAST:event_logBtnActionPerformed
private void idTextKeyTyped(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_idTextKeyTyped
char vchar = evt.getKeyChar();
if ((!(Character.isDigit(vchar))) || (vchar == KeyEvent.VK_BACKSPACE) || (vchar == KeyEvent.VK_DELETE)) {
evt.consume();
}
}//GEN-LAST:event_idTextKeyTyped
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Main().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JMenu aboutMenuItem;
private javax.swing.JTextField idText;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JMenuItem jMenuItem2;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JButton logBtn;
private javax.swing.JPasswordField passfield;
// End of variables declaration//GEN-END:variables
}