Aim:
Mini Project for Library Management System Using Java.
Coding:
Logon.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class Logon extends JFrame implements ActionListener
{
int fl=1;
JPanel pLog = new JPanel();
JLabel lbUser, lbPass;
JTextField txtUser;
JPasswordField txtPass;
JButton btnOk, btnCancel;
Connection con;
public String user;
public Logon ()
{
super ("Library Management System.");
setSize (275, 300);
addWindowListener (new WindowAdapter ()
{
public void windowClosing (WindowEvent we) {
setVisible (false);
dispose();
System.exit (0);
}
}
);
pLog.setLayout (null);
lbUser = new JLabel ("Username:");
lbUser.setForeground (Color.black);
lbUser.setBounds (20, 15, 75, 25);
lbPass = new JLabel ("Password:");
lbPass.setForeground (Color.BLACK);
lbPass.setBounds (20, 50, 75, 25);
txtUser = new JTextField ();
txtUser.setBounds (100, 15, 150, 25);
txtPass = new JPasswordField ();
txtPass.setBounds (100, 50, 150, 25);
//Setting the Form's Buttons.
btnOk = new JButton ("OK");
btnOk.setBounds (20, 90, 100, 25);
btnOk.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (150, 90, 100, 25);
btnCancel.addActionListener (this);
pLog.add (lbUser);
pLog.add (lbPass);
pLog.add (txtUser);
pLog.add (txtPass);
pLog.add (btnOk);
pLog.add (btnCancel);
getContentPane().add (pLog);
//Opening the Database.
try
{
Class.forName ("sun.jdbc.odbc.JdbcOdbcDriver");
String loc = "jdbc:odbc:temp1";
con = DriverManager.getConnection (loc);
}
catch (ClassNotFoundException cnf) {
JOptionPane.showMessageDialog (null, "Driver not Loaded...");
System.exit (0);
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "Unable to Connect to Database...");
System.exit (0);
}
//Showing The Logon Form.
setVisible (true);
}
public void actionPerformed (ActionEvent ae)
{
Object obj = ae.getSource();
if (obj == btnOk)
{
String password = new String (txtPass.getPassword());
if (txtUser.getText().equals (""))
{
JOptionPane.showMessageDialog (this, "Provide Username to Logon.");
txtUser.requestFocus();
}
else if (password.equals (""))
{
txtPass.requestFocus();
JOptionPane.showMessageDialog (null,"Provide Password to Logon.");
}
else
{
String pass;
boolean verify = false;
if(fl==1)
{
if(txtUser.getText().equals("Admin")&&password.equals("admin"))
{
verify=true;
new LibrarySystem(1,1,con);
setVisible(false);
dispose();
}
}
else
{
String tablename=null;
if(fl==2) tablename="Clerks";
else if(fl==3)tablename="Members";
try { //SELECT Query to Retrieved the Record.
String query = "SELECT * FROM " + tablename + " WHERE id = " + Integer.parseInt(txtUser.getText());
Statement st = con.createStatement ();
ResultSet rs = st.executeQuery (query);
rs.next();
user = rs.getString ("id");
pass = rs.getString ("Password");
if (txtUser.getText().equals (user) && password.equals (pass))
{
verify = true;
new LibrarySystem (fl,Integer.parseInt(txtUser.getText()), con);
setVisible (false);
dispose();
}
else
{
verify = false;
txtUser.setText ("");
txtPass.setText ("");
txtUser.requestFocus ();
}
}
catch (Exception sqlex)
{
if (verify == false)
{
txtUser.setText ("");
txtPass.setText ("");
txtUser.requestFocus ();
}
}
}
}
}
else if (obj == btnCancel)
{
setVisible (false);
dispose();
System.exit (0);
}
}
public static void main(String args[])
{
Logon start=new Logon();
}
}
class FrmSplash extends JWindow implements Runnable
{
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
public void run()
{
setSize(275,300);
setVisible(true);
}
}
AddBCat.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class AddBCat extends JInternalFrame implements ActionListener
{
JPanel pNew = new JPanel();
JLabel lbUser;
JTextField txtUser;
JButton btnOk, btnCancel;
private Statement st;
public AddBCat (Connection con)
{
super ("New Book Category", false, true, false, true);
setSize (280, 175);
lbUser = new JLabel ("Category:");
lbUser.setForeground (Color.black);
lbUser.setBounds (20, 20, 100, 25);
txtUser = new JTextField ();
txtUser.setBounds (100, 20, 150, 25);
btnOk = new JButton ("OK");
btnOk.setBounds (20, 100, 100, 25);
btnOk.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (150, 100, 100, 25);
btnCancel.addActionListener (this);
pNew.setLayout (null);
pNew.add (lbUser);
pNew.add (txtUser);
pNew.add (btnOk);
pNew.add (btnCancel);
getContentPane().add (pNew);
try
{
st = con.createStatement ();
}
catch (SQLException sqlex)
{
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading the Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae)
{
Object obj = ae.getSource();
if (obj == btnOk)
{
if (txtUser.getText().equals ("")) {
txtUser.requestFocus();
JOptionPane.showMessageDialog (this, "Category not Provided.");
}
else
{
try
{
String id= txtUser.getText();
String q = "SELECT * FROM BCat ";
ResultSet rs = st.executeQuery (q);
int fl=0;
while(rs.next())
{
String memberNo = rs.getString ("Cat");
if(id.equals(memberNo))
{
JOptionPane.showMessageDialog(this,"Already existing Category");
txtUser.setText("");
txtUser.requestFocus();
fl=1;
break;
}
}
rs.close();
if(fl==0){
q = "INSERT INTO BCat " + "VALUES ('" + txtUser.getText() + "')";
int result = st.executeUpdate (q);
if (result == 1) {
JOptionPane.showMessageDialog (this, "New Category Created.");
txtUser.setText ("");
txtUser.requestFocus ();
}
else
{
JOptionPane.showMessageDialog (this, "Problem while Creating. ");
txtUser.setText ("");
txtUser.requestFocus ();
}
}
}
catch (SQLException sqlex)
{
JOptionPane.showMessageDialog (this, "Problem while Creating excep.");
}
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
}
}
AddBook.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class AddBook extends JInternalFrame implements ActionListener, FocusListener
{
JPanel pBook = new JPanel ();
JLabel lbBookId, lbBookName, lbBookAuthor, lbBookRef, lbBookCategory;
JTextField txtBookId, txtBookName, txtBookAuthor;
JComboBox cboBookCategory;
JButton btnOk, btnCancel;
JRadioButton rby,rbn;
ButtonGroup bg;
String[] cn =new String[100];
Statement st;
long id = 0;
int i,j,ref=0;
public AddBook (Connection con)
{
super ("Add New Book", false ,true, true, true);
setSize (325, 250);
lbBookId = new JLabel ("Book Id:");
lbBookId.setForeground (Color.black);
lbBookId.setBounds (15, 15, 100, 20);
lbBookName = new JLabel ("Book Name:");
lbBookName.setForeground (Color.black);
lbBookName.setBounds (15, 45, 100, 20);
lbBookAuthor = new JLabel ("Book Author:");
lbBookAuthor.setForeground (Color.black);
lbBookAuthor.setBounds (15, 75, 100, 20);
lbBookRef = new JLabel ("Reference:");
lbBookRef.setForeground (Color.black);
lbBookRef.setBounds (15, 105, 100, 20);
lbBookCategory = new JLabel ("Book Category:");
lbBookCategory.setForeground (Color.black);
lbBookCategory.setBounds (15, 135, 100, 20);
txtBookId = new JTextField ();
txtBookId.setHorizontalAlignment (JTextField.RIGHT);
txtBookId.addFocusListener (this);
txtBookId.setBounds (120, 15, 175, 25);
txtBookName = new JTextField ();
txtBookName.setBounds (120, 45, 175, 25);
txtBookAuthor = new JTextField ();
txtBookAuthor.setBounds (120, 75, 175, 25);
rby=new JRadioButton("yes");
rby.addActionListener(this);
rby.setBounds(120,105,60,25);
rbn=new JRadioButton("no");
rbn.addActionListener(this);
rbn.setBounds(180,105,60,25);
bg = new ButtonGroup();
bg.add(rby);
bg.add(rbn);
rbn.setSelected(true);
cboBookCategory = new JComboBox();
cboBookCategory.setBounds (120, 135, 175, 25);
btnOk = new JButton ("OK");
btnOk.setBounds (50, 175, 100, 25);
btnOk.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (170, 175, 100, 25);
btnCancel.addActionListener (this);
txtBookId.addKeyListener (new KeyAdapter ()
{
public void keyTyped (KeyEvent ke)
{
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE)))
{
getToolkit().beep ();
ke.consume ();
}
}
}
);
txtBookAuthor.addKeyListener (new KeyAdapter ()
{
public void keyTyped (KeyEvent ke)
{
char c = ke.getKeyChar ();
if (! ((Character.isLetter (c)) || (c == KeyEvent.VK_BACK_SPACE)||(c == KeyEvent.VK_SPACE)))
{
getToolkit().beep ();
ke.consume ();
}
}
}
);
pBook.setLayout (null);
pBook.add (lbBookId);
pBook.add (lbBookName);
pBook.add (lbBookAuthor);
pBook.add (lbBookRef);
pBook.add (lbBookCategory);
pBook.add (txtBookId);
pBook.add (txtBookName);
pBook.add (txtBookAuthor);
pBook.add (rby);
pBook.add (rbn);
pBook.add (cboBookCategory);
pBook.add (btnOk);
pBook.add (btnCancel);
getContentPane().add (pBook, BorderLayout.CENTER);
try {
i=0;
st = con.createStatement ();
ResultSet rs=st.executeQuery("Select * from BCat");
while(rs.next())
{
cn[i]=rs.getString(1);
i++;
}
for(j=0;j<i;j++)
{
cboBookCategory.addItem(cn[j]);
}
cboBookCategory.addActionListener(this);
cboBookCategory.setSelectedItem(cn[0]);
rs.close();
}
catch (SQLException sqlex)
{
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae)
{
Object obj = ae.getSource();
if (obj == btnOk)
{
if (txtBookId.getText().equals (""))
{
JOptionPane.showMessageDialog (this, "Book's Id not Provided.");
txtBookId.requestFocus ();
}
else if (txtBookName.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Book's Name not Provided.");
txtBookName.requestFocus ();
}
else if (txtBookAuthor.getText().equals (""))
{
JOptionPane.showMessageDialog (this, "Book's Author Name not Provided.");
txtBookAuthor.requestFocus ();
}
else
{
try {
int x = 0;
String s8 = x+"/"+x+"/"+x ;
//INSERT Query to Add Book Record in Table.
/* String q = "INSERT INTO Books " +"VALUES (" + id + ", '" + txtBookName.getText() + "', '" + txtBookAuthor.getText() + "', " + ref + ", '" + cboBookCategory.getSelectedItem() + "' ,"+ 0 + ", '" + s8 + "', '" + s8 + ")"; */
int result = st.executeUpdate ("Insert into Books values("+ id +",'" + txtBookName.getText() +"','" + txtBookAuthor.getText() +"', " + ref + ", '" + cboBookCategory.getSelectedItem().toString() +"', " + 0 + ", '"+ s8 +"' ,'"+ s8 + "')");
//Running Query.
if (result == 1) {
//If Query Successful.
JOptionPane.showMessageDialog (this, "Record has been Saved.");
txtClear (); //Clearing the TextFields.
}
else
{
//If Query Failed.
OptionPane.showMessageDialog (this, "Problem while Saving the Record.");
}
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (this, "Problem while Saving the Record Excep.");
}
}
}
if (obj == btnCancel) { /If Cancel Button Pressed Unload the From.
setVisible (false);
dispose();
}
if(obj==rby)
{
ref=1;
}
else if(obj==rbn)
{
ref=0;
}
}
public void focusGained (FocusEvent fe) { }
public void focusLost (FocusEvent fe) {
if (txtBookId.getText().equals ("")) {
}
else {
id = Integer.parseInt (txtBookId.getText ());
long bookNo;
boolean found = false;
try {
String q = "SELECT * FROM Books WHERE BId = " + id + "";
ResultSet rs = st.executeQuery (q);
rs.next ();
bookNo = rs.getLong ("BId");
if (bookNo == id) {
found = true;
txtClear ();
JOptionPane.showMessageDialog (this, id + " is already assigned.");
}
else {
found = false;
}
}
catch (SQLException sqlex)
{
}
}
}
private void txtClear () {
txtBookId.setText ("");
txtBookName.setText ("");
txtBookAuthor.setText ("");
cboBookCategory.setSelectedIndex(0);
txtBookId.requestFocus ();
}
}
AddMCat.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class AddMCat extends JInternalFrame implements ActionListener {
JPanel pNew = new JPanel();
JLabel lbUser,lbDate,lbBooks;
JTextField txtUser,txtDate,txtBooks;
JButton btnOk, btnCancel;
private Statement st;
public AddMCat (Connection con) {
super ("New Member Category", false, true, false, true);
setSize (280, 200);
lbUser = new JLabel ("Category:");
lbUser.setForeground (Color.black);
lbUser.setBounds (20, 20, 100, 25);
lbDate = new JLabel ("Days Issued:");
lbDate.setForeground (Color.black);
lbDate.setBounds (20, 55, 100, 25);
lbBooks= new JLabel ("No. of Books");
lbBooks.setForeground (Color.black);
lbBooks.setBounds (20, 90, 100, 25);
txtUser = new JTextField ();
txtUser.setBounds (100, 20, 150, 25);
txtDate = new JTextField ();
txtDate.setBounds (100, 55, 150, 25);
txtDate.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
txtBooks = new JTextField();
txtBooks.setBounds(100,90,150,25);
txtBooks.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
btnOk = new JButton ("OK");
btnOk.setBounds (20, 123, 100, 25);
btnOk.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (150, 123, 100, 25);
btnCancel.addActionListener (this);
pNew.setLayout (null);
pNew.add (lbUser);
pNew.add (lbDate);
pNew.add (lbBooks);
pNew.add (txtUser);
pNew.add (txtDate);
pNew.add (txtBooks);
pNew.add (btnOk);
pNew.add (btnCancel);
getContentPane().add (pNew);
try {
st = con.createStatement ();
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading the Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == btnOk) {
if (txtUser.getText().equals ("")) {
txtUser.requestFocus();
JOptionPane.showMessageDialog (this, "Username not Provided.");
}
else {
try {
String id= txtUser.getText();
String q = "SELECT CName FROM MeCat ";
ResultSet rs = st.executeQuery (q);
int fl=0;
while(rs.next())
{
String memberNo = rs.getString ("CName");
if(id.equals(memberNo))
{
JOptionPane.showMessageDialog(this,"Already existing Category");
txtUser.setText("");
txtUser.requestFocus();
fl=1;
break;
}
}
rs.close();
int num=0;
try{
rs= st.executeQuery("Select * From MeCat");
while(rs.next())
{
num++;
}
num++;
rs.close();
}
catch(Exception e)
{
JOptionPane.showMessageDialog (this, "Problem while Creating excep1.");
}
if(fl==0){
int result = st.executeUpdate ("Insert into MeCat Values(" + num + ", '" + txtUser.getText() + "' ," + Integer.parseInt(txtBooks.getText()) + " , " + Integer.parseInt(txtDate.getText())+ " )" );//Running Query.
if (result == 1) {
JOptionPane.showMessageDialog (this, "New Category Created.");
txtUser.setText ("");
txtUser.requestFocus ();
}
else {
JOptionPane.showMessageDialog (this, "Problem while Creating. ");
txtUser.setText ("");
txtUser.requestFocus ();
}
}
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (this, "Problem while Creating excep.");
}
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
}
}
Addmember.java
import java.awt.*;
import java.awt.event.*;
import java.util.Calendar;
import javax.swing.*;
import java.sql.*;
import java.util.*;
public class AddMember extends JInternalFrame implements ActionListener, FocusListener {
JPanel pMember = new JPanel ();
JLabel lbMemberId, lbMemberName, lbMemberpwd, lbEntryDate,lbCategory;
JTextField txtMemberId, txtMemberName, txtMemberpwd,txtMemberdate;
JButton btnOk, btnCancel;
JComboBox cboMemCategory;
Statement st;
long id = 0;
String[] cn= new String[100];
int id1,im,iy,vd,vm,vy,i;
public AddMember (Connection con) {
super ("Add New Member", false, true, false, true);
setSize (355, 250);
lbMemberId = new JLabel ("Member Id:");
lbMemberId.setForeground (Color.black);
lbMemberId.setBounds (15, 15, 100, 20);
lbMemberName = new JLabel ("Member Name:");
lbMemberName.setForeground (Color.black);
lbMemberName.setBounds (15, 45, 100, 20);
lbMemberpwd = new JLabel ("Member Pwd:");
lbMemberpwd.setForeground (Color.black);
lbMemberpwd.setBounds (15, 75, 110, 20);
lbEntryDate = new JLabel ("Entry Date:");
lbEntryDate.setForeground (Color.black);
lbEntryDate.setBounds (15, 105, 100, 20);
lbCategory = new JLabel ("Category:");
lbCategory.setForeground(Color.BLACK);
lbCategory.setBounds(15,135,100,20);
txtMemberId = new JTextField ();
txtMemberId.setHorizontalAlignment (JTextField.RIGHT);
txtMemberId.addFocusListener (this);
txtMemberId.setBounds (125, 15, 205, 25);
txtMemberName = new JTextField ();
txtMemberName.setBounds (125, 45, 205, 25);
txtMemberpwd = new JTextField ();
txtMemberpwd.setBounds (125, 75, 205, 25);
txtMemberdate=new JTextField();
txtMemberdate.setBounds(125,105,205,25);
txtMemberdate.setEditable(false);
cboMemCategory= new JComboBox();
cboMemCategory.setBounds(125,135,100,20);
GregorianCalendar gcal=new GregorianCalendar();
id= gcal.get(Calendar.DATE);
im=(int)gcal.get(Calendar.MONTH)+1;
iy=gcal.get(Calendar.YEAR);
String idate=id+"/"+im+"/"+iy;
txtMemberdate.setText(idate);
btnOk = new JButton ("OK");
btnOk.setBounds (30, 165, 125, 25);
btnOk.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (190, 165, 125, 25);
btnCancel.addActionListener (this);
txtMemberId.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
txtMemberName.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent ke) {
char c = ke.getKeyChar();
if (! ((Character.isLetter(c)) || (c == KeyEvent.VK_BACK_SPACE)||(c == KeyEvent.VK_SPACE))) {
getToolkit().beep();
ke.consume();
}
}
}
);
pMember.setLayout (null);
pMember.add (lbMemberId);
pMember.add (lbMemberName);
pMember.add (lbMemberpwd);
pMember.add (lbEntryDate);
pMember.add (txtMemberId);
pMember.add (txtMemberName);
pMember.add (txtMemberpwd);
pMember.add(txtMemberdate);
pMember.add (btnOk);
pMember.add (btnCancel);
pMember.add (lbCategory);
pMember.add (cboMemCategory);
getContentPane().add (pMember, BorderLayout.CENTER);
int j;
try {
i=0;
st = con.createStatement ();
ResultSet rs=st.executeQuery("Select * from MeCat");
while(rs.next())
{
cn[i]=rs.getString(2);
i++;
}
for(j=0;j<i;j++)
{
cboMemCategory.addItem(cn[j]);
}
cboMemCategory.addActionListener(this);
cboMemCategory.setSelectedItem(cn[0]);
rs.close();
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == btnOk) {
if (txtMemberId.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Member's Id not Provided.");
txtMemberId.requestFocus ();
}
else if (txtMemberName.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Member's Name not Provided.");
txtMemberName.requestFocus ();
}
else if (txtMemberpwd.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Member's Password not Provided.");
txtMemberpwd.requestFocus ();
}
else {
try {
int mtype=cboMemCategory.getSelectedIndex()+1;
String q = "INSERT INTO Members" + " VALUES (" + id + ", '" + txtMemberpwd.getText() + "', '" + txtMemberName.getText() + "', '" + txtMemberdate.getText() + "',"+ 0 + "," + 0 + "," + mtype + ")";
int result = st.executeUpdate (q);
if (result == 1) {
JOptionPane.showMessageDialog (this, "Record has been Saved.");
txtClear ();
}
else {
JOptionPane.showMessageDialog (this, "Problem while Saving the Record.");
}
}
catch (SQLException sqlex) {JOptionPane.showMessageDialog(this,"Error!!"); }
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
}
public void focusGained (FocusEvent fe) { }
public void focusLost (FocusEvent fe) {
if (txtMemberId.getText().equals ("")) {
}
else {
id = Integer.parseInt (txtMemberId.getText ());
long memberNo;
boolean found = false;
try {
String q = "SELECT * FROM Members WHERE id = " + id + "";
ResultSet rs = st.executeQuery (q);
rs.next ();
memberNo = rs.getLong ("id");
if (memberNo == id) {
found = true;
txtClear ();
JOptionPane.showMessageDialog (this, id + " is already assigned.");
}
else
{
found = false;
}
}
catch (SQLException sqlex) { }
}
}
private void txtClear () {
txtMemberId.setText ("");
txtMemberName.setText ("");
txtMemberpwd.setText ("");
txtMemberId.requestFocus ();
}
}
Dates.java
public class Dates
{
int m,d,y;
public Dates(int month, int day, int year)
{
m=month;
d=day;
y=year;
}
public int getMonth()
{ return m; }
public int getDay()
{ return d; }
public int getYear()
{ return y; }
public void setMonth(int month)
{ m=month; }
public void setDay(int day)
{ d=day; }
public void setYear(int year)
{ y=year; }
public String toString()
{
String s = m + "/" + d + "/" + y;
return s;
}
public long toLong()
{
long days=0;
switch(m)
{
case 12: days+=30;
case 11: days+=31;
case 10: days+=30;
case 9: days+=31;
case 8: days+=31;
case 7: days+=30;
case 6: days+=31;
case 5: days+=30;
case 4: days+=31;
case 3: days+= isLeapYear(y) ? 29 : 28;
case 2: days+=31;
case 1: days+=d-1;
}
if(y!=1900) {
int inc=(1900-y)/Math.abs(1900-y);
for(int i=y; i!=1900; i+=inc)
days += (isLeapYear(i) ? 366 : 365);
}
return days;
}
private boolean isLeapYear(int y)
{
if((y%100)==0) return (y%400)==0;
else return (y%4)==0;
}
public long getDifference(Dates date)
{ return Math.abs(toLong()-date.toLong()); }
}
DeleteBook.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
import java.util.*;
public class DeleteBook extends JInternalFrame implements ActionListener, FocusListener {
JPanel pBook = new JPanel ();
JLabel lbBookId, lbBookName, lbBookAuthor;
JTextField txtBookId, txtBookName, txtBookAuthor;
JButton btnDel, btnCancel;
Statement st;
ResultSet rs;
private long id = 0,bisued;
public DeleteBook (Connection con) {
super ("Delete Book", false, true, false, true);
setSize (325, 250);
lbBookId = new JLabel ("Book Id:");
lbBookId.setForeground (Color.black);
lbBookId.setBounds (15, 15, 100, 20);
lbBookName = new JLabel ("Book Name:");
lbBookName.setForeground (Color.black);
lbBookName.setBounds (15, 45, 100, 20);
lbBookAuthor = new JLabel ("Book Author:");
lbBookAuthor.setForeground (Color.black);
lbBookAuthor.setBounds (15, 75, 100, 20);
txtBookId = new JTextField ();
txtBookId.setHorizontalAlignment (JTextField.RIGHT);
txtBookId.addFocusListener (this);
txtBookId.setBounds (120, 15, 175, 25);
txtBookName = new JTextField ();
txtBookName.setEnabled (false);
txtBookName.setBounds (120, 45, 175, 25);
txtBookAuthor = new JTextField ();
txtBookAuthor.setEnabled (false);
txtBookAuthor.setBounds (120, 75, 175, 25);
btnDel = new JButton ("Delete Book");
btnDel.setBounds (25, 175, 125, 25);
btnDel.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (165, 175, 125, 25);
btnCancel.addActionListener (this);
txtBookId.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
pBook.setLayout (null);
pBook.add (lbBookId);
pBook.add (lbBookName);
pBook.add (lbBookAuthor);
pBook.add (txtBookId);
pBook.add (txtBookName);
pBook.add (txtBookAuthor);
pBook.add (btnDel);
pBook.add (btnCancel);
getContentPane().add (pBook, BorderLayout.CENTER);
try {
st = con.createStatement ();
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading the Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == btnDel) {
if (txtBookId.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Book's Id not Provided.");
txtBookId.requestFocus ();
}
else if(bisued!=0)
{
txtClear();
JOptionPane.showMessageDialog(this,"Book held by a member");
}
else
{
int reply = JOptionPane.showConfirmDialog (this, "Are you really want to Delete\nthe " + txtBookName.getText () + " Record?","LibrarySystem - Delete Book", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE);
if (reply == JOptionPane.YES_OPTION) {
try {
String q = "DELETE FROM Books WHERE BId = " + id + "";
txtClear ();
JOptionPane.showMessageDialog (this, "Book Deleted.");
ResultSet rs = st.executeQuery (q);
}
catch (SQLException sqlex) { }
}
else if (reply == JOptionPane.NO_OPTION) { }
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
}
public void focusGained (FocusEvent fe) { }
public void focusLost (FocusEvent fe) {
if (txtBookId.getText().equals ("")) {
}
else {
id = Integer.parseInt (txtBookId.getText ());
long bookNo;
boolean found = false;
try {
String q = "SELECT * FROM Books WHERE BId = " + id + "";
ResultSet rs = st.executeQuery (q);
rs.next ();
bookNo = rs.getLong ("BId");
bisued=rs.getLong("Mid");
if (bookNo == id) {
found = true;
txtBookId.setText ("" + id);
txtBookName.setText ("" + rs.getString ("BName"));
txtBookAuthor.setText ("" + rs.getString ("BAuthor"));
}
else {
found = false;
}
}
catch (SQLException sqlex) {
if (found == false) {
txtClear ();
JOptionPane.showMessageDialog (this, "Record not Found.");
}
}
}
}
private void txtClear () {
txtBookId.setText ("");
txtBookName.setText ("");
txtBookAuthor.setText ("");
txtBookId.requestFocus();
}
}
DeleteMember.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class DeleteMember extends JInternalFrame implements ActionListener, FocusListener {
private JPanel pMember = new JPanel ();
private JLabel lbMemberId, lbMemberName,lbMemberCat;
private JTextField txtMemberId, txtMemberName,txtCat;
private JButton btnDel, btnCancel;
private int due;
private Statement st; //Statement for Getting the Required Table.
private ResultSet rs; //For Getting the Records From Table.
private long id = 0,heldBooks; //To Hold the MemberId.
//Constructor of Class.
public DeleteMember (Connection con) {
//super (Title, Resizable, Closable, Maximizable, Iconifiable)
super ("Delete Member", false, true, false, true);
setSize (350, 222);
//Setting the Form's Labels.
lbMemberId = new JLabel ("Member Id:");
lbMemberId.setForeground (Color.black);
lbMemberId.setBounds (15, 15, 100, 20);
lbMemberName = new JLabel ("Member Name:");
lbMemberName.setForeground (Color.black);
lbMemberName.setBounds (15, 45, 100, 20);
lbMemberCat = new JLabel ("Category");
lbMemberCat.setForeground (Color.black);
lbMemberCat.setBounds (15, 75, 110, 20);
txtMemberId = new JTextField ();
txtMemberId .setHorizontalAlignment (JTextField.RIGHT);
txtMemberId.addFocusListener (this);
txtMemberId .setBounds (125, 15, 200, 25);
txtMemberName = new JTextField ();
txtMemberName.setEnabled (false);
txtMemberName.setBounds (125, 45, 200, 25);
txtCat = new JTextField ();
txtCat.setEnabled (false);
txtCat.setBounds (125, 75, 200, 25);
btnDel = new JButton ("Delete Member");
btnDel.setBounds (30, 145, 125, 25);
btnDel.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (185, 145, 125, 25);
btnCancel.addActionListener (this);
//Registering the KeyListener to Restrict user to type only Numeric in Numeric Boxes.
txtMemberId.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
//Adding All the Controls in Panel.
pMember.setLayout (null);
pMember.add (lbMemberId);
pMember.add (lbMemberName);
pMember.add(lbMemberCat);
pMember.add(txtCat);
pMember.add (txtMemberId);
pMember.add (txtMemberName);
pMember.add (btnDel);
pMember.add (btnCancel);
//Adding Panel to Form.
getContentPane().add (pMember, BorderLayout.CENTER);
try {
st = con.createStatement (); //Creating Statement Object.
}
catch (SQLException sqlex) { //If Problem then Show the User a Message.
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading the Form.");
dispose (); //Closing the Form.
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == btnDel) { //If Delete Button Pressed.
if (txtMemberId.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Member's Id not Provided.");
txtMemberId.requestFocus ();
}
else if(heldBooks!=0)
{
JOptionPane.showMessageDialog(this,"Member Holding Books..Can't Delete");
txtClear();
}
else if(due!=0)
{
JOptionPane.showMessageDialog(this,"Member Holding Books..Can't Delete");
txtClear();
}
else
{
int reply = JOptionPane.showConfirmDialog (this, "Do you really want to Delete\nthe " + txtMemberName.getText () + " Record?","LibrarySystem - Delete Member", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE);
//Check the User Selection.
if (reply == JOptionPane.YES_OPTION) { //If User's Choice Yes then.
try { //DELETE Query to Delete the Record from Table.
String q = "DELETE FROM Members WHERE id = " + id + "";
txtClear (); //Clearing the TextFields.
JOptionPane.showMessageDialog (this, "Record has been Deleted.");
ResultSet rs = st.executeQuery (q); //Executing the Query.
}
catch (SQLException sqlex) {System.out.println("problem"); }
}
//If User's Choice No then Do Nothing Return to Program.
else if (reply == JOptionPane.NO_OPTION) { }
}
}
if (obj == btnCancel) { //If Cancel Button Pressed Unload the From.
setVisible (false);
dispose();
}
}
//OverRidding the FocusListener Class Function.
public void focusGained (FocusEvent fe) { }
public void focusLost (FocusEvent fe) {
if (txtMemberId.getText().equals ("")) { //If TextField is Empty.
}
else {
id = Integer.parseInt (txtMemberId.getText ());//Converting String to Numeric.
long memberNo,memtype; //Use for Comparing the Member's Id.
boolean found = false; //To Confirm the Member's Id Existance.
try { //SELECT Query to Retrieved the Record.
String q = "SELECT * FROM Members WHERE id = " + id + "";
ResultSet rs = st.executeQuery (q); //Executing the Query.
rs.next (); //Moving towards the Record.
memberNo = rs.getLong ("id"); //Storing the Record.
heldBooks=rs.getLong("Bcnt");
due=rs.getInt(6);
memtype=rs.getLong("Mcat");
if (memberNo == id) { //If Record Found then Display Records.
found = true;
txtMemberId.setText ("" + id);
txtMemberName.setText ("" + rs.getString ("MName"));
ResultSet rs1=st.executeQuery("Select * From MeCat where Mcat="+memtype+"");
rs1.next();
txtCat.setText(""+rs1.getString("CName"));
}
else {
found = false;
}
}
catch (SQLException sqlex) {
if (found == false) {
txtClear (); //Clearing the TextFields.
JOptionPane.showMessageDialog (this, "Record not Found.");
}
}
}
}
//Function Use to Clear All the TextFields of Form.
private void txtClear () {
txtMemberId.setText ("");
txtMemberName.setText ("");
txtCat.setText("");
txtMemberId.requestFocus ();
}
}
IssueBook.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Calendar;
import java.sql.*;
import java.util.*;
public class IssueBook extends JInternalFrame implements ActionListener, FocusListener {
private JPanel pBook = new JPanel ();
private JLabel lbBookId, lbBookName, lbBookAuthor, lbBookCategory, lbMemberId, lbMemberName,lbDate1,lbDate2;
private JTextField txtBookId, txtBookName, txtBookAuthor, txtBookCategory, txtMemberId, txtMemberName,txtDate1,txtDate2;
private JButton btnOk, btnCancel;
private Statement st;
private long id = 0;
private int memberId = 0;
private int id1,im,iy,vd,vm,vy;
private String idate,vdate;
public IssueBook (Connection con) {
super ("Issue Book", false, true, false, true);
setSize (325, 340);
lbBookId = new JLabel ("Book Id:");
lbBookId.setForeground (Color.black);
lbBookId.setBounds (15, 15, 100, 20);
lbBookName = new JLabel ("Book Name:");
lbBookName.setForeground (Color.black);
lbBookName.setBounds (15, 45, 100, 20);
lbBookAuthor = new JLabel ("Book Author:");
lbBookAuthor.setForeground (Color.black);
lbBookAuthor.setBounds (15, 75, 100, 20);
lbBookCategory = new JLabel ("Book Category:");
lbBookCategory.setForeground (Color.black);
lbBookCategory.setBounds (15, 105, 100, 20);
lbMemberId = new JLabel ("Member Id:");
lbMemberId.setForeground (Color.black);
lbMemberId.setBounds (15, 135, 100, 20);
lbMemberName = new JLabel ("Member Name:");
lbMemberName.setForeground (Color.black);
lbMemberName.setBounds (15, 165, 100, 20);
lbDate1 = new JLabel ("Issue Date:");
lbDate1.setForeground (Color.black);
lbDate1.setBounds (15, 195, 100, 20);
lbDate2 = new JLabel ("Return Date:");
lbDate2.setForeground (Color.black);
lbDate2.setBounds (15, 225, 100, 20);
txtBookId = new JTextField ();
txtBookId.setHorizontalAlignment (JTextField.RIGHT);
txtBookId.addFocusListener (this);
txtBookId.setBounds (120, 15, 175, 25);
txtBookName = new JTextField ();
txtBookName.setEnabled (false);
txtBookName.setBounds (120, 45, 175, 25);
txtBookAuthor = new JTextField ();
txtBookAuthor.setEnabled (false);
txtBookAuthor.setBounds (120, 75, 175, 25);
txtBookCategory = new JTextField ();
txtBookCategory.setEnabled (false);
txtBookCategory.setBounds (120, 105, 175, 25);
txtMemberId = new JTextField ();
txtMemberId.setHorizontalAlignment (JTextField.RIGHT);
txtMemberId.addFocusListener (this);
txtMemberId.setBounds (120, 135, 175, 25);
txtMemberName = new JTextField ();
txtMemberName.setEnabled (false);
txtMemberName.setBounds (120, 165, 175, 25);
txtDate1 = new JTextField ();
txtDate1.setEnabled (false);
txtDate1.setBounds (120, 195, 175, 25);
txtDate1.setEditable(false);
txtDate2 = new JTextField ();
txtDate2.setEnabled (false);
txtDate2.setBounds (120, 225, 175, 25);
txtDate2.setEditable(false);
btnOk = new JButton ("OK");
btnOk.setBounds (50, 260, 100, 25);
btnOk.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (170, 260, 100, 25);
btnCancel.addActionListener (this);
txtBookId.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
txtMemberId.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
pBook.setLayout (null);
pBook.add (lbBookId);
pBook.add (lbBookName);
pBook.add (lbBookAuthor);
pBook.add (lbBookCategory);
pBook.add (lbMemberId);
pBook.add (lbMemberName);
pBook.add (txtBookId);
pBook.add (txtBookName);
pBook.add (txtBookAuthor);
pBook.add (txtBookCategory);
pBook.add (txtMemberId);
pBook.add (txtMemberName);
pBook.add (btnOk);
pBook.add (btnCancel);
pBook.add (txtDate1);
pBook.add (txtDate2);
pBook.add (lbDate1);
pBook.add (lbDate2);
getContentPane().add (pBook, BorderLayout.CENTER);
try {
st = con.createStatement ();
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == btnOk) {
if (txtBookId.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Book's Id not Provided.");
txtBookId.requestFocus ();
}
else if (txtMemberId.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Member's Id not Provided.");
txtMemberId.requestFocus ();
}
else {
try {
int i1= Integer.parseInt(txtMemberId.getText());
ResultSet rs = st.executeQuery("Select * from Members where id="+ i1 +"");
rs.next();
int bc=rs.getInt("Bcnt");
bc++;
int bid1=Integer.parseInt(txtBookId.getText());
int result = st.executeUpdate ("Update Members SET Bcnt="+ bc +" WHERE id="+ i1 +"");
if (result == 1) {
txtClear ();
}
else {
txtClear ();
JOptionPane.showMessageDialog (this, "Problem while Saving the Record.");
}
System.out.println("came 1");
result = st.executeUpdate("Update Books SET Mid= "+ i1 + ", BIssue = '"+ idate +"', BReturn = '"+vdate+"' where Bid="+bid1+"");
System.out.println("came 2");
if (result == 1) {
txtClear ();
JOptionPane.showMessageDialog (this, "Record has been Saved.");
}
else {
txtClear ();
JOptionPane.showMessageDialog (this, "Problem while Saving the Record.");
}
}
catch (SQLException sqlex) {JOptionPane.showMessageDialog (this, "Problem"); }
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
}
public void focusGained (FocusEvent fe) { }
public void focusLost (FocusEvent fe) {
Object obj = fe.getSource ();
if (obj == txtBookId) {
if (txtBookId.getText().equals ("")) {
}
else {
id = Integer.parseInt (txtBookId.getText ());
long bookNo;
boolean found = false;
try {
String q = "SELECT * FROM Books WHERE BId = " + id + "";
ResultSet rs = st.executeQuery (q);
rs.next ();
bookNo = rs.getLong ("BId");
int mid=rs.getInt("Mid");
int bref=rs.getInt("BRef");
if(bref==1)
{
txtClear();
JOptionPane.showMessageDialog (this, "Ref Book Can't Be Issued.");
}
if(mid!=0)
{
txtClear();
JOptionPane.showMessageDialog(this,"Book Already Issued");
}
if (bookNo == id) {
found = true;
txtBookId.setText ("" + id);
txtBookName.setText ("" + rs.getString ("BName"));
txtBookAuthor.setText ("" + rs.getString ("BAuthor"));
txtBookCategory.setText ("" + rs.getString ("BCat"));
}
else {
found = false;
}
}
catch (SQLException sqlex) {
if (found == false) {
txtBookId.requestFocus ();
txtBookId.setText ("");
txtBookName.setText ("");
txtBookAuthor.setText ("");
txtBookCategory.setText ("");
JOptionPane.showMessageDialog (this, "Record not Found.");
}
}
}
}
else if (obj == txtMemberId) {
if (txtMemberId.getText().equals ("")) {
}
else {
memberId = Integer.parseInt (txtMemberId.getText ());
int memberNo,memberDays,memberBooks,memberCat,heldBooks;
boolean find = false;
try {
String q = "SELECT * FROM Members WHERE id = " + memberId + "";
ResultSet rs = st.executeQuery (q);
rs.next ();
memberNo = rs.getInt ("id");
if (memberNo == memberId) {
find = true;
memberCat=rs.getInt("MCat");
heldBooks=rs.getInt("Bcnt");
txtMemberName.setText ("" + rs.getString ("MName"));
rs.close();
ResultSet rs1= st.executeQuery("Select * from Mecat where MCat = " + memberCat + "" );
rs1.next();
memberBooks=rs1.getInt("Blmt");
memberDays=rs1.getInt("Dlmt");
if(heldBooks==memberBooks)
{
txtClear();
JOptionPane.showMessageDialog (this, "Book Limit Reached");
dispose();
}
GregorianCalendar gcal=new GregorianCalendar();
id1= gcal.get(Calendar.DATE);
im=(int)gcal.get(Calendar.MONTH)+1;
iy=gcal.get(Calendar.YEAR);
vd=id1+memberDays;
vm=im;
vy=iy;
String xx,yy,zz;
if(id1<10) {
xx="0"+id1;
}
else
{
xx = ""+id1;
}
if(im<10) {
yy="0"+im;
}
else
{
yy = ""+im;
}
idate=xx+"/"+yy+"/"+iy;
while(vd>31) {
if(im==1||im==3||im==5||im==7||im==8||im==10||im==12)
{
if(vd>31){
im=im+1;
vd=vd-31;
if(im>12){
im=im-12;
iy=iy+1;
}}}
if(im==4||im==6||im==9||im==11){
if(vd>30){
im=im+1;
vd=vd-30;
if(im>12){
im=im-12;
iy=iy+1;}
}}
if(im==2){
if(vd>28){
im=im+1;
vd=vd-28;
if(im>12){
im=im-12;
iy=iy+1;
}}}
}
vdate = vd+"/"+im+"/"+iy;
txtMemberId.setText ("" + memberId);
txtDate1.setText(idate);
txtDate2.setText(vdate);
}
else {
find = false;
}
}
catch (SQLException sqlex) {
if (find == false) {
txtClear ();
JOptionPane.showMessageDialog (this, "Record not Found.");
}
}
}
}
}
private void txtClear () {
txtBookId.setText ("");
txtBookName.setText ("");
txtBookAuthor.setText ("");
txtBookCategory.setText ("");
txtMemberId.setText ("");
txtMemberName.setText ("");
txtBookId.requestFocus ();
}
}
LibrarySystem.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
import java.util.*;
import java.text.*;
import java.io.*;
public class LibrarySystem extends JFrame implements ActionListener
{
private JDesktopPane desktop = new JDesktopPane ();
JMenuBar bar;
JMenu mnuFile, mnuEdit;
JMenuItem newBook,newMember, printBook, printIssueBook;
JMenuItem issueBook, returnBook, delBook, findBook;
private JToolBar toolBar;
private JButton btnNewBook, btnIssue, btnReturn, btnPrintIssue, btnDelBook,btnFindBook;
private JPanel statusBar = new JPanel ();
Connection con;
Statement st;
String userName;
public LibrarySystem (int type,int user, Connection conn)
{
super ("Library Management System.");
setIconImage (getToolkit().getImage ("Images/Warehouse.png"));
setSize (700, 550);
setLocation((Toolkit.getDefaultToolkit().getScreenSize().width - getWidth()) / 2,
(Toolkit.getDefaultToolkit().getScreenSize().height - getHeight()) / 2);
addWindowListener (new WindowAdapter () {
public void windowClosing (WindowEvent we) {
//quitApp ();
}
}
);
bar = new JMenuBar ();
setJMenuBar (bar);
mnuFile = new JMenu ("File");
mnuFile.setMnemonic ((int)'E');
mnuEdit = new JMenu ("Edit");
mnuEdit.setMnemonic ((int)'E');
newBook = new JMenuItem ("Add New Book");
newBook.setAccelerator (KeyStroke.getKeyStroke(KeyEvent.VK_N, Event.CTRL_MASK));
newBook.setMnemonic ((int)'N');
newBook.addActionListener (this);
newMember = new JMenuItem ("Add New Member");
newMember.setAccelerator (KeyStroke.getKeyStroke(KeyEvent.VK_M, Event.CTRL_MASK));
newMember.setMnemonic ((int)'M');
newMember.addActionListener (this);
issueBook = new JMenuItem ("Issue Book");
issueBook.setAccelerator (KeyStroke.getKeyStroke(KeyEvent.VK_I, Event.CTRL_MASK));
issueBook.setMnemonic ((int)'I');
issueBook.addActionListener (this);
returnBook = new JMenuItem ("Return Book");
returnBook.setAccelerator (KeyStroke.getKeyStroke(KeyEvent.VK_R, Event.CTRL_MASK));
returnBook.setMnemonic ((int)'R');
returnBook.addActionListener (this);
delBook = new JMenuItem ("Delete Book");
delBook.setAccelerator (KeyStroke.getKeyStroke(KeyEvent.VK_D, Event.CTRL_MASK));
delBook.setMnemonic ((int)'D');
delBook.addActionListener (this);
findBook = new JMenuItem ("Search Book");
findBook.setAccelerator (KeyStroke.getKeyStroke(KeyEvent.VK_F, Event.CTRL_MASK));
findBook.setMnemonic ((int)'F');
findBook.addActionListener (this);
mnuFile.add (newBook);
mnuFile.add (newMember);
mnuEdit.add (issueBook);
mnuEdit.add (returnBook);
mnuEdit.addSeparator ();
mnuEdit.add (delBook);
mnuEdit.addSeparator ();
mnuEdit.add (findBook);
bar.add (mnuFile);
bar.add (mnuEdit);
btnNewBook = new JButton (new ImageIcon ("Images/NotePad.gif"));
btnNewBook.setToolTipText ("Add New Book");
btnIssue = new JButton (new ImageIcon ("Images/Film.gif"));
btnIssue.setToolTipText ("Issue Book");
btnReturn = new JButton (new ImageIcon ("Images/Backup.gif"));
btnReturn.setToolTipText ("Return Book");
btnDelBook = new JButton (new ImageIcon ("Images/Recycle.gif"));
btnDelBook.setToolTipText ("Delete Book");
btnFindBook = new JButton (new ImageIcon ("Images/Mirror.gif"));
btnFindBook.setToolTipText ("Search Book");
btnFindBook.addActionListener (this);
toolBar = new JToolBar ();
toolBar.add (btnNewBook);
toolBar.addSeparator ();
toolBar.add (btnIssue);
toolBar.add (btnReturn);
toolBar.addSeparator ();
toolBar.add (btnDelBook);
toolBar.addSeparator ();
toolBar.add (btnFindBook);
if(type==1)
userName="Admin";
else if(type==2)
{
}
else if(type==3)
{
}
//Setting the Contents of Programs.
getContentPane().add (toolBar, BorderLayout.NORTH);
getContentPane().add (desktop, BorderLayout.CENTER);
getContentPane().add (statusBar, BorderLayout.SOUTH);
//Getting the Database.
con = conn;
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == newBook ) {
boolean b = openChildWindow ("Add New Book");
if (b == false) {
AddBook adBook = new AddBook (con);
desktop.add (adBook);
adBook.show ();
}
}
else if (obj == newMember )
{
boolean b = openChildWindow ("Add New Member");
if (b == false) {
AddMember adMember = new AddMember (con);
desktop.add (adMember);
adMember.show ();
}
}
else if (obj == issueBook )
{
boolean b = openChildWindow ("Issue Book");
if (b == false) {
IssueBook isBook = new IssueBook (con);
desktop.add (isBook);
isBook.show ();
}
}
else if (obj == returnBook)
{
boolean b = openChildWindow ("Return Book");
if (b == false) {
ReturnBook rtBook = new ReturnBook (con);
desktop.add (rtBook);
rtBook.show ();
}
}
else if (obj == delBook)
{
boolean b = openChildWindow ("Delete Book");
if (b == false)
{
DeleteBook dlBook = new DeleteBook (con);
desktop.add (dlBook);
dlBook.show ();
}
}
else if (obj == findBook )
{
boolean b = openChildWindow ("Search Books");
if (b == false) {
SearchBook srBook = new SearchBook (con);
desktop.add (srBook);
srBook.show ();
}
}
}
private boolean openChildWindow (String title)
{
JInternalFrame[] childs = desktop.getAllFrames ();
for (int i = 0; i < childs.length; i++) {
if (childs[i].getTitle().equalsIgnoreCase (title))
{
childs[i].show ();
return true;
}
}
return false;
}
}
ReturnBook.java
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Date;
import java.util.Calendar;
import java.util.*;
import java.text.SimpleDateFormat;
import java.sql.*;
public class ReturnBook extends JInternalFrame implements ActionListener, FocusListener {
private JPanel pBook = new JPanel ();
private JLabel lbBookId, lbBookName,lbIssued;
private JTextField txtBookId, txtBookName, txtIssued;
private String urdate;
private JButton btnReturn, btnCancel;
private int id1,im,iy,vd,vm,vy,due;
private Statement st;
private ResultSet rs;
private long id = 0;
private int mid,bc;
public ReturnBook (Connection con) {
super ("Return Book", false, true, false, true);
setSize (325, 250);
lbBookId = new JLabel ("Book Id:");
lbBookId.setForeground (Color.black);
lbBookId.setBounds (15, 15, 100, 20);
lbBookName = new JLabel ("Book Name:");
lbBookName.setForeground (Color.black);
lbBookName.setBounds (15, 45, 100, 20);
lbIssued = new JLabel ("Book Issued To:");
lbIssued.setForeground (Color.black);
lbIssued.setBounds (15, 75, 100, 20);
txtBookId = new JTextField ();
txtBookId.setHorizontalAlignment (JTextField.RIGHT);
txtBookId.addFocusListener (this);
txtBookId.setBounds (120, 15, 175, 25);
txtBookName = new JTextField ();
txtBookName.setEnabled (false);
txtBookName.setBounds (120, 45, 175, 25);
txtIssued = new JTextField ();
txtIssued.setEnabled (false);
txtIssued.setBounds (120, 75, 175, 25);
btnReturn = new JButton ("Return Book");
btnReturn.setBounds (25, 175, 125, 25);
btnReturn.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (165, 175, 125, 25);
btnCancel.addActionListener (this);
txtBookId.addKeyListener (new KeyAdapter () {
public void keyTyped (KeyEvent ke) {
char c = ke.getKeyChar ();
if (! ((Character.isDigit (c)) || (c == KeyEvent.VK_BACK_SPACE))) {
getToolkit().beep ();
ke.consume ();
}
}
}
);
pBook.setLayout (null);
pBook.add (lbBookId);
pBook.add (lbBookName);
pBook.add (lbIssued);
pBook.add (txtBookId);
pBook.add (txtBookName);
pBook.add (txtIssued);
pBook.add (btnReturn);
pBook.add (btnCancel);
getContentPane().add (pBook, BorderLayout.CENTER);
try {
st = con.createStatement ();
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading the Form.");
dispose ();
}
GregorianCalendar gcal=new GregorianCalendar();
id1= gcal.get(Calendar.DATE);
im=(int)gcal.get(Calendar.MONTH)+1;
iy=gcal.get(Calendar.YEAR);
String xx,yy,zz;
if(id1<10) {
xx="0"+id1;
} else {
xx = ""+id1;
}
if(im<10) {
yy="0"+im;
}
else
{
yy = ""+im;
}
urdate=xx+"/"+yy+"/"+iy;
setVisible (true);
}
public void actionPerformed (ActionEvent ae)
{
Object obj = ae.getSource();
if (obj == btnReturn) {
if (txtBookId.getText().equals (""))
{
JOptionPane.showMessageDialog (this, "Book's Id not Provided.");
txtBookId.requestFocus ();
}
else {
try {
int rd,rm,ry,urd,urm,ury,x;
long v,v1,fine;
Dates d1,d2;
bc--;
id = Integer.parseInt (txtBookId.getText ());
ResultSet rs = st.executeQuery ("select * from Books WHERE BId ="+id+"");
//Executing the Query.
rs.next();
String ard=rs.getString("BReturn");
System.out.println("came here 1");
rs.close();
String sr=urdate;
StringTokenizer st2 = new StringTokenizer(sr,"/");
urd=Integer.parseInt(st2.nextToken());
urm=Integer.parseInt(st2.nextToken());
ury=Integer.parseInt(st2.nextToken());
d2= new Dates(urm,urd,ury);
StringTokenizer st1 = new StringTokenizer(ard,"/");
rd=Integer.parseInt(st1.nextToken());
rm=Integer.parseInt(st1.nextToken());
ry=Integer.parseInt(st1.nextToken());
d1=new Dates(rm,rd,ry);
v = d1.toLong();
v1 = d2.toLong();
fine=v1-v;
if(fine<=0)
fine=0;
else
{
int reply = JOptionPane.showConfirmDialog (this, "Will you pay the Fine of Rs."+fine+"now","FinePay", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE);
if (reply == JOptionPane.YES_OPTION)
{}
else if (reply == JOptionPane.NO_OPTION)
{
due+=fine;
}
}
x=st.executeUpdate("Update Books Set Mid ="+0+" WHERE Bid ="+id+"");
x=st.executeUpdate("Update Members Set Bcnt ="+bc+", Mbdues="+due+" WHERE id ="+mid+"");
JOptionPane.showMessageDialog (this, "Book Returned");
txtClear();
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (this, "Problem");
}
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
}
public void focusGained (FocusEvent fe) { }
public void focusLost (FocusEvent fe) {
if (txtBookId.getText().equals ("")) {
}
else {
id = Integer.parseInt (txtBookId.getText ());
long bookNo;
boolean found = false;
try {
ResultSet rs = st.executeQuery ("Select * from Books where BId="+id+""); //Executing the Query.
rs.next ();
bookNo = rs.getLong ("BId");
if (bookNo == id) {
found = true;
txtBookId.setText ("" + id);
txtBookName.setText ("" + rs.getString ("BName"));
mid=rs.getInt("Mid");
if(mid==0)
{
JOptionPane.showMessageDialog(this,"Not an Issued Book");
dispose();
}
else
{
ResultSet rs1=st.executeQuery("Select * from Members where id="+mid+"");
rs1.next();
txtIssued.setText ("" + rs1.getString (3));
bc=rs1.getInt("Bcnt");
due=rs1.getInt(6);
}
}
else {
found = false;
}
}
catch (SQLException sqlex) {
if (found == false) {
txtClear ();
JOptionPane.showMessageDialog (this, "Record not Found.");
}
}
}
}
private void txtClear () {
txtBookId.setText ("");
txtBookName.setText ("");
txtIssued.setText ("");
txtBookId.requestFocus ();
}
}
SearchBook.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class SearchBook extends JInternalFrame implements ActionListener {
JPanel pBook = new JPanel ();
JLabel lbSearch;
JRadioButton rb1,rb2,rb3,rb4;
JTextField txtSearch;
JButton btnFind, btnCancel;
int flag=0;
Statement st;
String bname,bauthor,bcat,search;
int bref,bmid,bid,rows=0;
JTable table;
JScrollPane jsp;
Object data1[][];
Container c;
public SearchBook (Connection con) {
super ("Search Books", false, true, false, true);
setSize (510, 300);
lbSearch = new JLabel ("Search Field");
lbSearch.setForeground (Color.black);
lbSearch.setBounds (15, 15, 100, 20);
txtSearch = new JTextField ();
txtSearch.setBounds (120, 15, 175, 25);
btnFind = new JButton ("Find Book");
btnFind.setBounds (25, 175, 125, 25);
btnFind.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (165, 175, 125, 25);
btnCancel.addActionListener (this);
rb1=new JRadioButton("By Title");
rb1.addActionListener(this);
rb1.setBounds (15, 45, 100, 20);
rb2=new JRadioButton("By Author");
rb2.addActionListener(this);
rb2.setBounds (15, 75, 100, 20);
rb3=new JRadioButton("By Category");
rb3.addActionListener(this);
rb3.setBounds (15, 105, 100, 20);
rb4=new JRadioButton("By id");
rb4.addActionListener(this);
rb4.setBounds(15,135,100,20);
pBook.setLayout (null);
pBook.add(lbSearch);
pBook.add(txtSearch);
pBook.add(btnFind);
pBook.add(btnCancel);
ButtonGroup bg=new ButtonGroup();
bg.add(rb1);
bg.add(rb2);
bg.add(rb3);
bg.add(rb4);
pBook.add(rb1);
pBook.add(rb2);
pBook.add(rb3);
pBook.add(rb4);
rb1.setSelected(true);
getContentPane().add (pBook, BorderLayout.CENTER);
c=getContentPane();
try
{
st = con.createStatement ();
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == btnFind) {
if (txtSearch.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Search Field not Provided.");
txtSearch.requestFocus ();
}
else
{
String bname1,bauthor1,bcat1;
int num;
boolean found = false;
try {
String q,bavl,bisr;
num=st.executeUpdate("Delete * from BSearch");
ResultSet rs = st.executeQuery ("SELECT * FROM Books "); //Executing the Query.
search=txtSearch.getText();
search=search.toLowerCase();
while(rs.next())
{
bname=rs.getString(2);
bauthor=rs.getString("BAuthor");
bcat=rs.getString("BCat");
bref=rs.getInt("BRef");
if(bref==1) bisr="Yes";
else bisr="No";
bmid=rs.getInt("Mid");
if(bmid==0) bavl="Available";
else bavl="Issued:"+ bmid;
bid=rs.getInt("BId");
if(flag==0)
{
bname1=bname.toLowerCase();
if(bname1.equals(search)||(bname1.indexOf(search)!=-1))
{
System.out.println("Came Here2");
num=st.executeUpdate("insert into BSearch values("+bid+", '"+bname+"' , '"+bcat+"' , '"+bauthor+"' , '"+bavl+"', '"+bisr+"')");
rows++;
found=true;
}
}
else if(flag==1)
{
bauthor1=bauthor.toLowerCase();
if(bauthor1.equals(search)||(bauthor1.indexOf(search)!=-1))
{
num=st.executeUpdate("insert into BSearch values("+bid+", '"+bname+"' , '"+bcat+"' , '"+bauthor+"' , '"+bavl+"', '"+bisr+"')");
rows++;
found=true;
}
}
else if(flag==2)
{
bcat1=bcat.toLowerCase();
if(bcat1.equals(search)||(bcat1.indexOf(search)!=-1))
{
num=st.executeUpdate("insert into BSearch values("+bid+", '"+bname+"' , '"+bcat+"' , '"+bauthor+"' , '"+bavl+"', '"+bisr+"')");
rows++;
found=true;
}
}
else if(flag==3)
{
if(bid==Integer.parseInt(txtSearch.getText()))
{
rows++;
num=st.executeUpdate("insert into BSearch values("+bid+", '"+bname+"' , '"+bcat+"' , '"+bauthor+"' , '"+bavl+"', '"+bisr+"')");
found=true;
}
}
}
}
catch(SQLException sqlex) {
if (found == false) {
JOptionPane.showMessageDialog (this, "Record not Found.");
}
}
try{
data1=new Object[rows][6];
Object[] Colheads={"Book Id","Book Name","Category","Author","Availability","Reference"};
ResultSet rs=st.executeQuery("Select * from BSearch");
for(int i1=0;i1<rows;i1++)
{
rs.next();
for(int j1=0;j1<6;j1++)
{
data1[i1][j1]=rs.getString(j1+1);
}
}
table=new JTable(data1,Colheads);
int v=ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
int h=ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
System.out.println("hai we came here");
jsp=new JScrollPane(table,v,h);
TableDisp td=new TableDisp(table);
}
catch(Exception sqlex) {
if (found == false) {
JOptionPane.showMessageDialog (this, "Some prob Found.");
}
}
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
if(obj==rb1)
{
flag=0;
}
if(obj==rb2)
{
flag=1;
}
if(obj==rb3)
{
flag=2;
}
if(obj==rb4)
{
flag=3;
}
}
}
SearchMember.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class SearchMember extends JInternalFrame implements ActionListener
{
JPanel pBook = new JPanel ();
JLabel lbSearch;
JRadioButton rb1,rb2;
JTextField txtSearch;
JButton btnFind, btnCancel;
int flag=0,rows=0;
Statement st;
String mname,mcat,search;
JTable table;
Object data1[][];
Container c;
int mid,bcnt;
public SearchMember (Connection con)
{
super ("Search Members", false, true, false, true);
setSize (325, 250);
lbSearch = new JLabel ("Search Field");
lbSearch.setForeground (Color.black);
lbSearch.setBounds (15, 15, 100, 20);
txtSearch = new JTextField ();
txtSearch.setBounds (120, 15, 175, 25);
btnFind = new JButton ("Find Member");
btnFind.setBounds (25, 175, 125, 25);
btnFind.addActionListener (this);
btnCancel = new JButton ("Cancel");
btnCancel.setBounds (165, 175, 125, 25);
btnCancel.addActionListener (this);
rb1=new JRadioButton("By Id");
rb1.addActionListener(this);
rb1.setBounds (15, 45, 100, 20);
rb2=new JRadioButton("By Name");
rb2.addActionListener(this);
rb2.setBounds (15, 75, 100, 20);
pBook.setLayout (null);
pBook.add(lbSearch);
pBook.add(txtSearch);
pBook.add(btnFind);
pBook.add(btnCancel);
ButtonGroup bg=new ButtonGroup();
bg.add(rb1);
bg.add(rb2);
pBook.add(rb1);
pBook.add(rb2);
rb1.setSelected(true);
getContentPane().add (pBook, BorderLayout.CENTER);
try
{
st = con.createStatement ();
}
catch (SQLException sqlex) {
JOptionPane.showMessageDialog (null, "A Problem Occurs While Loading Form.");
dispose ();
}
setVisible (true);
}
public void actionPerformed (ActionEvent ae) {
Object obj = ae.getSource();
if (obj == btnFind) {
if (txtSearch.getText().equals ("")) {
JOptionPane.showMessageDialog (this, "Search Field not Provided.");
txtSearch.requestFocus ();
}
else
{
String mname1;
int num,id,catid,bcnt1;
boolean found = false;
ResultSet rs,rs1,rs3;
try {
String bavl,text,tts;
num=st.executeUpdate("Delete * from MSearch");
if(flag==0)
{
id=Integer.parseInt(txtSearch.getText());
rs=st.executeQuery("Select * from Members where id="+id+"");
rs.next();
bavl=rs.getString("Mname");
catid=rs.getInt(7);
bcnt=rs.getInt(5);
s1=st.executeQuery("Select * from MeCat where Mcat="+catid+"");
rs1.next();
mcat=rs1.getString("CName");
bcnt1=rs1.getInt("Blmt");
rs3=st.executeQuery("Select * from Books where Mid="+id+"");
text="Name: "+bavl+"\n Category: "+mcat+"\n Books Held: "+bcnt+"\n Book Limit: "+bcnt1+"\n";
text+="Books Held:\n";
while(rs3.next())
{
tts=rs3.getString(2);
text+=tts+"\n";
}
JOptionPane.showMessageDialog(this,text);
txtSearch.setText("");
txtSearch.requestFocus();
}
else
{
search=txtSearch.getText();
search=search.toLowerCase();
rs=st.executeQuery("Select * from Members");
while(rs.next())
{
mname=rs.getString(3);
mid=rs.getInt(1);
bcnt=rs.getInt(5);
catid=rs.getInt(7);
if(flag==1)
{
mname1=mname.toLowerCase();
if(mname1.equals(search)||(mname1.indexOf(search)!=-1))
{
rs1=st.executeQuery("Select * from MeCat where Mcat="+catid+"");
rs1.next();
mcat=rs1.getString("CName");
bcnt1=rs1.getInt("Blmt");
num=st.executeUpdate("insert into MSearch values("+mid+", '"+mname+"' ,"+bcnt+", '"+mcat+"',"+bcnt1+")");
rows++;
found=true;
}
}
}
}
catch(SQLException sqlex) {
if (found == false) {
JOptionPane.showMessageDialog (this, "Record not Found.");
}
}if(flag==1){
try{
data1=new Object[rows][5];
Object[] Colheads={"Member Id","Name","Books Held","Category","Book Limit"};
ResultSet rs2=st.executeQuery("Select * from MSearch");
for(int i1=0;i1<rows;i1++)
{
rs2.next();
for(int j1=0;j1<5;j1++)
{
data1[i1][j1]=rs2.getString(j1+1);
}
}
table=new JTable(data1,Colheads);
TableDisp td=new TableDisp(table);
txtSearch.setText("");
txtSearch.requestFocus();
}
catch(Exception sqlex) {
if (found == false) {
JOptionPane.showMessageDialog (this, "Some prob Found.");
}
}
}
}
}
if (obj == btnCancel) {
setVisible (false);
dispose();
}
if(obj==rb1)
{
flag=0;
}
if(obj==rb2)
{
flag=1;
}
}
}
TableDisp.java
import java.awt.*;
import javax.swing.*;
public class TableDisp extends JFrame
{
private JPanel pBook = new JPanel ();
private JScrollPane scroller;
private JTable table;
public TableDisp(JTable j)
{
super("Table Display");
setSize(500,300);
pBook.setLayout (null);
table=j;
scroller = new JScrollPane (table);
scroller.setBounds (20, 50, 460, 200);
pBook.add(scroller);
getContentPane().add (pBook, BorderLayout.CENTER);
setVisible(true);
}
}
