Library management system

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.table.*;
import java.sql.*;
import java.util.*;
public class MyLibrarian
{
static JFrame
fr2,fr3,fr4,fr5,fr6,fr7,fr8,fr9,fr10,fr11,fr12,fr13,fr14;
static JPanel p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14;
JButton LOGIN=new JButton("LOGIN");
JButton
ADD,AddNewBook,DELETE,DelOldBook,ADDNEWUSER,AddThisUser,DELEXIST
USER,DelThisUser,CHANGEPW;
JButton
MARKEOI,CHANGEMYPW,QUERY,RUNQUERY,REPORT,ISSUE_BOOK,ADD_BORROWER
,AddThisBorrower;
JButton
CLOSE_BORROWER,CloseThisBorrower,VIEW_REC,MODIFY_REC,showItButto
n;
JLabel jLabel, jLabel1, jLabel2,l1,l2,l3,l4,l5,l6,l7,l8,l9,l10;
JTextField
section,bookname,author,price,availcode,currentborrower,serno,bo
name,boaddress;
JTextField
bophoneno,borrowerNewMagazine,borrowerPhoneNo,borrowerLastMagazi
ne;
JPasswordField loginname,loginpass,oldpw,newpw,newpwc;
JTextField
username,password,Designation,loginpassback,usrname,fboserial;
JTextField
borrowerSerialno,borrowerName,borrowerAddress,borrowerLastBook,b
orrowerStatus;

JTextField borrowerNewBook;
//JTextField loginname = new JTextField(20);
//JTextField loginpass = new JTextField(20);
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
String t1;
String url="jdbc:odbc:BANK";
String driver="sun.jdbc.odbc.JdbcOdbcDriver";
String
sql,sq,sqUsr,sbookd,sdUsr,squpdate,dialogmessage,serialno,squpda
te_book,squpdate_mag;
int dialogtype = JOptionPane.PLAIN_MESSAGE;
String dialogs = "SUCCESS";
String dialogf = "FAILURE";
String dialogd = "DELETION OK ?";
String dialogw = "WARNING !!!";
DefaultTableModel defaulttablemodel = new DefaultTableModel();
boolean DelFlag,AddFlag,DelUsrFlag,AddUsrFlag;
Font dataFont = new Font("times new roman",Font.PLAIN,15);
String loginnameback;
//GregorianCalendar gCal;
//Following is required for running a query on database.
JCheckBox jCheckboxq1, jCheckboxq2, jCheckboxq3, jCheckboxq4,
jCheckboxq5;
CheckBoxListener myListener = new CheckBoxListener();
JRadioButton jRadiobuttonq1, jRadiobuttonq2;
ActionListener rlistener = new RadioListener();
ButtonGroup bgq = new ButtonGroup();
GridBagConstraints c5 = new GridBagConstraints();
JComboBox jComboboxq1, jComboboxq2;
ComboBoxListener cbListener = new ComboBoxListener();
JTextField givencondition;
JTextArea resultArea;
JLabel jLabelq1, jLabelq2;

int
SerialNoSel=0,BookNameSel=0,AuthorSel=0,PriceSel=0,CurrentBorrow
erSel=0;
String Combo1sel="SerialNo", Combo2sel="=";
String sr;
String condsel="No Condition";
String qry = "";
//Following is required for Book Reports
Object[] data = new Object[5];
//DefaultTableModel defaulttablemodel = new DefaultTableModel();
JTable jtable = new JTable(defaulttablemodel);
String tempname = "";
int tempcnt;
//Following is required to generate proper message
String msgsel1="Are You Sure?";
String msgesel2;
int n;
JFrame frame;
public static void main(String[] args)
{
MyLibrarian c1=new MyLibrarian();
}
public MyLibrarian()
{
//setupMenuBar();
login();
}
void login()
{
fr2=new JFrame("Login Panel MyLibrarian v1.0");
fr2.setVisible(true);

fr2.setSize(600,300);
fr2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
p2=new JPanel();
p2.setLayout(gridbag);
p2.setBorder(BorderFactory.createTitledBorder(BorderFactory.crea
teEtchedBorder(),"Login Panel"));
jLabel1 = new JLabel("Enter Username : ");
jLabel1.setFont(dataFont);
//c.weighty = 0.0; //Vertical Space
c.ipady = 1; //Height of
Component
c.ipadx = 1;
//Width of Component
c.anchor = GridBagConstraints.WEST;
c.gridwidth =1; //1 columns wide
c.gridx = 0; //aligned
with button 0 -- Very Important
c.gridy = 0; //0th Row -
- Very Important
// Add all these features to this
Label "jLabel1"
gridbag.setConstraints(jLabel1, c);
p2.add(jLabel1);
loginname = new JPasswordField(10);
loginname.setEchoChar('*');
c.ipady = 1;
c.ipadx = 1;
//c.weighty = 0.0;

c.gridwidth = 2;
c.gridx = 1;
c.gridy = 0;
gridbag.setConstraints(loginname, c);
p2.add(loginname);
jLabel2 = new JLabel("Enter Password : ");
jLabel2.setFont(dataFont);
c.ipady = 1;
c.ipadx = 1;
//c.weighty = 0.0;
//c.anchor = GridBagConstraints.WEST;
//c.gridwidth = 1;
c.gridx = 0;
c.gridy = 1;
gridbag.setConstraints(jLabel2, c);
p2.add(jLabel2);
loginpass = new JPasswordField(10);
loginpassback = loginpass;
loginpass.setEchoChar('*');
c.ipady = 1;
c.ipadx = 1;
//c.weighty = 0.0;
//c.anchor = GridBagConstraints.WEST;
//c.gridwidth = 2;
c.gridx = 1;
c.gridy = 1;
gridbag.setConstraints(loginpass, c);
p2.add(loginpass);
LOGIN = new JButton("LOGIN");
c.ipady = 1;
c.ipadx = 1;
c.weighty = 0.0;

c.anchor = GridBagConstraints.CENTER;
c.gridwidth = 0;
c.gridx =0;
c.gridy =4;
gridbag.setConstraints(LOGIN, c);
p2.add(LOGIN);
LOGIN.addActionListener(new
ButtonHandler());
fr2.getContentPane().add(p2);
JFrame.setDefaultLookAndFeelDecorated(true);
}
class ButtonHandler implements ActionListener
{
public void actionPerformed(ActionEvent ev)
{
String s=ev.getActionCommand();
//see which button is click accordingly
call its method
if(s=="LOGIN")
{
// call method getaccess();
getaccess();
}
else if(s=="ADD NEW BOOK")
{
addnewbook();
}
else if(s=="ADD THIS BOOK")

{
AddFlag=true;
LIBCONFIRM();
}
else if(s=="DELETE EXISTING BOOK")
{
deloldbook();
}
else if(s=="DELETE THIS BOOK")
{
DelFlag=true;
LIBCONFIRM();
}
else if(s=="ADD NEW USER")
{
addnewuser();
}
else if (s=="ADD THIS USER")
{
AddUsrFlag=true;
USRCONFIRM();
}
else if(s=="DELETE EXISTING USER")
{
delexistuser();
}
else if(s=="DELETE THIS USER")
{
DelUsrFlag=true;
USRCONFIRM();

}
else if(s=="CHANGE PASSWORD")
{
CHPW();
}
else if(s=="CHANGE MY PASSWORD")
{
PWCHG();
}
else if(s=="RUN QUERY")
{
QueryBuilder();
}
else if(s=="RUN THIS QUERY")
{
handleQuery();
}
else if(s=="REPORTS")
{
BookReports();
}
else if(s=="ADD NEW BORROWER")
{
addnewborrower();
}
else if(s=="ADD THIS BORROWER")
{

BORROWER_ADD();
}
else if (s=="ISSUE BOOK")
{
ISSUE_BOOK();
}
else if (s=="VIEW")
{
ExtractBookRecord();
}
else if (s=="MODIFY")
{
UpdateBorrowerRecord();
}
}
}
void getaccess()
{
try
{
String var1
= loginname.getText();
var1 = var1.trim();
loginnameback = var1;
String var2
= loginpass.getText();
var2 = var2.trim();
sql = "SELECT * FROM login WHERE username='"+var1+"' AND
password='"+var2+"'";

Class.forName(driver);
Connection connection=DriverManager.getConnection(url);
Statement statement = connection.createStatement();
boolean hasResults = statement.execute(sql);
if(hasResults)
{
ResultSet result =
statement.getResultSet();
if(result!=null)
{
displayResults(result);
}
connection.close();
}
}
catch(Exception ex)
{
}
}
void displayResults(ResultSet r) throws SQLException
{
ResultSetMetaData rmeta =
r.getMetaData();
//Get Metadata from resultset
int foundrec = 0;
int numColumns=rmeta.getColumnCount();
while(r.next())
{
String param3 =
r.getString(3).trim();
// 3rd field in the table
'login' , database 'bank.mdb'
if
(param3.equals("Accounts"))

{
// for login 'a' ,
password 'a' , if his deparment is "Accounts"
// u found record , so
set foundrecord = 1
foundrec = 1;
showAccountloginsuccess();
}
else
if(param3.equals("Main"))
{
// for login 'm' ,
password 'm' , if his deparment is "Main"
// u found record ,
so set foundrecord = 1
foundrec = 1;
showMainloginsuccess();
}
}
if(foundrec==0)
{
//if foundrecord is zero ,
invalid login
dialogmessage = "Please Re-
Login";
dialogtype =
JOptionPane.WARNING_MESSAGE;
//show message
JOptionPane.showMessageDialog((Component) null,
dialogmessage, dialogw, dialogtype);
//make login and password
textboxes empty
loginname.setText("");

loginpass.setText("");
}
}
void showAccountloginsuccess()
{
//fr2.setVisible(false);
dialogmessage = "Login Succssful !!!";
dialogtype = JOptionPane.INFORMATION_MESSAGE;
//show message
JOptionPane.showMessageDialog((Component)
null, dialogmessage, dialogs, dialogtype);
showAccountprograms();
}
void showMainloginsuccess()
{
dialogmessage = "Login Succssful !!!";
//show message
null, dialogmessage, dialogs, dialogtype);
showMainprograms();
}
void showMainprograms()
{

fr6=new JFrame("Task Performer My Librarian v1.0 ");
p6=new JPanel();
Calendar cal =
Calendar.getInstance(TimeZone.getDefault());
String DATE_FORMAT="dd-MM-yyyy";
java.text.SimpleDateFormat sdf = new
java.text.SimpleDateFormat(DATE_FORMAT);
sdf.setTimeZone(TimeZone.getDefault());
//System.out.println("Now : "+sdf.format(cal.getTime()));
String t1 = sdf.format(cal.getTime());
p6.setBorder(BorderFactory.createTitledBorder(BorderFactory.crea
teEtchedBorder(),"Main "+loginnameback+" Logged in"));
l2=new JLabel(t1);
c.ipady=2;
c.ipadx=2;
c.anchor=GridBagConstraints.WEST;
c.gridx=3;
c.gridy=0;
gridbag.setConstraints(l2,c);
p6.add(l2,c);
ADD = new JButton("ADD NEW BOOK");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;

c.gridy = 0;
gridbag.setConstraints(ADD, c);
p6.add(ADD);
ADD.addActionListener(new
ButtonHandler());
DELETE = new JButton("DELETE EXISTING BOOK");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 1;
gridbag.setConstraints(DELETE, c);
p6.add(DELETE);
DELETE.addActionListener(new
ButtonHandler());
ADDNEWUSER = new JButton("ADD NEW USER");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 2;
gridbag.setConstraints(ADDNEWUSER, c);
p6.add(ADDNEWUSER);
ADDNEWUSER.addActionListener(new
ButtonHandler());
DELEXISTUSER = new JButton("DELETE EXISTING USER");
c.ipady = 2;

c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 3;
gridbag.setConstraints(DELEXISTUSER,
c);
p6.add(DELEXISTUSER);
DELEXISTUSER.addActionListener(new
ButtonHandler());
CHANGEPW = new JButton("CHANGE PASSWORD");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 4;
gridbag.setConstraints(CHANGEPW, c);
p6.add(CHANGEPW);
CHANGEPW.addActionListener(new
ButtonHandler());
}

void showAccountprograms()
{
Calendar cal = Calendar.getInstance(TimeZone.getDefault());
//fr4.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
p4=new JPanel();
p4.setBorder(BorderFactory.createTitledBorder(BorderFactory
.createEtchedBorder(),"User "+loginnameback+" Logged in"));
l2=new JLabel(t1);
c.ipady=2;
c.ipadx=2;
c.gridx=3;
c.gridy=0;
p4.add(l2,c);
ADD = new JButton("ADD NEW BOOK");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;

c.gridwidth = 1;
c.gridx = 0;
c.gridy = 0;
gridbag.setConstraints(ADD, c);
p4.add(ADD);
ADD.addActionListener(new
ButtonHandler());
DELETE = new JButton("DELETE EXISTING BOOK");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 1;
gridbag.setConstraints(DELETE, c);
p4.add(DELETE);
DELETE.addActionListener(new
ButtonHandler());
CHANGEPW = new JButton("CHANGE PASSWORD");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 2;
gridbag.setConstraints(CHANGEPW, c);
p4.add(CHANGEPW);
CHANGEPW.addActionListener(new
ButtonHandler());

MARKEOI = new JButton("MARK END OF INPUT");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 3;
gridbag.setConstraints(MARKEOI, c);
p4.add(MARKEOI);
MARKEOI.addActionListener(new
ButtonHandler());
QUERY = new JButton("RUN QUERY");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 4;
gridbag.setConstraints(QUERY, c);
p4.add(QUERY);
QUERY.addActionListener(new
ButtonHandler());
REPORT = new JButton("REPORTS");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;

c.gridx = 2;
c.gridy = 0;
gridbag.setConstraints(REPORT, c);
p4.add(REPORT);
REPORT.addActionListener(new
ButtonHandler());
ISSUE_BOOK = new JButton("ISSUE BOOK");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 2;
c.gridy = 1;
gridbag.setConstraints(ISSUE_BOOK, c);
p4.add(ISSUE_BOOK);
ISSUE_BOOK.addActionListener(new
ButtonHandler());
ADD_BORROWER = new JButton("ADD NEW BORROWER");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 2;
c.gridy = 2;
gridbag.setConstraints(ADD_BORROWER,
c);
p4.add(ADD_BORROWER);
ADD_BORROWER.addActionListener(new
ButtonHandler());

CLOSE_BORROWER = new JButton("CLOSE BORROWER RECORD");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 2;
c.gridy = 3;
gridbag.setConstraints(CLOSE_BORROWER,
c);
p4.add(CLOSE_BORROWER);
CLOSE_BORROWER.addActionListener(new
ButtonHandler());
}
void addnewbook()
{
fr3=new JFrame(" My Librarian v1.0 Add-Book ");
p3=new JPanel();

//serialno=new JTextField(5);
section=new JTextField(10);
bookname=new JTextField(30);
author=new JTextField(30);
price=new JTextField(20);
availcode=new JTextField(1);
currentborrower=new JTextField(30);
/*l1=new JLabel("Serial No ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=0;
p3.add(l1,c);
serialno= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=0;
gridbag.setConstraints(serialno,c);
p3.add(serialno);*/
l2=new JLabel("Section ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=1;
p3.add(l2,c);
section= new

JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=1;
gridbag.setConstraints(section,c);
p3.add(section);
l3=new JLabel("Book Name ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=2;
p3.add(l3,c);
bookname= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=2;
gridbag.setConstraints(bookname,c);
p3.add(bookname);
l4=new JLabel("Author ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=3;
p3.add(l4,c);

author= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=3;
gridbag.setConstraints(author,c);
p3.add(author);
l5=new JLabel("Price ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=4;
p3.add(l5,c);
price= new JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=4;
gridbag.setConstraints(price,c);
p3.add(price);
l6=new JLabel("Avail Code ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=5;

p3.add(l6,c);
availcode= new JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=5;
gridbag.setConstraints(availcode,c);
p3.add(availcode);
l7=new JLabel("Current Borrower ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=6;
p3.add(l7,c);
currentborrower= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=6;
gridbag.setConstraints(currentborrower,c);
p3.add(currentborrower);
AddNewBook = new JButton("ADD THIS BOOK");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;

c.gridwidth = 1;
c.gridx = 0;
c.gridy = 7;
gridbag.setConstraints(AddNewBook, c);
p3.add(AddNewBook);
AddNewBook.addActionListener(new
ButtonHandler());
}
void LIBADD()
{
try
{
String temp2
= section.getText();
temp2 = temp2.trim();
String temp3 = bookname.getText();
String temp4 = author.getText();
String temp5 = price.getText();
String temp6
= availcode.getText();
String temp7
= currentborrower.getText();

Connection
connection=DriverManager.getConnection(url);
Statement statement =
connection.createStatement();
//Generate new serial number
String query = "SELECT * FROM
book";
ResultSet rs =
statement.executeQuery(query);
int cnt = 0;
while (rs.next())
{
cnt++;
}
cnt = cnt+1;
serialno="000"+cnt;
sq="INSERT INTO book (serialno,
section, bookname, author, price, availcode, currentborrower,
maker) VALUES
('"+serialno+"','"+temp2+"','"+temp3+"','"+temp4+"','"+temp5+"',
'"+temp6+"','"+temp7+"','"+loginnameback+"')";
statement.executeUpdate(sq);
dialogmessage = "New Serial
Number is : "+serialno;
dialogtype =
JOptionPane.INFORMATION_MESSAGE;
//show message
dialogmessage, dialogs,dialogtype);

dialogmessage = "New Book Added
!! "+temp3;
dialogtype =
//show message
connection.close();
//set other textboxes black to
enable new record entry
//serialno.setText("");
section.setText("");
bookname.setText("");
author.setText("");
price.setText("");
availcode.setText("");
currentborrower.setText("");
}
catch(Exception ex)
{
}
}
void deloldbook()
{
fr5=new JFrame(" My Librarian v1.0 Delete-Book ");
p5=new JPanel();

l8=new JLabel("Enter Serial No : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=0;
p5.add(l8,c);
serno= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=0;
gridbag.setConstraints(serno,c);
p5.add(serno);
DelOldBook = new JButton("DELETE THIS BOOK");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 2;
gridbag.setConstraints(DelOldBook, c);
p5.add(DelOldBook);
DelOldBook.addActionListener(new
ButtonHandler());

}
void LIBCONFIRM()
{
try
{
Connection
book";
ResultSet rs =
boolean hasResults =
statement.execute(query);
if(hasResults)
{
ResultSet result =
//JDBC step 7 : if there
are results Get the "SET"
if(result!=null)
{
//take this "SET" of
results from "SQL"
//call this method
"checkdel(ResultSet r)" and pass ResultSet to it
if (DelFlag)
{

checkdel(result);
}
else if(AddFlag)
{
checkadd(result);
}
}
connection.close();
}
}
catch(Exception ex)
{
}
}
void checkadd(ResultSet r) throws SQLException
{
r.getMetaData();
String temp3 = bookname.getText();
int foundrec = 0;
while(r.next())
{

String param3 =
// 3rd field i.e. bookname
in the table 'book' , database 'bank.mdb'
if (param3.equals(temp3))
{
foundrec =1;
dialogmessage =
"Book Already exist with Name : "+temp3;
dialogtype =
//show message
section.setText("");
bookname.setText("");
author.setText("");
price.setText("");
availcode.setText("");
currentborrower.setText("");
}
}
if(foundrec==0)
{
dialogmessage =
"Book Not Found,New book : "+temp3;
dialogtype =

//show message
dialogmessage, dialogf,dialogtype);
String msgsel2 =
"Addition OK?";
int n =
JOptionPane.showConfirmDialog(frame,msgsel1,msgsel2,JOptionPane.
YES_NO_OPTION);
if
(n==JOptionPane.YES_OPTION)
{
LIBADD();
AddFlag=false;
}
/*LIBADD();
AddFlag=false;*/
}
//System.out.println(temp3);
}
void checkdel(ResultSet r) throws SQLException
{
r.getMetaData();
String temp1 = serno.getText();
int foundrec = 0;

while(r.next())
{
String param1 =
// 1st field in the table
'book' , database 'bank.mdb'
{
foundrec =1;
dialogmessage =
"Book Found with Serial no. : "+temp1;
dialogtype =
//show message
//JButton
showItButton = null;
//radioButton = new
JRadioButton;
//showItButton = new
JButton("Show It !!");
String msgsel2 =
"Deletion OK?";
int n =
YES_NO_OPTION);
if
{
LIBDEL();
DelFlag=false;

}
else return;
//LIBDEL();
}
}
if(foundrec==0)
{
dialogmessage =
"Book Not Found For Serial no. : "+temp1;
dialogtype =
//show message
serno.setText("");
}
}
void LIBDEL()
{
try
{
String temp1 = serno.getText();

Connection
sbookd="DELETE FROM book WHERE
serialno='"+temp1+"'";
statement.executeUpdate(sbookd);
connection.close();
dialogmessage = "Book Deleted with Serial no.
: "+temp1;
//show message
null, dialogmessage, dialogs,dialogtype);
serno.setText("");
}
catch(Exception ex)
{
}
}
void addnewuser()
{
fr7=new JFrame(" My Librarian v1.0 Add-New User ");

p7=new JPanel();
username=new JTextField(10);
password=new JTextField(30);
Designation=new JTextField(30);
l2=new JLabel("Enter User Name : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=1;
p7.add(l2,c);
username= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=1;
gridbag.setConstraints(username,c);
p7.add(username);
l3=new JLabel("Enter Default Password : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=2;

p7.add(l3,c);
password= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=2;
gridbag.setConstraints(password,c);
p7.add(password);
l4=new JLabel("Designation ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=3;
p7.add(l4,c);
Designation= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=3;
gridbag.setConstraints(Designation,c);
p7.add(Designation);
AddThisUser = new JButton("ADD THIS USER");
c.ipady = 3;
c.ipadx = 3;
c.weighty = 0.0;

c.gridwidth = 1;
c.gridx =0;
c.gridy =4;
gridbag.setConstraints(AddThisUser, c);
p7.add(AddThisUser);
AddThisUser.addActionListener(new
ButtonHandler());
}
void delexistuser()
{
fr8=new JFrame(" My Librarian v1.0 Delete-Existing User
");
p8=new JPanel();
username=new JTextField(10);
c.ipady=2;
c.ipadx=2;
c.gridx=0;

c.gridy=1;
p8.add(l2,c);
username= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=1;
gridbag.setConstraints(username,c);
p8.add(username);
DelThisUser = new JButton("DELETE THIS USER");
c.ipady = 3;
c.ipadx = 3;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx =0;
c.gridy =4;
gridbag.setConstraints(DelThisUser, c);
p8.add(DelThisUser);
DelThisUser.addActionListener(new
ButtonHandler());
}

void USRCONFIRM()
{
try
{
Connection
login";
ResultSet rs =
if(hasResults)
{
ResultSet result =
if(result!=null)
{
//take this "SET" of
results from "SQL"
//call this method
"checkdel(ResultSet r)" and pass ResultSet to it
if (DelUsrFlag)
{
checkusrdel(result);
}

else if(AddUsrFlag)
{
checkusradd(result);
}
}
connection.close();
}
}
catch(Exception ex)
{
}
}
void checkusradd(ResultSet r) throws SQLException
{
r.getMetaData();
String temp3 = username.getText();
int foundrec = 0;
while(r.next())
{
String param3 =
// 3rd field i.e. bookname
in the table 'book' , database 'bank.mdb'

{
foundrec =1;
dialogmessage =
"User Already exist with Name : "+temp3;
dialogtype =
//show message
dialogmessage, dialogw,dialogtype);
username.setText("");
password.setText("");
Designation.setText("");
}
}
if(foundrec==0)
{
dialogmessage =
"User Not Found,New User : "+temp3;
dialogtype =
//show message
String msgsel2 =

"Addition OK?";
int n =
YES_NO_OPTION);
if
{
USERADD();
AddUsrFlag=false;
}
else return;
}
}
void checkusrdel(ResultSet r) throws SQLException
{
r.getMetaData();
int foundrec = 0;
while(r.next())
{

String param1 =
// 1st field in the table
'book' , database 'bank.mdb'
{
foundrec =1;
dialogmessage =
"User Found with Name : "+temp1;
dialogtype =
//show message
String msgsel2 =
"Deletion OK?";
int n =
YES_NO_OPTION);
if
{
USERDEL();
DelUsrFlag=false;
}
else return;
}
}
if(foundrec==0)

{
dialogmessage =
"User Not Found For Name : "+temp1;
dialogtype =
//show message
}
}
void USERADD()
{
try
{
String temp2
= username.getText();
String temp3 = password.getText();
String temp4
= Designation.getText();

Connection
login";
ResultSet rs =
int cnt = 0;
while (rs.next())
{
cnt++;
}
cnt = cnt+1;
serialno="000"+cnt;
sqUsr="INSERT INTO login
(username, password, Designation, usercount) VALUES
('"+temp2+"','"+temp3+"','"+temp4+"','"+serialno+"')";
statement.executeUpdate(sqUsr);
dialogmessage = "New User Number
is : "+serialno;
dialogtype =
//show message
dialogmessage = "New User Added
!! "+temp2;

dialogtype =
//show message
connection.close();
}
catch(Exception ex)
{
}
}
void USERDEL()
{
try
{
Connection

sdUsr="DELETE FROM login WHERE
username='"+temp1+"'";
/*dialogmessage = "Are you sure ?? ";
dialogtype = JOptionPane.QUESTION_MESSAGE;
//show message
null, dialogmessage, dialogd,dialogtype);*/
statement.executeUpdate(sdUsr);
connection.close();
dialogmessage = "User Deleted with Name :
"+temp1;
//show message
null, dialogmessage, dialogs,dialogtype);
}
catch(Exception ex)
{
}
}
void CHPW()
{
fr9=new JFrame("Change Password My Librarian v1.0 ");

p9=new JPanel();
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=0;
p9.add(l1,c);
usrname= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=0;
gridbag.setConstraints(usrname,c);
p9.add(usrname);
l2=new JLabel("Enter Old Password : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=1;
p9.add(l2,c);
oldpw= new JPasswordField(10);
oldpw.setEchoChar('*');
c.ipady=2;

c.ipadx=2;
c.gridx=1;
c.gridy=1;
gridbag.setConstraints(oldpw,c);
p9.add(oldpw);
l3=new JLabel("Enter New Password : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=2;
p9.add(l3,c);
newpw= new JPasswordField(10);
newpw.setEchoChar('*');
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=2;
gridbag.setConstraints(newpw,c);
p9.add(newpw);
l4=new JLabel("Confirm New Password : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=3;
p9.add(l4,c);
newpwc= new JPasswordField(10);

newpwc.setEchoChar('*');
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=3;
gridbag.setConstraints(newpwc,c);
p9.add(newpwc);
CHANGEMYPW = new JButton("CHANGE MY PASSWORD");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 4;
gridbag.setConstraints(CHANGEMYPW, c);
p9.add(CHANGEMYPW);
CHANGEMYPW.addActionListener(new ButtonHandler());
}
void PWCHG()
{
try
{
Connection

String query = "SELECT * FROM login";
ResultSet rs = statement.executeQuery(query);
if(hasResults)
{
ResultSet result =
if(result!=null)
{
validatepw(result);
}
connection.close();
}
}
catch(Exception ex)
{
}
}
void validatepw(ResultSet r) throws SQLException
{
String temp = usrname.getText();
temp = temp.trim();
//System.out.println(temp);

String temp1 = oldpw.getText();
String temp2 = newpw.getText();
String temp3 = newpwc.getText();
if (temp1.equals(temp2))
{
dialogmessage = "New Password Same as
Old one ";
dialogtype =
//show message
JOptionPane.showMessageDialog((Component) null, dialogmessage,
dialogw,dialogtype);
oldpw.setText("");
newpw.setText("");
newpwc.setText("");
return;
}
/*else if (temp2 !=(temp3))
{
dialogmessage = "Pls confirm new
password again ";
dialogtype =
//show message
//oldpw.setText("");
newpw.setText("");

newpwc.setText("");
return;
}*/
r.getMetaData();
int foundrec = 0;
//int
numColumns=rmeta.getColumnCount();
while(r.next())
{
String param1 =
String param2 =
if (param1.equals(temp) &&
param2.equals(temp1))
{
foundrec=1;
dialogmessage =
"Correct Record Found ";
dialogtype =
//show message
}
}
if(foundrec==0)

{
dialogmessage =
"Wrong Old Password ";
dialogtype =
//show message
oldpw.setText("");
newpw.setText("");
newpwc.setText("");
foundrec=0;
}
if (foundrec==1)
{
pwdchg();
oldpw.setText("");
newpw.setText("");
newpwc.setText("");
}
}
void pwdchg()
{
try
{
String temp =
usrname.getText();
temp = temp.trim();
String temp2 =
newpw.getText();

temp2 =
temp2.trim();
squpdate = "UPDATE
login SET password='"+temp2+"' WHERE username = '"+temp+"'";
Connection
Statement statement
= connection.createStatement();
statement.executeUpdate(squpdate);
connection.close();
dialogmessage =
"Password Changed ";
dialogtype =
//show message
}
catch(Exception ex)
{
}
}

void QueryBuilder() // DYNAMIC QUERY BUILDER TAB
{
fr10=new JFrame(" My Librarian v1.0 Dynamic
Query Builder ");
p10=new JPanel();
p10.setBorder(BorderFactory.createTitledBorder(BorderFacto
ry.createEtchedBorder(),"Run Your Query"));
jCheckboxq1 = new
JCheckBox("Serial Number");
jCheckboxq1.setFont(dataFont);
c5.gridx = 0;
c5.gridy = 0;
c5.fill =
GridBagConstraints.BOTH;
gridbag.setConstraints(jCheckboxq1,
c5);
jCheckboxq1.addItemListener(myListener);
p10.add(jCheckboxq1);
jRadiobuttonq1 = new JRadioButton("No
Condition",true);
jRadiobuttonq1.setFont(dataFont);
c5.gridx = 1;
c5.gridy = 0;
c5.fill =
gridbag.setConstraints(jRadiobuttonq1,

c5);
jRadiobuttonq1.addActionListener(rlistener);
bgq.add(jRadiobuttonq1);
p10.add(jRadiobuttonq1);
jLabelq1 = new JLabel(" WHERE ");
jLabelq1.setFont(dataFont);
c5.gridx = 2;
c5.gridy = 0;
c5.fill =
gridbag.setConstraints(jLabelq1, c5);
p10.add(jLabelq1);
jComboboxq1 = new JComboBox();
jComboboxq1.addItem("Book
Name");
jComboboxq1.addItem("Author");
jComboboxq1.addItem("Price");
jComboboxq1.addItem("Current
Borrower");
jComboboxq1.addItem("Availability");
jComboboxq1.setFont(dataFont);
c5.gridx = 3;
c5.gridy = 0;
c5.fill =
jComboboxq1.addItemListener(cbListener);
gridbag.setConstraints(jComboboxq1, c5);
p10.add(jComboboxq1);
jComboboxq2 = new JComboBox();
jComboboxq2.addItem("=");
jComboboxq2.addItem(">");

jComboboxq2.addItem(">=");
jComboboxq2.addItem("<");
jComboboxq2.addItem("<=");
jComboboxq2.addItem("!=");
jComboboxq2.addItem("LIKE");
jComboboxq2.addItem("NOT
LIKE");
jComboboxq2.setFont(dataFont);
c5.gridx = 4;
c5.gridy = 0;
c5.fill =
gridbag.setConstraints(jComboboxq2, c5);
jComboboxq2.addItemListener(cbListener);
p10.add(jComboboxq2);
givencondition = new
JTextField(" ");
c5.gridx = 5;
c5.gridy = 0;
gridbag.setConstraints(givencondition,
c5);
p10.add(givencondition);
jCheckboxq2 = new JCheckBox("Book
Name");
c5.gridx = 0;
c5.gridy = 1;
c5.fill =
c5);

jRadiobuttonq2 = new JRadioButton("Set
Condition",false);
jRadiobuttonq2.setFont(dataFont);
c5.gridx = 1;
c5.gridy = 1;
c5.fill =
gridbag.setConstraints(jRadiobuttonq2,
c5);
jRadiobuttonq2.addActionListener(rlistener);
bgq.add(jRadiobuttonq2);
p10.add(jRadiobuttonq2);
jCheckboxq3 = new JCheckBox("Author");
c5.gridx = 0;
c5.gridy = 2;
c5.fill =
c5);
jCheckboxq4 = new JCheckBox("Price");
c5.gridx = 0;
c5.gridy = 3;
c5.fill =
c5);

jCheckboxq5 = new JCheckBox("Currrent
Borrower");
c5.gridx = 0;
c5.gridy = 4;
c5.fill =
c5);
RUNQUERY = new JButton("RUN THIS
QUERY");
c5.gridx = 5;
c5.gridy = 4;
gridbag.setConstraints(RUNQUERY, c5);
RUNQUERY.addActionListener(new ButtonHandler());
p10.add(RUNQUERY);
jLabelq2 = new JLabel(" Query Result
");
jLabelq2.setFont(dataFont);
c5.weighty = 1.0;
c5.gridx = 0;
c5.gridy = 5;
c5.gridwidth = 6;
gridbag.setConstraints(jLabelq2, c5);
p10.add(jLabelq2);
resultArea = new JTextArea(10,60);
resultArea.setFont(dataFont);
c5.gridx = 0;
c5.gridy = 6;
c5.fill =

c5.gridwidth = 6;
gridbag.setConstraints(resultArea, c5);
p10.add(resultArea);
}
class CheckBoxListener implements ItemListener
{
public void itemStateChanged(ItemEvent e)
{
Object source = e.getItemSelectable();
if ((e.getStateChange() ==
ItemEvent.SELECTED) && (source==jCheckboxq1))
{
SerialNoSel = 1;
}
ItemEvent.DESELECTED) && (source==jCheckboxq1))
{
SerialNoSel = 0;
}
{
BookNameSel = 1;
}

{
BookNameSel = 0;
}
{
AuthorSel = 1;
}
{
AuthorSel = 0;
}
{
PriceSel = 1;
}
{
PriceSel = 0;
}
{
CurrentBorrowerSel = 1;
}
{
CurrentBorrowerSel = 0;
}

}
}
class ComboBoxListener implements ItemListener
{
public void itemStateChanged(ItemEvent e)
{
sr = (String)e.getItem();
if (e.getSource().equals(jComboboxq1))
{
Combo1sel =
jComboboxq1.getSelectedItem().toString();
}
if (e.getSource().equals(jComboboxq2))
{
Combo2sel =
jComboboxq2.getSelectedItem().toString();
}
}
}
class RadioListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
condsel = e.getActionCommand();
}
}
void handleQuery()
{

qry="SELECT";
int cnt=0;
if(SerialNoSel==1)
{
cnt++;
qry+=" serialno,";
}
if(BookNameSel==1)
{
cnt++;
qry+=" bookname,";
}
if(AuthorSel==1)
{
cnt++;
qry+=" author,";
}
if(PriceSel==1)
{
cnt++;
qry+=" price,";
}
if(CurrentBorrowerSel==1)
{
cnt++;
qry+=" currentborrower,";
}
int slen=qry.length();
int tempslen = slen-1;
qry = qry.substring(0,tempslen);
qry+=" FROM book";
if(condsel=="Set Condition")
{
qry+=" WHERE "+Combo1sel+"
"+Combo2sel+" "+givencondition.getText().trim();
}

jLabelq2.setText(qry);
accessDBquery(qry);
}
void accessDBquery(String sqlq)
{
try
{
Connection
statement.execute(sqlq);
if(hasResults)
{
ResultSet result =
if(result!=null)
{
displayResultsQ(result);
}
else
{
resultArea.setText("");
}
}
connection.close();
}
catch(Exception ex)
{
resultArea.setText(ex.toString());
}

}
void displayResultsQ(ResultSet r) throws
SQLException
{
ResultSetMetaData rmeta = r.getMetaData();
String text="";
for(int i=1;i<=numColumns;++i)
{
if(i<numColumns)
text+=rmeta.getColumnName(i)+" | ";
else
text+=rmeta.getColumnName(i);
}
text+="n";
while(r.next())
{
{
if(i<numColumns)
text+=r.getString(i)+" | ";
else
text+=r.getString(i).trim();
}
text+="n";
}
resultArea.setText(text);
}
/*void setupMenuBar()
{
MenuBar menuBar = new MenuBar();
// Main Menu will be "File"

Menu fileMenu = new Menu("File");
// Sub menu under it will be
"Exit"
MenuItem fileExit = new
MenuItem("Exit");
// Handle this submenu
item clcik event to Exit
fileExit.addActionListener(new MenuItemHandler());
fileMenu.add(fileExit);
menuBar.add(fileMenu);
setMenuBar(menuBar);
}
class MenuItemHandler implements ActionListener
{
public void actionPerformed(ActionEvent ev)
{
String s=ev.getActionCommand();
if(s=="Exit")
{
//close window on menuitem exit
System.exit(0);
}
}
}*/
void BookReports() // REPORTS TAB WITH JTABLE
{
fr11=new JFrame("Book Reports My Librarian
v1.0 ");

p11=new JPanel();
JPanel p11 = new JPanel();
p11.setBorder(BorderFactory.createTitledBorder(BorderFac
tory.createEtchedBorder(),"Book Reports"));
try
{
Connection
String query = "SELECT serialno,
bookname, author, price FROM book";
ResultSet rs =
rs.getMetaData();
int
numColumns=rmeta.getColumnCount();
{
if(i<=numColumns)
{
defaulttablemodel.addColumn(rmeta.getColumnName(i));
}
}
while(rs.next())
{
for(int
i=1;i<=numColumns;++i)
{

if(i<=numColumns)
{
tempname =
rs.getString(i);
tempcnt=i-1;
data[tempcnt]
= tempname;
}
}
defaulttablemodel.addRow(data);
}
}
catch(Exception ex)
{
//
}
p11.add(new JScrollPane(jtable));
}
void addnewborrower()
{
fr12=new JFrame(" My Librarian v1.0 Add-Borrower ");
p12=new JPanel();
boname=new JTextField(30);
boaddress=new JTextField(50);

//bostatuscode=new JTextField(20);
l2=new JLabel("Borrower Name : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=1;
p12.add(l2,c);
boname= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=1;
gridbag.setConstraints(boname,c);
p12.add(boname);
l3=new JLabel("Borrower Address : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=2;
p12.add(l3,c);
boaddress= new
JTextField("
");
c.ipady=2;
c.ipadx=2;

c.gridx=1;
c.gridy=2;
gridbag.setConstraints(boaddress,c);
p12.add(boaddress);
l4=new JLabel("Phone No : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=3;
p12.add(l4,c);
bophoneno= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=3;
gridbag.setConstraints(bophoneno,c);
p12.add(bophoneno);
AddThisBorrower = new JButton("ADD THIS BORROWER");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 4;
gridbag.setConstraints(AddThisBorrower,
c);

p12.add(AddThisBorrower);
AddThisBorrower.addActionListener(new
ButtonHandler());
}
void BORROWER_ADD()
{
try
{
String temp2 = boname.getText();
String temp3
= boaddress.getText();
String temp5
= bophoneno.getText();
Connection
borrower_record";
ResultSet rs =
int cnt = 0;

while (rs.next())
{
cnt++;
}
cnt = cnt+1;
serialno="000"+cnt;
String temp4 = "O";
sq="INSERT INTO borrower_record
(boserial, boname, boaddress, bophoneno, bostatuscode) VALUES
('"+serialno+"','"+temp2+"','"+temp3+"','"+temp5+"','"+temp4+"')
";
statement.executeUpdate(sq);
dialogmessage = "New Serial
Number is : "+serialno;
dialogtype =
//show message
dialogmessage = "New Borrower
Record Added !! "+temp2;
dialogtype =
//show message
connection.close();

boname.setText("");
boaddress.setText("");
bophoneno.setText("");
}
catch(Exception ex)
{
}
}
void ISSUE_BOOK()
{
p13=new JPanel();
p13.setBorder(BorderFactory.createTitledBorder(BorderFactory.cre
ateEtchedBorder(),"ISSUE BOOK"));
l2=new JLabel("Enter Serials No: ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=1;
p13.add(l2,c);

fboserial= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=1;
gridbag.setConstraints(fboserial,c);
p13.add(fboserial);
VIEW_REC = new JButton("VIEW");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.gridwidth = 1;
c.gridx = 0;
c.gridy = 2;
gridbag.setConstraints(VIEW_REC, c);
p13.add(VIEW_REC);
VIEW_REC.addActionListener(new
ButtonHandler());
}
void ExtractBookRecord()
{
try
{

String temp3
= fboserial.getText();
Connection
borrower_record WHERE boserial ='"+temp3+"'";
if(hasResults)
{
ResultSet result =
if(result!=null)
{
GetRecord(result);
}
connection.close();
}
}
catch(Exception ex)
{
}
}

void GetRecord(ResultSet r) throws SQLException
{
String temp3 = fboserial.getText();
// System.out.println(temp3);
r.getMetaData();
int foundrec = 0;
String text2="";
String text3="";
String text4="";
String text5="";
String text7="";
String text6="";
while(r.next())
{
text2+=r.getString(1);
}
// System.out.println(text3);
fr14=new JFrame("Borrower Last Details ");

p14=new JPanel();
p14.setBorder(BorderFactory.createTitledBorder(BorderFac
tory.createEtchedBorder(),"Borrower "+text3+" Details"));
l2=new JLabel("Serials No: ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=1;
p14.add(l2,c);
borrowerSerialno= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=1;
gridbag.setConstraints(borrowerSerialno,c);
p14.add(borrowerSerialno);
borrowerSerialno.setText(text2);
l4=new JLabel("Name : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=2;
p14.add(l4,c);

borrowerName= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=2;
gridbag.setConstraints(borrowerName,c);
p14.add(borrowerName);
borrowerName.setText(text3);
l5=new JLabel("Address : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=3;
p14.add(l5,c);
borrowerAddress= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=3;
gridbag.setConstraints(borrowerAddress,c);
p14.add(borrowerAddress);
borrowerAddress.setText(text4);
l10=new JLabel("Phone No : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;

c.gridy=4;
p14.add(l10,c);
borrowerPhoneNo= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=4;
gridbag.setConstraints(borrowerPhoneNo,c);
p14.add(borrowerPhoneNo);
borrowerPhoneNo.setText(text5);
l6=new JLabel("Last Book : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=5;
p14.add(l6,c);
borrowerLastBook= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=5;
gridbag.setConstraints(borrowerLastBook,c);
p14.add(borrowerLastBook);
borrowerLastBook.setText(text6);
l7=new JLabel("Last Magazine : ");

c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=6;
p14.add(l7,c);
borrowerLastMagazine= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=6;
gridbag.setConstraints(borrowerLastMagazine,c);
p14.add(borrowerLastMagazine);
//borrowerLastMagazine.setText(text6);
l8=new JLabel("Borrower status : ");
c.ipady=2;
c.ipadx=2;
c.gridx=0;
c.gridy=7;
p14.add(l8,c);
borrowerStatus= new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=1;
c.gridy=7;
gridbag.setConstraints(borrowerStatus,c);
p14.add(borrowerStatus);

borrowerStatus.setText(text7);
l9=new JLabel("New Book : ");
c.ipady=2;
c.ipadx=2;
c.gridx=2;
c.gridy=4;
p14.add(l9,c);
borrowerNewBook = new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=3;
c.gridy=4;
gridbag.setConstraints(borrowerNewBook,c);
p14.add(borrowerNewBook);
l10=new JLabel("New Magazine : ");
c.ipady=2;
c.ipadx=2;
c.gridx=2;
c.gridy=5;
p14.add(l10,c);
borrowerNewMagazine = new
JTextField(" ");
c.ipady=2;
c.ipadx=2;
c.gridx=3;

c.gridy=5;
gridbag.setConstraints(borrowerNewMagazine,c);
p14.add(borrowerNewMagazine);
MODIFY_REC = new JButton("MODIFY");
c.ipady = 2;
c.ipadx = 2;
c.weighty = 0.0;
c.anchor = GridBagConstraints.EAST;
c.gridwidth = 1;
c.gridx = 2;
c.gridy = 6;
gridbag.setConstraints(MODIFY_REC, c);
p14.add(MODIFY_REC);
MODIFY_REC.addActionListener(new
ButtonHandler());
}
void UpdateBorrowerRecord()
{
try
{
Connection

borrower_record";
ResultSet rs = statement.executeQuery(query);
if(hasResults)
{
ResultSet result =
if(result!=null)
{
Update_BorrowerDB();
}
connection.close();
}
}
catch(Exception ex)
{
}
}
void Update_BorrowerDB()
{
try
{
String temp =
borrowerSerialno.getText();
temp =
temp.trim();
String temp1 =

borrowerNewBook.getText();
String temp2 =
borrowerNewMagazine.getText();
temp2 =
temp2.trim();
String temp5 =
borrowerStatus.getText();
temp5 =
temp5.trim();
int foundclosedrec =
0;
System.out.println(temp5);
if
(temp5.equals("C"))
{
foundclosedrec
= 1;
dialogmessage
= "Cannot Update.Closed Record";
dialogtype =
//show message
return;
}
//System.out.println(temp);

if
(foundclosedrec==0)
{
squpdate_book =
"UPDATE borrower_record SET bolastbook='"+temp1+"' WHERE
boserial = '"+temp+"'";
squpdate_mag =
"UPDATE borrower_record SET bolastmagazine='"+temp2+"' WHERE
boserial = '"+temp+"'";
Connection
Statement statement
= connection.createStatement();
statement.executeUpdate(squpdate_book);
statement.executeUpdate(squpdate_mag);
connection.close();
dialogmessage =
"Borrower Record Updated";
dialogtype =
//show message
borrowerNewBook.setText("");

borrowerNewMagazine.setText("");
}
fr14.setVisible(false);
ISSUE_BOOK();
}
catch(Exception ex)
{
}
}
void getDate()
{
Calendar cal =
Calendar.getInstance(TimeZone.getDefault());
//System.out.println("Now :
"+sdf.format(cal.getTime()));
}
}

Library management system

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