SearchAnnivForm.java

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

@SuppressWarnings("all")
public class SearchAnnivForm extends JFrame implements ActionListener
{
 private static String [] Months={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
 private static String [] Col_Heading={"Entry ID","Name","Day","Month","Year"};
 private JComboBox cho_Mon;
 private JTable tt;
 private JButton cmd_Search,cmd_Cancel;
 
 JPanel panel2;
 Object data[][];

 public SearchAnnivForm(String fname)
 {
 super(fname);
 Vector v=new Vector();
 getContentPane().setLayout(new BorderLayout());
 for(int i=0;i<12;i++)
		v.addElement(Months[i]);

	//Add values in month combobox.
 cho_Mon=new JComboBox(v);
 
 cmd_Search=new JButton("Search");
 cmd_Cancel=new JButton("Back");
 
 JPanel panel1=new JPanel();
 panel1.setLayout(new FlowLayout());
 panel1.add(cho_Mon);

 panel2=new JPanel();
 panel2.setLayout(new FlowLayout(FlowLayout.LEFT));
 JPanel panel3=new JPanel();
 panel3.setLayout(new FlowLayout(FlowLayout.CENTER));
 panel3.add(cmd_Search);
 panel3.add(cmd_Cancel);

 getContentPane().add(panel1,BorderLayout.NORTH); 
 getContentPane().add(panel2,BorderLayout.CENTER);
 getContentPane().add(panel3,BorderLayout.SOUTH);

 cmd_Search.addActionListener(this);
 cmd_Cancel.addActionListener(this);
 addWindowListener(new MyWindowAdapter());

 }


 public void actionPerformed(ActionEvent ae)
 {
	 //If user clicks on Search button.
	 if(ae.getSource()==cmd_Search)
	 {

		 //Gets the total count for records in the Annivers file.		 		 
	 	 int count=getCount();
	 	 
	 	 try
	 	 {
		 	 
		 BufferedReader br=new BufferedReader(new FileReader("Annivers"));
		 	 String str=new String();
		 	 int i=0;
		 	 boolean flag=false;
		 	 StringTokenizer t;
		 	 data=new Object[count][5];
		 	 flag=false;
		 	 while((str=br.readLine())!=null)
		 	 {
			 StringTokenizer token=new StringTokenizer(str,"*");
			 t=new StringTokenizer(str,"*");
			 String eid=t.nextToken();
			 String name=t.nextToken();
			 String dd=t.nextToken();
			 String mm=t.nextToken();
			 String yy=t.nextToken();
	
			 //If current record matches selected entry then add it to the Object array.
			 	 if(mm.equals((String)cho_Mon.getSelectedItem()))
			 	 {
				 	 
				 	 flag=true;
				 	 for(int j=0;j<5;j++)
				 	 {
					 	 data[i][j]=token.nextElement();
			 }
			 i++;
		 }
	 }
	 br.close();
	 if(flag==false)
	 {
		 displayMesg("No record found");
	 }
		 else
		 {
		 panel2.removeAll();
		 tt=new JTable(data,Col_Heading);
	 	 int v=ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
		 int h=ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
		 JScrollPane sc=new JScrollPane(tt);
			 panel2.add(sc);
			 pack();
		 repaint();
		 }
	 	 
 } catch(FileNotFoundException fnfe)
 {

	 }
	 catch(IOException ioe)
	 {
		 displayMesg("I/O error");
	 }
 }
 else if(ae.getSource()==cmd_Cancel)
 {

 SearchForm sform=new SearchForm("Search Contact Form");
 sform.setSize(250,250);
 sform.setResizable(false);
 sform.setVisible(true);
 dispose();
 }
 
 }

 //Returns the total count for total records in the Annivers file.
 int getCount()
 { int count=0;
 try
 {
 BufferedReader br=new BufferedReader(new FileReader("Annivers"));
 
 String str;
 while((str=br.readLine())!=null)
 {
	 StringTokenizer token=new StringTokenizer(str,"*");
	 String eid=token.nextToken();
	 String n=token.nextToken();
	 String d=token.nextToken();
	 String m=token.nextToken();
	 if(m.equals((String)cho_Mon.getSelectedItem()))
	 {
		 count++;
		 
	 }
 
	 }
 br.close();	 

 } catch(FileNotFoundException fnfe)
 {
	 displayMesg("Annivers file not found");
	 setVisible(false);
	 dispose();
 }
 catch(IOException ioe)
 {
	 displayMesg("I/O error");
 }
 return count;
 }

 //Inner class to implement windowClosing() method.
 class MyWindowAdapter extends WindowAdapter
 {
 public void windowClosing(WindowEvent we)
 {
 	 
 SearchForm sform=new SearchForm("Search Contact Form");
 sform.setSize(250,250);
 sform.setResizable(false);
 sform.setVisible(true);
 dispose();
 }

 }
 public void displayMesg(String m)
 {
	 MyDialog dialog=new MyDialog(this,m,true);
	 dialog.setLocation(this.getX(),this.getY());
	 dialog.setSize(300,100);
	 dialog.setVisible(true); 
 }
 
}