Java Code

writeFile.pl

#!/usr/bin/perl 
use CGI ':standard';
my $outfile = "mailing.out";
print header;       # required first set of lines
	
# Write to file
open(OUT, ">>$outfile") or print("Couldn't open $outfile: $!");
if (param('message')) 
{
   print OUT param('message'),"\n";
}
close(OUT);
print "Thanks!";

SaveDataToFileOnServer.java

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

public class SaveDataToFileOnServer extends JApplet
        implements ActionListener
{
   JPanel toppane;
   JScrollPane scrollPane;
   JButton submit;
   JTextField 	tf_name;
   JCheckBox	cb_funny;
   JCheckBox	cb_happy;
   JRadioButton	rb_red, rb_blue, rb_green;
   ButtonGroup	colorGroup;
   JLabel	l_name, l_funny, l_happy, l_colors;
   JPanel	formPanel;

   public void init( )
   {
      setLayout( new BorderLayout( ) );
      setupButton( );
      setupForm( );
   }
   public void setupForm( )
   {
      l_name = new JLabel( "Name:", JLabel.RIGHT );
      l_colors = new JLabel( "Favorite Color:", JLabel.RIGHT );
      tf_name = new JTextField( 10 );
      cb_funny = new JCheckBox( "Funny?" );
      cb_happy = new JCheckBox( "Happy?" );
      rb_red = new JRadioButton( "red" );
      rb_blue = new JRadioButton( "blue" );
      rb_green = new JRadioButton( "green" );
      colorGroup = new ButtonGroup( );
      colorGroup.add( rb_red );
      colorGroup.add( rb_blue );
      colorGroup.add( rb_green );
      formPanel = new JPanel( new GridLayout(3,2) );
      formPanel.add( l_name );
      formPanel.add( tf_name );
	JPanel p_cb = new JPanel( new FlowLayout( ) );
	p_cb.add( cb_funny );
	p_cb.add( cb_happy );
      formPanel.add( p_cb );
      formPanel.add( cb_happy );
      formPanel.add( l_colors );
	JPanel p_colors = new JPanel( new FlowLayout( ) );
	p_colors.add( rb_red );
	p_colors.add( rb_blue );
	p_colors.add( rb_green );
	formPanel.add( p_colors );
	add( formPanel, BorderLayout.NORTH );
   }
   public void setupButton( )
   {
        submit = new JButton( "Submit" );
        submit.addActionListener( this );

        toppane =new JPanel( new FlowLayout( ) );
        toppane.add( submit );
        add( toppane, BorderLayout.SOUTH );
   }
   public void actionPerformed( ActionEvent ae )
   {
        Object src = ae.getSource( );
        if( src == submit )
	{
		invalidate( );
		String email = "Form Submission\n";
		email += "\n name = " + tf_name.getText( );
		email += "\n funny? = " + cb_funny.isSelected( );
		email += "\n happy? = " + cb_happy.isSelected( );
		email += "\n color = " + rb_red.isSelected( );
		email += "\n color = " + rb_red.isSelected( );
		email += "\n color = " + rb_red.isSelected( );
		sendMail( "http://www.cs.colostate.edu/~boese/cgi-bin/writeFile.cgi?message=", email );

		formPanel.removeAll( );
		JLabel thanks = new JLabel( "Thanks for your input!" );
		formPanel.add( thanks );
		validate( );
	}
   }
   public String sendMail( String fullPath, String msg )
   {	
      try  {
         String enc = URLEncoder.encode(msg, "UTF-8");
         URL target = new URL( fullPath + enc );
         String content;
         URLConnection con = target.openConnection( );      // open connection
         con.setUseCaches( false );
         con.setDefaultUseCaches( false );
         byte b[ ] = new byte[ 1024 ];            	  // byte array
         int nbytes;                		 	 // num bytes read in
         String retVal = new String();
         BufferedInputStream in = new BufferedInputStream( con.getInputStream(), 2048 );
         while( (nbytes = in.read( b, 0, 1024 )) != -1 )  		// while there's more data to read
         {
            content = new String( b, 0, nbytes );       		// get 1024 bytes of data fr file
            retVal += content;
         }
         in.close( );       	// close connection
         return retVal;
      }
      catch( Exception e )  {   return "Error " + e.toString( );    }
   }
}