Source Code : Socket connection

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Socket connection

/*
J2ME: The Complete Reference

James Keogh

Publisher: McGraw-Hill

ISBN 0072227109

*/
// jad file (Please verify the jar size first)
/*
MIDlet-Name: socketconnection
MIDlet-Version: 1.0
MIDlet-Vendor: MyCompany
MIDlet-Jar-URL: socketconnection.jar
MIDlet-1: socketconnection, , socketconnection
MicroEdition-Configuration: CLDC-1.0
MicroEdition-Profile: MIDP-1.0
MIDlet-JAR-SIZE: 100

*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.io.*;
import javax.microedition.io.*;
public class socketconnection extends MIDlet implements CommandListener {
  private Command exit, start;
  private Display display;
  private Form form;
  public socketconnection () 
  {
    display = Display.getDisplay(this);
    exit = new Command("Exit", Command.EXIT, 1);
    start = new Command("Start", Command.EXIT, 1);
    form = new Form("Read Write Socket");
    form.addCommand(exit);
    form.addCommand(start);
    form.setCommandListener(this);
  }
  public void startApp() throws MIDletStateChangeException 
  {
    display.setCurrent(form);
  }
  public void pauseApp() 
  {
  }
  public void destroyApp(boolean unconditional) 
  {
  }
  public void commandAction(Command command, Displayable displayable) 
  {
    if (command == exit) 
    {
      destroyApp(false);
      notifyDestroyed();
    }
    else if (command == start) 
    {
      try 
      {
       StreamConnection connection = (StreamConnection) Connector.open("socket://www.myserver.com:80");
       PrintStream output = 
         new PrintStream(connection.openOutputStream() );
       output.println( "GET /my.html HTTP/0.9

" );
       output.flush();
       InputStream in = connection.openInputStream();
       int ch;
       while( ( ch = in.read() ) != -1 )
      {
         System.out.print( (char) ch );
       }
       in.close();
       output.close();
       connection.close();
     }
      catch( ConnectionNotFoundException error )
       {
         Alert alert = new Alert(
            "Error", "Cannot access socket.", null, null);
         alert.setTimeout(Alert.FOREVER);
         alert.setType(AlertType.ERROR);
         display.setCurrent(alert);      
        }
        catch( IOException error )
        {
         Alert alert = new Alert("Error", error.toString(), null, null);
         alert.setTimeout(Alert.FOREVER);
         alert.setType(AlertType.ERROR);
         display.setCurrent(alert);
        }
    }
  }
}


           
       

Thank with us