/* this application creates a socket connection to a remote server at port 80
and then sends an HTTP request to retrieve a web page */

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;
import java.io.*;

public class SocketTest extends MIDlet {
  // define a StreamConnection to allow two direction comm.

  private StreamConnection SC = null;

  // define OutputStream to send request
  private OutputStream OS = null;
  private DataOutputStream DOS = null;

  // Define InputStream to receive responses from Web server
  private InputStream IS = null;
  private DataInputStream DIS = null;

  // Define the connection string
  private String connectStr = "socket://:127.0,0.1:80";

  // Create a string buffer to store the web page content

  private StringBuffer content;

  // Create the User interface
  private Display display = null; // initial value null
  private Form fmMain;
  private StringItem result;

  // Constructor
  public SocketTest() {

  // Initialise UI
  content = new StringBuffer();
  display = Display.getDisplay(this);
  fmMain = new Form("Page Content: "); // new screen to display result of
  //content retrieval
  }
  // StartApp

  public void startApp(){
    // Establish a socket connection
    try {
      SC = (StreamConnection) Connector.open(connectStr);

      // Create DataOutputStream on top of the socket connection
      OS = SC.openOutputStream();
      DOS = new DataOutputStream(OS);

      // send HTTP request
      DOS.writeChars("GET http://www.brunel.ac.uk/~emstaam/home.htm \n");
          DOS.flush();

      // create DataInputStream on top of the socket connection
      IS = SC.openInputStream();
      DIS = new DataInputStream(IS);

      // retrieve the content of requested page from web server
      int inputChar;
      // check while data is valid show on display
      while((inputChar = DIS.read()) != -1){
        content.append((char) inputChar);
      }

      // display the page content on the screen
      result = new StringItem(null, content.toString()); // char to str conversion
      fmMain.append(result);
      display.setCurrent(fmMain);
    }
    catch (IOException e){
      System.err.println("Exception: " + e);
    }
    finally {
      // release resources and close socket
      try {
        if (DOS != null)
          DIS.close();
      }
      catch (Exception ignored) {}
      try {
        if (DOS != null)
          DOS.close();
      }
      catch (Exception ignored) {}
      try {
        if (OS != null)
          OS.close();
      }
      catch (Exception ignored) {}
      try {
        if (IS != null)
          IS.close();

      }
      catch (Exception ignored) {}
    try {
      if (SC != null)
        SC.close();
    }
    catch(Exception ignored){ }
    }
    }
  public void pauseApp(){

     }
     public void destroyApp(boolean unconditional){
  }
}