/* httpapplet implements HTTP 1.0 and 1.1 communication with
   HTTP servers on any port. Code requires signing for both
   browsers using Signtool (Netscape) and signcode (IE4+).
                                     M. Gallant  07/06/2000      */

import java.awt.*;
import java.applet.*;
import java.io.*;
import java.util.*;
import java.net.*;
import netscape.security.PrivilegeManager;

public class httpapport extends Applet
    {
      public TextArea textArea = new TextArea (12, 50);
      public TextField tfhttp = new TextField("HEAD /index.html HTTP/1.0", 25) ;  //default
      TextField tfhost = new TextField("java.ca.nortel.com",  25) ;
      TextField tfport = new TextField("80", 10) ;
      Button sendhttp = new Button("Send HTTP command") ;
      Button clearbutton = new Button("Clear TextArea") ;

    public void init ()
        {
          setBackground(Color.gray) ;
          Panel p = new Panel() ;
           p.setLayout(new GridLayout(4,1,5,5)) ;
          Panel p1 = new Panel() ;
            p1.add(clearbutton);
            p1.add(sendhttp) ;
            p.add(p1) ;
          p1=new Panel() ;
            p1.add(new Label("Host:", Label.RIGHT));
            p1.add(tfhost) ;
            p.add(p1) ;
          p1=new Panel() ;
            p1.add(new Label("Http:", Label.RIGHT)) ;
            p1.add(tfhttp) ;
            p.add(p1) ;
          p1=new Panel() ;
            p1.add(new Label("port:", Label.RIGHT)) ;
            p1.add(tfport) ;
            p.add(p1) ;
          add(p) ;
          add(textArea) ;

          sendhttp.setBackground(Color.red) ;
          clearbutton.setBackground(Color.green) ;

         try{
           PrivilegeManager.enablePrivilege("UniversalConnect") ;  // required for NN 
           }
         catch(Exception cnfe) { 
           // System.out.println("netscape.security.PrivilegeManager class not found") ;
         }

       }       

   public boolean action(Event evt, Object arg) {     //intercept AWT action.
    if (evt.target == clearbutton) {
     textArea.setText("") ;
     return true ;
     }
    else
      if (evt.target == sendhttp) {


  try{
    PrivilegeManager.enablePrivilege("UniversalConnect") ;  // required for NN 
     }
    catch(Exception cnfe) { 
      // System.out.println("netscape.security.PrivilegeManager class not found") ;
     }


 try{
      String server = tfhost.getText() ; 
      String message = tfhttp.getText() ;
      int port = 80;
       port = Integer.parseInt(tfport.getText()) ;
      Socket socket = new Socket(server,port);
      
       BufferedReader inputStream = new BufferedReader(new InputStreamReader(socket.getInputStream()));

       DataOutputStream outputStream = new DataOutputStream(socket.getOutputStream()) ;
      
           outputStream.writeBytes(message+"\r\n");
            if(message.indexOf("HTTP/1.1")>0){
              outputStream.writeBytes("HOST: " + server + "\r\n") ;
              outputStream.writeBytes("Connection: close\r\n\r\n") ;
              }
             else
               outputStream.writeBytes("\r\n") ;
           outputStream.flush() ;

          String line = null;
      
        while((line = inputStream.readLine()) != null) 
          textArea.append(line+"\n");

      // inputStream.close() ;
      // outputStream.close() ;
      socket.close();
      //Close the socket and keyboard input.
  }//end try
    catch(UnknownHostException e){
      textArea.append(e+"\n");
    }//end catch UnknownHostException
      catch(IOException e){
         // textArea.append(e +"\n");
        }


        return true;
       }              // end if
       else return false;
    }                 // end action handler


 }