Source code: org/zazof/jteg/Connection.java

   package org.zazof.jteg;
   
   import java.net.*;
   import java.io.*;
   
   /**
    * Provides a connection with the TEG server, provides a read and write method
    * for communication with the server. This class may only be used by the TEGServer class.
    *
   * @author Jef De Geeter (jef@zazof.org)
   * @author Yves Vandewoude (yves@stcham.org)
   * @date July 2001
   */
  
  class Connection{
  
    /**
      Constructor of a connection
    */
    Connection(){
    }  
  
    /**
      makes an actual socket link with the server
    */
    void makeConnection(String server, int port) throws IOException{
      sock = new Socket(server, port);
      in = new BufferedReader(new InputStreamReader(sock.getInputStream()));
      out = new BufferedWriter(new OutputStreamWriter(sock.getOutputStream()));
    }
  
    /**
      Kills the current connection
    */
    void killConnection()
      throws IOException
    {
      sock.close();
      //in = null;
      //out = null;
    }
  
    /**
      writes the message to the server
    */
    void writeToServer(String message) throws IOException{
      out.write(message);
      out.newLine();
      out.flush();
    }
  
    /**
      reads a message from the server, this call blocks when now new
      messages are available
    */
    String readFromServer() throws IOException{
      return in.readLine();
    }
  
  /*
    private variables
  */
    private BufferedWriter out;
    private BufferedReader in;
    private Socket sock;
  }