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RemoteServer.java

/*  Package Web Test Tools 
 *  Copyright (C) 2001 "Artur Hefczyc" <kobit@users.sourceforge.net>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published
 *  by the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software Foundation,
 *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * $Id: RemoteServer.java,v 1.1 2002/11/29 15:18:34 kobit Exp $
 * $Author: kobit $
 * $Date: 2002/11/29 15:18:34 $
 */

package wttools.remotecons;

import java.util.List;
import java.util.LinkedList;
import java.io.IOException;
import wttools.remotecons.ifc.CommandHandlerIfc;

public class RemoteServer {

  protected int server_port = Constants.DEFAULT_SERVER_PORT;
  protected boolean as_daemon = true;
  protected SocketListener s_listener = null;
  
  public void initialize(List command_handlers) throws IOException {
    initialize(server_port, command_handlers);
  }

  public void initialize(int port_no, List command_handlers)
    throws IOException
  {
    s_listener = new SocketListener();
    s_listener.setConn_handler(new ConnectionHandlerImpl());
    s_listener.setCommand_handlers(command_handlers);
    s_listener.startListening(port_no, as_daemon);
  }

  public void asyncMessage(String msg) {
    synchronized(ConnectionServer.active_connections) {
      List l = ConnectionServer.active_connections;
      for (int i = 0; i < l.size(); i++) {
        ((ConnectionServer)l.get(i)).asyncMessage(msg);
      } // end of for (int i = 0; i < ConnectionServer.active_connections.size(); i++)
    }
  }

  public void disable() {
    s_listener.close();
  }
  
  public static void main (String[] args) {

    //     System.getProperties().list(new java.io.PrintStream(System.out));
    //     byte[] line_sep = System.getProperty("line.separator").getBytes();
    //     for (int i = 0; i < line_sep.length; i++) {
    //       System.out.print(line_sep[i]+" ");
    //     } // end of for (int i = 0; i < line_sep.length(); i++)
    //     line_sep = new String("\r\n").getBytes();
    //     for (int i = 0; i < line_sep.length; i++) {
    //       System.out.print(line_sep[i]+" ");
    //     } // end of for (int i = 0; i < line_sep.length(); i++)
    RemoteServer rs = new RemoteServer();
    rs.setServer_port(2702);
    rs.setAs_daemon(false);
    LinkedList l = new LinkedList();
    l.add(rs.new SampleCommandHandler());
    try {
      rs.initialize(l);
    } catch (IOException e) {
      e.printStackTrace();
      System.exit(1);
    } // end of try-catch
    //    rs.disable();
    System.out.println("Remote server started in test mode.");
    System.out.println("Waiting for incoming connections on port "+rs.server_port+"...");
  } // end of main ()
  
  
  public int getServer_port() {
    return this.server_port;
  }

  public void setServer_port(int argServer_port){
    this.server_port = argServer_port;
  }
  

  public boolean isAs_daemon() {
    return this.as_daemon;
  }

  public void setAs_daemon(boolean argAs_daemon){
    this.as_daemon = argAs_daemon;
  }

  public class SampleCommandHandler implements CommandHandlerIfc {

    public String handleCommand(String comm) {
      if (comm.trim().equals("hello")) {
        return "Hello world!\r\n";
      } // end of if (comm.trim().equals("hello"))
      if (comm.trim().equals("isdaemon")) {
        return ""+as_daemon+"\r\n";
      } // end of if (comm.trim().equals("hello"))
      return null;
    }

    public String help() {
      return
        "\r\n"+
        "  hello    - Returns 'Hello world!' string as a result.\r\n"+
        "  isdaemon - returns info if console started as daemon.\r\n";
    }

    public String help(String comm) {
      return "";
    }

    public CommandHandlerIfc getInstance() {
      return new SampleCommandHandler();
    }
    
  }

}// RemoteServer
/*
 * Changes in file:
 *
 * $Log: RemoteServer.java,v $
 * Revision 1.1  2002/11/29 15:18:34  kobit
 * Refactoring packages, thanks to RefactorIT
 *
 * Revision 1.11  2002/03/21 09:57:27  kobit
 * 1. Small but important redesign:
 *    - package 'remotecons.wttools' was removed and all classes
 *      were moved to 'remotecons' package
 * 2. Added 'asyncMessage' to provide sending messages to remote clients
 *    in asynchronous mode
 *
 * Revision 1.10  2002/01/23 15:49:24  kobit
 * Java doc for all classes finishedant clean dist
 *
 * Revision 1.9  2002/01/20 18:39:39  kobit
 * Some inprovments added in executing external commands
 *
 * Revision 1.8  2002/01/17 22:52:11  kobit
 * Updating documentation is in progress now...
 *
 * Revision 1.7  2002/01/17 22:37:44  kobit
 * Javadoc comments for classes in progress...
 *
 * Revision 1.6  2002/01/15 19:20:01  kobit
 * Corrected bug in external command runner
 *
 * Revision 1.5  2002/01/13 18:09:29  kobit
 * Added methods for closing remote console
 *
 * Revision 1.4  2002/01/13 17:27:13  kobit
 * Corrected interface for external command handlers
 *
 * Revision 1.3  2002/01/13 17:14:45  kobit
 * Added commands: ls, show file, echo and support for windows telnet
 *
 * Revision 1.2  2002/01/12 12:31:26  kobit
 * Updated CVS keyword in all files
 *
 *
 */

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