/*

  * Copyright 2007 the original author or authors.

  * 

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  * 

  *      http://www.apache.org/licenses/LICENSE-2.0

  * 

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.mockftpserver.stub.command;

 import org.mockftpserver.core.command.Command;

 import org.mockftpserver.core.command.CommandHandler;

 import org.mockftpserver.core.command.InvocationRecord;

 import org.mockftpserver.core.command.ReplyCodes;

 import org.mockftpserver.core.session.Session;

 import org.mockftpserver.core.util.Assert;

 /**

  * CommandHandler for the SYST (System) command. Send back a reply code of 215. By default,

  * return "WINDOWS" as the system name. You can customize the returned name by

  * setting the <code>systemName</code> property.

  * <p/>

  * See the available system names listed in the Assigned Numbers document

  * (<a href="http://www.ietf.org/rfc/rfc943">RFC 943</a>).

  * <p/>

  * Each invocation record stored by this CommandHandler contains no data elements.

  *

  * @author Chris Mair

  * @version $Revision: 194 $ - $Date: 2008-12-07 08:53:58 -0500 (Sun, 07 Dec 2008) $

  */

 public class SystCommandHandler extends AbstractStubCommandHandler implements CommandHandler {

     private String systemName = "WINDOWS";

     /**

      * Constructor. Initialize the replyCode.

      */

     public SystCommandHandler() {

         setReplyCode(ReplyCodes.SYST_OK);

     }

     public void handleCommand(Command command, Session session, InvocationRecord invocationRecord) {

         sendReply(session, quotes(systemName));

     }

     /**

      * Set the systemName String to be returned by this command

      *

      * @param systemName - the systemName

      */

     public void setSystemName(String systemName) {

         Assert.notNull(systemName, "systemName");

         this.systemName = systemName;

     }

 }