/*

  * Copyright 2008 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.fake.command;

 /**

  * CommandHandler for the APPE command. Handler logic:

  * <ol>

  * <li>If the user has not logged in, then reply with 530 and terminate</li>

  * <li>If the required pathname parameter is missing, then reply with 501 and terminate</li>

  * <li>If the pathname parameter does not specify a valid filename, then reply with 553 and terminate</li>

  * <li>If the current user does not have write access to the named file, if it already exists, or else to its

  * parent directory, then reply with 553 and terminate</li>

  * <li>If the current user does not have execute access to the parent directory, then reply with 553 and terminate</li>

  * <li>Send an initial reply of 150</li>

  * <li>Read all available bytes from the data connection and append to the named file in the server file system</li>

  * <li>If file write/store fails, then reply with 553 and terminate</li>

  * <li>Send a final reply with 226</li>

  * </ol>

  *

  * @author Chris Mair

  * @version $Revision: 201 $ - $Date: 2008-12-11 19:39:48 -0500 (Thu, 11 Dec 2008) $

  */

 public class AppeCommandHandler extends AbstractStoreFileCommandHandler {

     /**

      * @return the message key for the reply message sent with the final (226) reply

      */

     protected String getMessageKey() {

         return "appe";

     }

     /**

      * @return true if this command should append the transferred contents to the output file; false means

      *         overwrite an existing file.

      */

     protected boolean appendToOutputFile() {

         return true;

     }

 }