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      1 /*
      2  * Copyright 2008 the original author or authors.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package org.mockftpserver.fake.command;
     17 
     18 import org.mockftpserver.core.command.Command;
     19 import org.mockftpserver.core.command.ReplyCodes;
     20 import org.mockftpserver.core.session.Session;
     21 import org.mockftpserver.core.session.SessionKeys;
     22 
     23 /**
     24  * CommandHandler for the PWD command. Handler logic:
     25  * <ol>
     26  * <li>If the required "current directory" property is missing from the session, then reply with 550</li>
     27  * <li>Otherwise, reply with 257 and the current directory</li>
     28  * </ol>
     29  *
     30  * @author Chris Mair
     31  * @version $Revision$ - $Date$
     32  */
     33 public class PwdCommandHandler extends AbstractFakeCommandHandler {
     34 
     35     protected void handle(Command command, Session session) {
     36         String currentDirectory = (String) session.getAttribute(SessionKeys.CURRENT_DIRECTORY);
     37         this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR;
     38         verifyFileSystemCondition(notNullOrEmpty(currentDirectory), currentDirectory, "filesystem.currentDirectoryNotSet");
     39         sendReply(session, ReplyCodes.PWD_OK, "pwd", list(currentDirectory));
     40     }
     41 
     42 }