/* | |
* 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; | |
import org.mockftpserver.core.command.Command; | |
import org.mockftpserver.core.command.ReplyCodes; | |
import org.mockftpserver.core.session.Session; | |
import org.mockftpserver.core.session.SessionKeys; | |
/** | |
* CommandHandler for the CDUP command. Handler logic: | |
* <ol> | |
* <li>If the user has not logged in, then reply with 530</li> | |
* <li>If the current directory has no parent or if the current directory cannot be changed, then reply with 550 and terminate</li> | |
* <li>If the current user does not have execute access to the parent directory, then reply with 550 and terminate</li> | |
* <li>Otherwise, reply with 200 and change the current directory stored in the session to the parent directory</li> | |
* </ol> | |
* | |
* @author Chris Mair | |
* @version $Revision$ - $Date$ | |
*/ | |
public class CdupCommandHandler extends AbstractFakeCommandHandler { | |
protected void handle(Command command, Session session) { | |
verifyLoggedIn(session); | |
String currentDirectory = (String) getRequiredSessionAttribute(session, SessionKeys.CURRENT_DIRECTORY); | |
String path = getFileSystem().getParent(currentDirectory); | |
this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR; | |
verifyFileSystemCondition(notNullOrEmpty(path), currentDirectory, "filesystem.parentDirectoryDoesNotExist"); | |
verifyFileSystemCondition(getFileSystem().isDirectory(path), path, "filesystem.isNotADirectory"); | |
// User must have execute permission to the parent directory | |
verifyExecutePermission(session, path); | |
session.setAttribute(SessionKeys.CURRENT_DIRECTORY, path); | |
sendReply(session, ReplyCodes.CDUP_OK, "cdup", list(path)); | |
} | |
} |