| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.ftpserver.ftplet; |
| |
| /** |
| * This is an abstraction over the user file system view. |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public interface FileSystemView { |
| |
| /** |
| * Get the user home directory. |
| * @return The {@link FtpFile} for the users home directory |
| * @throws FtpException |
| */ |
| FtpFile getHomeDirectory() throws FtpException; |
| |
| /** |
| * Get user current directory. |
| * @return The {@link FtpFile} for the users current directory |
| * @throws FtpException |
| */ |
| FtpFile getWorkingDirectory() throws FtpException; |
| |
| /** |
| * Change directory. |
| * @param dir The path of the directory to set as the current directory for the user |
| * @return true if successful |
| * @throws FtpException |
| */ |
| boolean changeWorkingDirectory(String dir) throws FtpException; |
| |
| /** |
| * Get file object. |
| * @param file The path to the file to get |
| * @return The {@link FtpFile} for the provided path |
| * @throws FtpException |
| */ |
| FtpFile getFile(String file) throws FtpException; |
| |
| /** |
| * Does the file system support random file access? |
| * @return true if the file supports random access |
| * @throws FtpException |
| */ |
| boolean isRandomAccessible() throws FtpException; |
| |
| /** |
| * Dispose file system view. |
| */ |
| void dispose(); |
| } |