/* * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v. 2.0, which is available at * http://www.eclipse.org/legal/epl-2.0. * * This Source Code may also be made available under the following Secondary * Licenses when the conditions for such availability set forth in the * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, * version 2 with the GNU Classpath Exception, which is available at * https://www.gnu.org/software/classpath/license.html. * * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 */ package com.sun.mail.mbox; import java.io.File; import java.io.FilenameFilter; public interface FileInterface { /** * Gets the name of the file. This method does not include the * directory. * @return the file name. */ public String getName(); /** * Gets the path of the file. * @return the file path. */ public String getPath(); /** * Gets the absolute path of the file. * @return the absolute file path. */ public String getAbsolutePath(); /** * Gets the official, canonical path of the File. * @return canonical path */ // XXX - JDK1.1 // public String getCanonicalPath(); /** * Gets the name of the parent directory. * @return the parent directory, or null if one is not found. */ public String getParent(); /** * Returns a boolean indicating whether or not a file exists. */ public boolean exists(); /** * Returns a boolean indicating whether or not a writable file * exists. */ public boolean canWrite(); /** * Returns a boolean indicating whether or not a readable file * exists. */ public boolean canRead(); /** * Returns a boolean indicating whether or not a normal file * exists. */ public boolean isFile(); /** * Returns a boolean indicating whether or not a directory file * exists. */ public boolean isDirectory(); /** * Returns a boolean indicating whether the file name is absolute. */ public boolean isAbsolute(); /** * Returns the last modification time. The return value should * only be used to compare modification dates. It is meaningless * as an absolute time. */ public long lastModified(); /** * Returns the length of the file. */ public long length(); /** * Creates a directory and returns a boolean indicating the * success of the creation. Will return false if the directory already * exists. */ public boolean mkdir(); /** * Renames a file and returns a boolean indicating whether * or not this method was successful. * @param dest the new file name */ public boolean renameTo(File dest); /** * Creates all directories in this path. This method * returns true if the target (deepest) directory was created, * false if the target directory was not created (e.g., if it * existed previously). */ public boolean mkdirs(); /** * Lists the files in a directory. Works only on directories. * @return an array of file names. This list will include all * files in the directory except the equivalent of "." and ".." . */ public String[] list(); /** * Uses the specified filter to list files in a directory. * @param filter the filter used to select file names * @return the filter selected files in this directory. * @see FilenameFilter */ public String[] list(FilenameFilter filter); /** * Deletes the specified file. Returns true * if the file could be deleted. */ public boolean delete(); }