Java tutorial
/* * 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.commons.vfs2; /** * An enumerated type representing the capabilities of files and file systems. */ public enum Capability { /** * File content can be read. */ READ_CONTENT, /** * File content can be written. */ WRITE_CONTENT, /** * File content can be read in random mode. */ RANDOM_ACCESS_READ, /** * File content length can be set in random mode. */ RANDOM_ACCESS_SET_LENGTH, /** * File content can be written in random mode. */ RANDOM_ACCESS_WRITE, /** * File content can be appended. */ APPEND_CONTENT, /** * File attributes are supported. */ ATTRIBUTES, /** * File last-modified time is supported. */ LAST_MODIFIED, /** * File get last-modified time is supported. */ GET_LAST_MODIFIED, /** * File set last-modified time is supported. */ SET_LAST_MODIFIED_FILE, /** * folder set last-modified time is supported. */ SET_LAST_MODIFIED_FOLDER, /** * File content signing is supported. */ SIGNING, /** * Files can be created. */ CREATE, /** * Files can be deleted. */ DELETE, /** * Files can be renamed. */ RENAME, /** * The file type can be determined. */ GET_TYPE, /** * Children of files can be listed. */ LIST_CHILDREN, /** * URI are supported. Files without this capability use URI that do not * globally and uniquely identify the file. */ URI, /** * File system attributes are supported. */ FS_ATTRIBUTES, /** * Junctions are supported. */ JUNCTIONS, /** * The set of attributes defined by the Jar manifest specification are * supported. The attributes aren't necessarily stored in a manifest file. */ MANIFEST_ATTRIBUTES, /** * The provider itself do not provide a filesystem. It simply resolves a full name * and dispatches the request back to the filesystemmanager.<br> * A provider with this capability cant tell much about the capabilities about the * finally used filesystem in advance. */ DISPATCHER, /** * A compressed filesystem is a filesystem which use compression. */ COMPRESS, /** * A virtual filesystem can be an archive like tar or zip. */ VIRTUAL, /** * Provides directories which allows you to read its content through * {@link org.apache.commons.vfs2.FileContent#getInputStream()}. * @since 2.0 */ DIRECTORY_READ_CONTENT; }