001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.commons.compress.archivers; 020 021import java.util.Date; 022 023/** 024 * Represents an entry of an archive. 025 */ 026public interface ArchiveEntry { 027 028 /** Special value indicating that the size is unknown */ 029 long SIZE_UNKNOWN = -1; 030 031 /** 032 * Gets the last modified date of this entry. 033 * 034 * @return the last modified date of this entry. 035 * @since 1.1 036 */ 037 Date getLastModifiedDate(); 038 039 /** 040 * Gets the name of the entry in this archive. May refer to a file or directory or other item. 041 * 042 * <p>This method returns the raw name as it is stored inside of the archive.</p> 043 * 044 * @return The name of this entry in the archive. 045 */ 046 String getName(); 047 048 /** 049 * Gets the uncompressed size of this entry. May be -1 (SIZE_UNKNOWN) if the size is unknown 050 * 051 * @return the uncompressed size of this entry. 052 */ 053 long getSize(); 054 055 /** 056 * Returns true if this entry refers to a directory. 057 * 058 * @return true if this entry refers to a directory. 059 */ 060 boolean isDirectory(); 061}