1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * https://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20 package org.apache.commons.compress.archivers.zip; 21 22 /** 23 * Enumerates the different modes {@link ZipArchiveOutputStream} can operate in. 24 * 25 * @see ZipArchiveOutputStream#setUseZip64 26 * @since 1.3 27 */ 28 public enum Zip64Mode { 29 30 /** 31 * Use Zip64 extensions for all entries, even if it is clear it is not required. 32 */ 33 Always, 34 35 /** 36 * Don't use Zip64 extensions for any entries. 37 * 38 * <p> 39 * This will cause a {@link Zip64RequiredException} to be thrown if {@link ZipArchiveOutputStream} detects it needs Zip64 support. 40 * </p> 41 */ 42 Never, 43 44 /** 45 * Use Zip64 extensions for all entries where they are required, don't use them for entries that clearly don't require them. 46 */ 47 AsNeeded, 48 49 /** 50 * Always use Zip64 extensions for LFH and central directory as {@link Zip64Mode#Always} did, and at the meantime encode the relative offset of LFH and disk 51 * number start as needed in CFH as {@link Zip64Mode#AsNeeded} did. 52 * <p> 53 * This is a compromise for some libraries including 7z and Expand-Archive Powershell utility(and likely Excel). 54 */ 55 AlwaysWithCompatibility 56 }