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 package org.apache.commons.compress.archivers.sevenz; 20 21 /** 22 * Map between folders, files and streams. 23 */ 24 final class StreamMap { 25 26 /** 27 * The first Archive.packStream index of each folder. 28 */ 29 final int[] folderFirstPackStreamIndex; 30 31 /** 32 * Offset to beginning of this pack stream's data, relative to the beginning of the first pack stream. 33 */ 34 final long[] packStreamOffsets; 35 36 /** 37 * Index of first file for each folder. 38 */ 39 final int[] folderFirstFileIndex; 40 41 /** 42 * Index of folder for each file. 43 */ 44 final int[] fileFolderIndex; 45 46 StreamMap(final int[] folderFirstPackStreamIndex, final long[] packStreamOffsets, final int[] folderFirstFileIndex, final int[] fileFolderIndex) { 47 this.folderFirstPackStreamIndex = folderFirstPackStreamIndex; 48 this.packStreamOffsets = packStreamOffsets; 49 this.folderFirstFileIndex = folderFirstFileIndex; 50 this.fileFolderIndex = fileFolderIndex; 51 } 52 53 @Override 54 public String toString() { 55 return "StreamMap with indices of " + folderFirstPackStreamIndex.length + " folders, offsets of " + packStreamOffsets.length + " packed streams," 56 + " first files of " + folderFirstFileIndex.length + " folders and folder indices for " + fileFolderIndex.length + " files"; 57 } 58 }