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 import java.util.BitSet; 22 23 final class Archive { 24 25 private static String lengthOf(final long[] a) { 26 return a == null ? "(null)" : Integer.toString(a.length); 27 } 28 29 private static String lengthOf(final Object[] a) { 30 return a == null ? "(null)" : Integer.toString(a.length); 31 } 32 33 /** Offset from beginning of file + SIGNATURE_HEADER_SIZE to packed streams. */ 34 long packPos; 35 36 /** Size of each packed stream. */ 37 long[] packSizes = {}; 38 39 /** Whether each particular packed streams has a CRC. */ 40 BitSet packCrcsDefined; 41 42 /** CRCs for each packed stream, valid only if that packed stream has one. */ 43 long[] packCrcs; 44 45 /** Properties of solid compression blocks. */ 46 Folder[] folders = Folder.EMPTY_FOLDER_ARRAY; 47 48 /** Temporary properties for non-empty files (subsumed into the files array later). */ 49 SubStreamsInfo subStreamsInfo; 50 51 /** The files and directories in the archive. */ 52 SevenZArchiveEntry[] files = SevenZArchiveEntry.EMPTY_SEVEN_Z_ARCHIVE_ENTRY_ARRAY; 53 54 /** Mapping between folders, files and streams. */ 55 StreamMap streamMap; 56 57 @Override 58 public String toString() { 59 return "Archive with packed streams starting at offset " + packPos + ", " + lengthOf(packSizes) + " pack sizes, " + lengthOf(packCrcs) + " CRCs, " 60 + lengthOf(folders) + " folders, " + lengthOf(files) + " files and " + streamMap; 61 } 62 }