1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.compress.archivers.sevenz;
18
19 import java.util.BitSet;
20
21 final class Archive {
22
23 private static String lengthOf(final long[] a) {
24 return a == null ? "(null)" : Integer.toString(a.length);
25 }
26
27 private static String lengthOf(final Object[] a) {
28 return a == null ? "(null)" : Integer.toString(a.length);
29 }
30
31 /** Offset from beginning of file + SIGNATURE_HEADER_SIZE to packed streams. */
32 long packPos;
33
34 /** Size of each packed stream. */
35 long[] packSizes = {};
36
37 /** Whether each particular packed streams has a CRC. */
38 BitSet packCrcsDefined;
39
40 /** CRCs for each packed stream, valid only if that packed stream has one. */
41 long[] packCrcs;
42
43 /** Properties of solid compression blocks. */
44 Folder[] folders = Folder.EMPTY_FOLDER_ARRAY;
45
46 /** Temporary properties for non-empty files (subsumed into the files array later). */
47 SubStreamsInfo subStreamsInfo;
48
49 /** The files and directories in the archive. */
50 SevenZArchiveEntry[] files = SevenZArchiveEntry.EMPTY_SEVEN_Z_ARCHIVE_ENTRY_ARRAY;
51
52 /** Mapping between folders, files and streams. */
53 StreamMap streamMap;
54
55 @Override
56 public String toString() {
57 return "Archive with packed streams starting at offset " + packPos + ", " + lengthOf(packSizes) + " pack sizes, " + lengthOf(packCrcs) + " CRCs, "
58 + lengthOf(folders) + " folders, " + lengthOf(files) + " files and " + streamMap;
59 }
60 }