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