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 * http://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.dump; 20 21 /** 22 * Various constants associated with dump archives. 23 */ 24 public final class DumpArchiveConstants { 25 public static final int TP_SIZE = 1024; 26 public static final int NTREC = 10; 27 public static final int HIGH_DENSITY_NTREC = 32; 28 public static final int OFS_MAGIC = 60011; 29 public static final int NFS_MAGIC = 60012; 30 public static final int FS_UFS2_MAGIC = 0x19540119; 31 public static final int CHECKSUM = 84446; 32 public static final int LBLSIZE = 16; 33 public static final int NAMELEN = 64; 34 35 /* do not instantiate */ DumpArchiveConstants()36 private DumpArchiveConstants() { 37 } 38 39 /** 40 * The type of tape segment. 41 */ 42 public enum SEGMENT_TYPE { 43 TAPE(1), 44 INODE(2), 45 BITS(3), 46 ADDR(4), 47 END(5), 48 CLRI(6); 49 50 int code; 51 SEGMENT_TYPE(final int code)52 SEGMENT_TYPE(final int code) { 53 this.code = code; 54 } 55 find(final int code)56 public static SEGMENT_TYPE find(final int code) { 57 for (final SEGMENT_TYPE t : values()) { 58 if (t.code == code) { 59 return t; 60 } 61 } 62 63 return null; 64 } 65 } 66 67 /** 68 * The type of compression. 69 */ 70 public enum COMPRESSION_TYPE { 71 ZLIB(0), 72 BZLIB(1), 73 LZO(2); 74 75 int code; 76 COMPRESSION_TYPE(final int code)77 COMPRESSION_TYPE(final int code) { 78 this.code = code; 79 } 80 find(final int code)81 public static COMPRESSION_TYPE find(final int code) { 82 for (final COMPRESSION_TYPE t : values()) { 83 if (t.code == code) { 84 return t; 85 } 86 } 87 88 return null; 89 } 90 } 91 } 92