001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.commons.compress.archivers.dump; 020 021/** 022 * Various constants associated with dump archives. 023 */ 024public final class DumpArchiveConstants { 025 public static final int TP_SIZE = 1024; 026 public static final int NTREC = 10; 027 public static final int HIGH_DENSITY_NTREC = 32; 028 public static final int OFS_MAGIC = 60011; 029 public static final int NFS_MAGIC = 60012; 030 public static final int FS_UFS2_MAGIC = 0x19540119; 031 public static final int CHECKSUM = 84446; 032 public static final int LBLSIZE = 16; 033 public static final int NAMELEN = 64; 034 035 /* do not instantiate */ 036 private DumpArchiveConstants() { 037 } 038 039 /** 040 * The type of tape segment. 041 */ 042 public enum SEGMENT_TYPE { 043 TAPE(1), 044 INODE(2), 045 BITS(3), 046 ADDR(4), 047 END(5), 048 CLRI(6); 049 050 int code; 051 052 private SEGMENT_TYPE(final int code) { 053 this.code = code; 054 } 055 056 public static SEGMENT_TYPE find(final int code) { 057 for (final SEGMENT_TYPE t : values()) { 058 if (t.code == code) { 059 return t; 060 } 061 } 062 063 return null; 064 } 065 } 066 067 /** 068 * The type of compression. 069 */ 070 public enum COMPRESSION_TYPE { 071 ZLIB(0), 072 BZLIB(1), 073 LZO(2); 074 075 int code; 076 077 private COMPRESSION_TYPE(final int code) { 078 this.code = code; 079 } 080 081 public static COMPRESSION_TYPE find(final int code) { 082 for (final COMPRESSION_TYPE t : values()) { 083 if (t.code == code) { 084 return t; 085 } 086 } 087 088 return null; 089 } 090 } 091}