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    /**
026     * The type of compression.
027     */
028    public enum COMPRESSION_TYPE {
029        ZLIB(0),
030        BZLIB(1),
031        LZO(2);
032
033        public static COMPRESSION_TYPE find(final int code) {
034            for (final COMPRESSION_TYPE t : values()) {
035                if (t.code == code) {
036                    return t;
037                }
038            }
039
040            return null;
041        }
042
043        final int code;
044
045        COMPRESSION_TYPE(final int code) {
046            this.code = code;
047        }
048    }
049    /**
050     * The type of tape segment.
051     */
052    public enum SEGMENT_TYPE {
053        TAPE(1),
054        INODE(2),
055        BITS(3),
056        ADDR(4),
057        END(5),
058        CLRI(6);
059
060        public static SEGMENT_TYPE find(final int code) {
061            for (final SEGMENT_TYPE t : values()) {
062                if (t.code == code) {
063                    return t;
064                }
065            }
066
067            return null;
068        }
069
070        final int code;
071
072        SEGMENT_TYPE(final int code) {
073            this.code = code;
074        }
075    }
076    public static final int TP_SIZE = 1024;
077    public static final int NTREC = 10;
078    public static final int HIGH_DENSITY_NTREC = 32;
079    public static final int OFS_MAGIC = 60011;
080    public static final int NFS_MAGIC = 60012;
081    public static final int FS_UFS2_MAGIC = 0x19540119;
082    public static final int CHECKSUM = 84446;
083
084    public static final int LBLSIZE = 16;
085
086    public static final int NAMELEN = 64;
087
088    /* do not instantiate */
089    private DumpArchiveConstants() {
090    }
091}