1 | /*
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2 | * Copyright 2000-2002,2004 The Apache Software Foundation
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | *
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16 | */
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17 |
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18 | /*
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19 | * This package is based on the work done by Timothy Gerard Endres
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20 | * ([email protected]) to whom the Ant project is very grateful for his great code.
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21 | */
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22 |
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23 | package org.apache.tools.tar;
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24 |
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25 | /**
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26 | * This interface contains all the definitions used in the package.
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27 | *
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28 | */
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29 |
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30 | public interface TarConstants {
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31 |
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32 | /**
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33 | * The length of the name field in a header buffer.
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34 | */
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35 | int NAMELEN = 100;
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36 |
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37 | /**
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38 | * The length of the mode field in a header buffer.
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39 | */
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40 | int MODELEN = 8;
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41 |
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42 | /**
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43 | * The length of the user id field in a header buffer.
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44 | */
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45 | int UIDLEN = 8;
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46 |
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47 | /**
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48 | * The length of the group id field in a header buffer.
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49 | */
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50 | int GIDLEN = 8;
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51 |
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52 | /**
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53 | * The length of the checksum field in a header buffer.
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54 | */
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55 | int CHKSUMLEN = 8;
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56 |
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57 | /**
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58 | * The length of the size field in a header buffer.
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59 | */
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60 | int SIZELEN = 12;
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61 |
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62 | /**
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63 | * The length of the magic field in a header buffer.
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64 | */
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65 | int MAGICLEN = 8;
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66 |
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67 | /**
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68 | * The length of the modification time field in a header buffer.
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69 | */
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70 | int MODTIMELEN = 12;
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71 |
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72 | /**
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73 | * The length of the user name field in a header buffer.
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74 | */
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75 | int UNAMELEN = 32;
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76 |
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77 | /**
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78 | * The length of the group name field in a header buffer.
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79 | */
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80 | int GNAMELEN = 32;
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81 |
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82 | /**
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83 | * The length of the devices field in a header buffer.
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84 | */
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85 | int DEVLEN = 8;
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86 |
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87 | /**
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88 | * LF_ constants represent the "link flag" of an entry, or more commonly,
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89 | * the "entry type". This is the "old way" of indicating a normal file.
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90 | */
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91 | byte LF_OLDNORM = 0;
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92 |
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93 | /**
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94 | * Normal file type.
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95 | */
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96 | byte LF_NORMAL = (byte) '0';
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97 |
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98 | /**
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99 | * Link file type.
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100 | */
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101 | byte LF_LINK = (byte) '1';
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102 |
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103 | /**
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104 | * Symbolic link file type.
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105 | */
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106 | byte LF_SYMLINK = (byte) '2';
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107 |
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108 | /**
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109 | * Character device file type.
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110 | */
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111 | byte LF_CHR = (byte) '3';
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112 |
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113 | /**
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114 | * Block device file type.
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115 | */
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116 | byte LF_BLK = (byte) '4';
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117 |
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118 | /**
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119 | * Directory file type.
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120 | */
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121 | byte LF_DIR = (byte) '5';
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122 |
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123 | /**
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124 | * FIFO (pipe) file type.
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125 | */
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126 | byte LF_FIFO = (byte) '6';
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127 |
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128 | /**
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129 | * Contiguous file type.
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130 | */
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131 | byte LF_CONTIG = (byte) '7';
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132 |
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133 | /**
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134 | * The magic tag representing a POSIX tar archive.
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135 | */
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136 | String TMAGIC = "ustar";
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137 |
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138 | /**
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139 | * The magic tag representing a GNU tar archive.
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140 | */
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141 | String GNU_TMAGIC = "ustar ";
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142 |
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143 | /**
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144 | * The namr of the GNU tar entry which contains a long name.
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145 | */
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146 | String GNU_LONGLINK = "././@LongLink";
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147 |
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148 | /**
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149 | * Identifies the *next* file on the tape as having a long name.
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150 | */
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151 | byte LF_GNUTYPE_LONGNAME = (byte) 'L';
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152 | }
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