1 | #!/usr/bin/perl -w
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2 |
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3 | ###########################################################################
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4 | #
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5 | # import.pl --
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6 | # A component of the Greenstone digital library software
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7 | # from the New Zealand Digital Library Project at the
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8 | # University of Waikato, New Zealand.
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9 | #
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10 | # Copyright (C) 1999 New Zealand Digital Library Project
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11 | #
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12 | # This program is free software; you can redistribute it and/or modify
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13 | # it under the terms of the GNU General Public License as published by
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14 | # the Free Software Foundation; either version 2 of the License, or
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15 | # (at your option) any later version.
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16 | #
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17 | # This program is distributed in the hope that it will be useful,
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18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 | # GNU General Public License for more details.
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21 | #
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22 | # You should have received a copy of the GNU General Public License
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23 | # along with this program; if not, write to the Free Software
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24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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25 | #
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26 | ###########################################################################
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27 |
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28 |
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29 | # This program will import a number of files into a particular collection
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30 |
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31 | package import;
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32 |
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33 | BEGIN {
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34 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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35 | die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
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36 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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37 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan");
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38 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/plugins");
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39 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/plugouts");
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40 |
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41 | if (defined $ENV{'GSDLEXTS'}) {
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42 | my @extensions = split(/:/,$ENV{'GSDLEXTS'});
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43 | foreach my $e (@extensions) {
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44 | my $ext_prefix = "$ENV{'GSDLHOME'}/ext/$e";
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45 |
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46 | unshift (@INC, "$ext_prefix/perllib");
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47 | unshift (@INC, "$ext_prefix/perllib/cpan");
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48 | unshift (@INC, "$ext_prefix/perllib/plugins");
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49 | unshift (@INC, "$ext_prefix/perllib/plugouts");
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50 | }
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51 | }
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52 | if (defined $ENV{'GSDL3EXTS'}) {
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53 | my @extensions = split(/:/,$ENV{'GSDL3EXTS'});
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54 | foreach my $e (@extensions) {
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55 | my $ext_prefix = "$ENV{'GSDL3SRCHOME'}/ext/$e";
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56 |
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57 | unshift (@INC, "$ext_prefix/perllib");
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58 | unshift (@INC, "$ext_prefix/perllib/cpan");
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59 | unshift (@INC, "$ext_prefix/perllib/plugins");
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60 | unshift (@INC, "$ext_prefix/perllib/plugouts");
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61 | }
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62 | }
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63 |
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64 | if ((defined $ENV{'DEBUG_UNICODE'}) && (defined $ENV{'DEBUG_UNICODE'})) {
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65 | binmode(STDERR,":utf8");
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66 | }
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67 | }
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68 |
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69 | # Pragma
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70 | use strict;
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71 | use warnings;
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72 |
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73 | # Modules
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74 | use Symbol qw<qualify>; # Needed for runtime loading of modules [jmt12]
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75 |
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76 | # Greenstone Modules
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77 | use FileUtils;
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78 | use inexport;
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79 | use util;
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80 |
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81 |
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82 |
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83 | # used to control output file format
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84 | my $saveas_list =
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85 | [ { 'name' => "GreenstoneXML",
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86 | 'desc' => "{export.saveas.GreenstoneXML}"},
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87 | { 'name' => "GreenstoneMETS",
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88 | 'desc' => "{export.saveas.GreenstoneMETS}"},
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89 | ];
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90 |
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91 |
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92 | # Possible attributes for each argument
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93 | # name: The name of the argument
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94 | # desc: A description (or more likely a reference to a description) for this argument
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95 | # type: The type of control used to represent the argument. Options include: string, int, flag, regexp, metadata, language, enum etc
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96 | # reqd: Is this argument required?
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97 | # hiddengli: Is this argument hidden in GLI?
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98 | # modegli: The lowest detail mode this argument is visible at in GLI
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99 |
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100 | my $saveas_argument
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101 | = { 'name' => "saveas",
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102 | 'desc' => "{import.saveas}",
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103 | 'type' => "enum",
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104 | 'list' => $saveas_list,
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105 | #'deft' => "GreenstoneXML", # if saveas is defined a default here, then any valid value provided in collect.cfg is ignored
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106 | 'reqd' => "no",
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107 | 'modegli' => "3" };
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108 |
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109 |
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110 | my $arguments =
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111 | [
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112 | $saveas_argument,
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113 | { 'name' => "sortmeta",
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114 | 'desc' => "{import.sortmeta}",
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115 | 'type' => "string",
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116 | #'type' => "metadata", #doesn't work properly in GLI
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117 | 'reqd' => "no",
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118 | 'modegli' => "2" },
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119 | { 'name' => "removeprefix",
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120 | 'desc' => "{BasClas.removeprefix}",
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121 | 'type' => "regexp",
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122 | 'deft' => "",
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123 | 'reqd' => "no",
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124 | 'modegli' => "3" },
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125 | { 'name' => "removesuffix",
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126 | 'desc' => "{BasClas.removesuffix}",
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127 | 'type' => "regexp",
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128 | 'deft' => "",
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129 | 'reqd' => "no",
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130 | 'modegli' => "3" },
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131 | { 'name' => "groupsize",
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132 | 'desc' => "{import.groupsize}",
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133 | 'type' => "int",
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134 | 'deft' => "1",
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135 | 'reqd' => "no",
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136 | 'modegli' => "2" },
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137 | { 'name' => "archivedir",
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138 | 'desc' => "{import.archivedir}",
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139 | 'type' => "string",
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140 | 'reqd' => "no",
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141 | 'hiddengli' => "yes" },
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142 | @$inexport::directory_arguments,
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143 | { 'name' => "gzip",
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144 | 'desc' => "{import.gzip}",
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145 | 'type' => "flag",
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146 | 'reqd' => "no",
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147 | 'modegli' => "3" },
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148 | @$inexport::arguments
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149 | ];
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150 |
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151 | my $options = { 'name' => "import.pl",
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152 | 'desc' => "{import.desc}",
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153 | 'args' => $arguments };
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154 |
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155 | my $function_to_inexport_subclass_mappings = {};
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156 |
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157 | sub main
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158 | {
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159 | # Dynamically include arguments from any subclasses of inexport we find
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160 | # in the extensions directory
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161 | if (defined $ENV{'GSDLEXTS'})
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162 | {
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163 | &_scanForSubclasses($ENV{'GSDLHOME'}, $ENV{'GSDLEXTS'});
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164 | }
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165 | if (defined $ENV{'GSDL3EXTS'})
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166 | {
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167 | &_scanForSubclasses($ENV{'GSDL3SRCHOME'}, $ENV{'GSDL3EXTS'});
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168 | }
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169 |
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170 | # Loop through arguments, checking to see if any depend on a specific
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171 | # subclass of InExport. Note that we load the first subclass we encounter
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172 | # so only support a single 'override' ATM.
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173 | my $inexport_subclass;
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174 | foreach my $argument (@ARGV)
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175 | {
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176 | # proper arguments start with a hyphen
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177 | if ($argument =~ /^-/ && defined $function_to_inexport_subclass_mappings->{$argument})
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178 | {
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179 | my $required_inexport_subclass = $function_to_inexport_subclass_mappings->{$argument};
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180 | if (!defined $inexport_subclass)
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181 | {
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182 | $inexport_subclass = $required_inexport_subclass;
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183 | }
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184 | # Oh noes! The user has included specific arguments from two different
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185 | # inexport subclasses... this isn't supported
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186 | elsif ($inexport_subclass ne $required_inexport_subclass)
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187 | {
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188 | print STDERR "Error! You cannot specify arguments from two different extention specific inexport modules: " . $inexport_subclass . " != " . $required_inexport_subclass . "\n";
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189 | exit;
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190 | }
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191 | }
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192 | }
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193 |
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194 | my $inexport;
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195 | if (defined $inexport_subclass)
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196 | {
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197 | print "* Loading Overriding InExport Module: " . $inexport_subclass . "\n";
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198 | require $inexport_subclass . '.pm';
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199 | $inexport = new $inexport_subclass("import",\@ARGV,$options);
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200 | }
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201 | # We don't have a overridden inexport, or the above command failed somehow
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202 | # so load the base inexport class
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203 | if (!defined $inexport)
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204 | {
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205 | $inexport = new inexport("import",\@ARGV,$options);
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206 | }
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207 |
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208 | my $collection = $inexport->get_collection();
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209 |
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210 | if (defined $collection)
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211 | {
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212 | my ($config_filename,$collect_cfg) = $inexport->read_collection_cfg($collection,$options);
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213 |
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214 | #$inexport->set_collection_options($collect_cfg);
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215 | &set_collection_options($inexport, $collect_cfg);
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216 |
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217 | my $pluginfo = $inexport->process_files($config_filename,$collect_cfg);
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218 |
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219 | $inexport->generate_statistics($pluginfo);
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220 | }
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221 |
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222 | $inexport->deinit();
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223 | }
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224 | # main()
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225 |
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226 | # @function _scanForSubclasses()
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227 | # @param $dir The extension directory to look within
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228 | # @param $exts A list of the available extensions (as a colon separated string)
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229 | # @return The number of subclasses of InExport found as an Integer
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230 | sub _scanForSubclasses
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231 | {
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232 | my ($dir, $exts) = @_;
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233 | my $inexport_class_count = 0;
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234 | my $ext_prefix = &FileUtils::filenameConcatenate($dir, "ext");
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235 | my @extensions = split(/:/, $exts);
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236 | foreach my $e (@extensions)
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237 | {
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238 | # - any subclass of InExport must be prefixed with the name of the ext
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239 | my $package_name = $e . 'inexport';
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240 | $package_name =~ s/[^a-z]//gi; # package names have limited characters
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241 | my $inexport_filename = $package_name . '.pm';
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242 | my $inexport_path = &FileUtils::filenameConcatenate($ext_prefix, $e, 'perllib', $inexport_filename);
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243 | # see if we have a subclass of InExport lurking in that extension folder
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244 | if (-f $inexport_path)
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245 | {
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246 | # - note we load the filename (with pm) unlike normal modules
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247 | require $inexport_filename;
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248 | # - make call to the newly created package
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249 | my $symbol = qualify('getSupportedArguments', $package_name);
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250 | # - strict prevents strings being used as function calls, so temporarily
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251 | # disable that pragma
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252 | no strict;
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253 | # - lets check that the function we are about to call actually exists
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254 | if ( defined &{$symbol} )
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255 | {
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256 | my $extra_arguments = &{$symbol}();
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257 | foreach my $argument (@{$extra_arguments})
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258 | {
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259 | # - record a mapping from each extra arguments to the inexport class
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260 | # that supports it. We put the hyphen on here to make comparing
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261 | # with command line arguments even easier
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262 | $function_to_inexport_subclass_mappings->{'-' . $argument->{'name'}} = $package_name;
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263 | # - and them add them as acceptable arguments to import.pl
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264 | push(@{$options->{'args'}}, $argument);
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265 | }
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266 | $inexport_class_count++;
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267 | }
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268 | else
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269 | {
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270 | print "Warning! A subclass of InExport module (named '" . $inexport_filename . "') does not implement the required getSupportedArguments() function - ignoring. Found in: " . $inexport_path . "\n";
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271 | }
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272 | }
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273 | }
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274 | return $inexport_class_count;
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275 | }
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276 | # _scanForInExportModules()
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277 |
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278 | # look up collect.cfg for import options, then all inexport version for the
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279 | # common ones
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280 | sub set_collection_options
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281 | {
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282 |
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283 | my ($inexport, $collectcfg) = @_;
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284 |
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285 | #groupsize can (currently) only be defined for import, not export, and
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286 | # will be set to 1 if the user has not set it
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287 | if ((defined $inexport->{'groupsize'}) && ($inexport->{'groupsize'} == 1)) {
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288 | if (defined $collectcfg->{'groupsize'} && $collectcfg->{'groupsize'} =~ /\d+/) {
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289 | $inexport->{'groupsize'} = $collectcfg->{'groupsize'};
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290 | }
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291 | }
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292 |
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293 | if (!defined $inexport->{'saveas'}) {
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294 | if (defined $collectcfg->{'saveas'}
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295 | && $collectcfg->{'saveas'} =~ /^(GreenstoneXML|GreenstoneMETS)$/) {
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296 | $inexport->{'saveas'} = $collectcfg->{'saveas'};
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297 | } else {
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298 | $inexport->{'saveas'} = "GreenstoneXML"; # the default
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299 | }
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300 | }
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301 |
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302 | my $sortmeta = $inexport->{'sortmeta'};
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303 | if (defined $collectcfg->{'sortmeta'} && (!defined $sortmeta || $sortmeta eq "")) {
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304 | $sortmeta = $collectcfg->{'sortmeta'};
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305 | }
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306 | # sortmeta cannot be used with group size
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307 | $sortmeta = undef unless defined $sortmeta && $sortmeta =~ /\S/;
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308 | if (defined $sortmeta && $inexport->{'groupsize'} > 1) {
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309 | &gsprintf($out, "{import.cannot_sort}\n\n");
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310 | $sortmeta = undef;
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311 | }
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312 | if (defined $sortmeta) {
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313 | &gsprintf($out, "{import.sortmeta_paired_with_ArchivesInfPlugin}\n\n");
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314 | }
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315 | $inexport->{'sortmeta'} = $sortmeta;
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316 |
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317 | if (defined $collectcfg->{'removeprefix'} && $inexport->{'removeprefix'} eq "") {
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318 | $inexport->{'removeprefix'} = $collectcfg->{'removeprefix'};
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319 | }
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320 |
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321 | if (defined $collectcfg->{'removesuffix'} && $inexport->{'removesuffix'} eq "") {
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322 | $inexport->{'removesuffix'} = $collectcfg->{'removesuffix'};
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323 | }
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324 |
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325 | $inexport->set_collection_options($collectcfg);
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326 |
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327 | }
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328 | &main();
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