[14031] | 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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[14957] | 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, "$ext_prefix/perllib/cpan");
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[16788] | 48 | unshift (@INC, "$ext_prefix/perllib/plugins");
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| 49 | unshift (@INC, "$ext_prefix/perllib/plugouts");
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[14957] | 50 | }
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| 51 | }
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[21291] | 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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[23372] | 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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[14031] | 67 | }
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| 68 |
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[27305] | 69 | # Pragma
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[14957] | 70 | use strict;
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[27305] | 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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[18456] | 78 | use inexport;
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[27305] | 79 | use util;
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[14031] | 80 |
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| 81 |
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[14957] | 82 |
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| 83 | # used to control output file format
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[14031] | 84 | my $saveas_list =
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[17751] | 85 | [ { 'name' => "GreenstoneXML",
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| 86 | 'desc' => "{export.saveas.GreenstoneXML}"},
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[14957] | 87 | { 'name' => "GreenstoneMETS",
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| 88 | 'desc' => "{export.saveas.GreenstoneMETS}"},
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[17038] | 89 | ];
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[14031] | 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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[14957] | 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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[28077] | 105 | #'deft' => "GreenstoneXML", # if saveas is defined a default here, then any valid value provided in collect.cfg is ignored
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[14957] | 106 | 'reqd' => "no",
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| 107 | 'modegli' => "3" };
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| 108 |
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| 109 |
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[14031] | 110 | my $arguments =
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[14957] | 111 | [
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| 112 | $saveas_argument,
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[28639] | 113 | { 'name' => "sortmeta",
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[14031] | 114 | 'desc' => "{import.sortmeta}",
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[19625] | 115 | 'type' => "string",
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| 116 | #'type' => "metadata", #doesn't work properly in GLI
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[14031] | 117 | 'reqd' => "no",
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[18590] | 118 | 'modegli' => "2" },
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[14031] | 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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[18590] | 136 | 'modegli' => "2" },
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[28639] | 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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[14031] | 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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[18590] | 147 | 'modegli' => "3" },
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[28639] | 148 | @$inexport::arguments
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| 149 | ];
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[14031] | 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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[27305] | 155 | my $function_to_inexport_subclass_mappings = {};
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[14031] | 156 |
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[27305] | 157 | sub main
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[22413] | 158 | {
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[27305] | 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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[14031] | 169 |
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[27305] | 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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[22459] | 193 |
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[27305] | 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,$options);
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| 213 |
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[28639] | 214 | #$inexport->set_collection_options($collect_cfg);
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| 215 | &set_collection_options($inexport, $collect_cfg);
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[27305] | 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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[22459] | 272 | }
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[27305] | 273 | }
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| 274 | return $inexport_class_count;
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[22413] | 275 | }
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[27305] | 276 | # _scanForInExportModules()
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[14031] | 277 |
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[28639] | 278 | # look up collect.cfg for import options, then all inexport version for the
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| 279 | # common ones
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| 280 | sub set_collection_options
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| 281 | {
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| 282 |
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| 283 | my ($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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[22413] | 328 | &main();
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