| 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, "$ENV{'GSDLHOME'}/perllib/plugins");
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| 38 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/classify");
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| 39 | }
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| 40 |
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| 41 | use arcinfo;
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| 42 | use colcfg;
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| 43 | use plugin;
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| 44 | use docprint;
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| 45 | use util;
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| 46 | use parsargv;
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| 47 | use FileHandle;
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| 48 |
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| 49 | sub print_usage {
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| 50 | print STDERR "\n usage: $0 [options] collection-name\n\n";
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| 51 | print STDERR " options:\n";
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| 52 | print STDERR " -verbosity number 0=none, 3=lots\n";
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| 53 | print STDERR " -importdir directory Where the original material lives\n";
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| 54 | print STDERR " -archivedir directory Where the converted material ends up\n";
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| 55 | print STDERR " -keepold Will not destroy the current contents of the\n";
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| 56 | print STDERR " archives directory (the default)\n";
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| 57 | print STDERR " -removeold Will remove the old contents of the archives\n";
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| 58 | print STDERR " directory -- use with care\n";
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| 59 | print STDERR " -gzip Use gzip to compress resulting gml documents\n";
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| 60 | print STDERR " (don't forget to include ZIPPlug in your plugin\n";
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| 61 | print STDERR " list when building from compressed documents)\n";
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| 62 | print STDERR " -maxdocs number Maximum number of documents to import\n";
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| 63 | print STDERR " -groupsize number Number of GML documents to group into one file\n";
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| 64 | print STDERR " -sortmeta metadata Sort documents alphabetically by metadata for\n";
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| 65 | print STDERR " building. This will be disabled if groupsize > 1\n";
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| 66 | print STDERR " -debug Print imported text to STDOUT\n";
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| 67 | print STDERR " -out Filename or handle to print output status to.\n";
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| 68 | print STDERR " The default is STDERR\n\n";
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| 69 | }
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| 70 |
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| 71 | &main();
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| 72 |
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| 73 | sub main {
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| 74 | my ($verbosity, $importdir, $archivedir, $keepold,
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| 75 | $removeold, $gzip, $groupsize, $debug, $maxdocs, $collection,
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| 76 | $configfilename, $collectcfg, $pluginfo, $sortmeta,
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| 77 | $archive_info_filename, $archive_info, $processor, $out);
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| 78 | if (!parsargv::parse(\@ARGV,
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| 79 | 'verbosity/\d+/2', \$verbosity,
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| 80 | 'importdir/.*/', \$importdir,
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| 81 | 'archivedir/.*/', \$archivedir,
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| 82 | 'keepold', \$keepold,
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| 83 | 'removeold', \$removeold,
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| 84 | 'gzip', \$gzip,
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| 85 | 'groupsize/\d+/1', \$groupsize,
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| 86 | 'sortmeta/.*/', \$sortmeta,
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| 87 | 'debug', \$debug,
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| 88 | 'maxdocs/^\-?\d+/-1', \$maxdocs,
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| 89 | 'out/.*/STDERR', \$out)) {
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| 90 | &print_usage();
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| 91 | die "\n";
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| 92 | }
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| 93 |
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| 94 | my $close_out = 0;
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| 95 | if ($out !~ /^(STDERR|STDOUT)$/i) {
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| 96 | open (OUT, ">$out") || die "Couldn't open output file $out\n";
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| 97 | $out = 'import::OUT';
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| 98 | $close_out = 1;
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| 99 | }
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| 100 | $out->autoflush(1);
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| 101 |
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| 102 | # set removeold to false if it has been defined
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| 103 | $removeold = 0 if ($keepold);
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| 104 |
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| 105 | # get and check the collection name
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| 106 | if (($collection = &util::use_collection(@ARGV)) eq "") {
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| 107 | &print_usage();
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| 108 | die "\n";
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| 109 | }
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| 110 |
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| 111 | # check sortmeta
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| 112 | $sortmeta = undef unless defined $sortmeta && $sortmeta =~ /\S/;
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| 113 | if (defined $sortmeta && $groupsize > 1) {
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| 114 | print $out "WARNING: import.pl cannot sort documents when groupsize > 1\n";
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| 115 | print $out " sortmeta option will be ignored\n\n";
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| 116 | $sortmeta = undef;
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| 117 | }
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| 118 |
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| 119 | # dynamically load 'docsave' module so it can pick up on a collection
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| 120 | # specific docsave.pm is specified.
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| 121 |
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| 122 | unshift (@INC, "$ENV{'GSDLCOLLECTDIR'}/perllib");
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| 123 | require docsave;
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| 124 |
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| 125 |
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| 126 | # get the list of plugins for this collection
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| 127 | my $plugins = [];
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| 128 | $configfilename = &util::filename_cat ($ENV{'GSDLCOLLECTDIR'}, "etc/collect.cfg");
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| 129 | if (-e $configfilename) {
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| 130 | $collectcfg = &colcfg::read_collect_cfg ($configfilename);
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| 131 | if (defined $collectcfg->{'plugin'}) {
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| 132 | $plugins = $collectcfg->{'plugin'};
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| 133 | }
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| 134 | if (defined $collectcfg->{'importdir'} && $importdir eq "") {
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| 135 | $importdir = $collectcfg->{'importdir'};
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| 136 | }
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| 137 | if (defined $collectcfg->{'archivedir'} && $archivedir eq "") {
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| 138 | $archivedir = $collectcfg->{'archivedir'};
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| 139 | }
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| 140 | if (defined $collectcfg->{'removeold'}) {
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| 141 | if ($collectcfg->{'removeold'} =~ /^true$/i && !$keepold) {
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| 142 | $removeold = 1;
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| 143 | }
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| 144 | if ($collectcfg->{'removeold'} =~ /^false$/i && !$removeold) {
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| 145 | $removeold = 0;
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| 146 | }
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| 147 | }
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| 148 | } else {
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| 149 | die "Couldn't find the configuration file $configfilename\n";
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| 150 | }
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| 151 |
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| 152 | # fill in the default import and archives directories if none
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| 153 | # were supplied, turn all \ into / and remove trailing /
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| 154 | $importdir = "$ENV{'GSDLCOLLECTDIR'}/import" if $importdir eq "";
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| 155 | $importdir =~ s/[\\\/]+/\//g;
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| 156 | $importdir =~ s/\/$//;
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| 157 | $archivedir = "$ENV{'GSDLCOLLECTDIR'}/archives" if $archivedir eq "";
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| 158 | $archivedir =~ s/[\\\/]+/\//g;
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| 159 | $archivedir =~ s/\/$//;
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| 160 |
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| 161 | # load all the plugins
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| 162 | $pluginfo = &plugin::load_plugins ($plugins, $verbosity, $out);
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| 163 | if (scalar(@$pluginfo) == 0) {
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| 164 | print $out "No plugins were loaded.\n";
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| 165 | die "\n";
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| 166 | }
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| 167 |
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| 168 | # remove the old contents of the archives directory if needed
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| 169 | if ($removeold && -e $archivedir) {
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| 170 | print $out "Warning - removing current contents of the archives directory\n";
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| 171 | print $out " in preparation for the import\n";
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| 172 | sleep(5); # just in case...
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| 173 | &util::rm_r ($archivedir);
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| 174 | }
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| 175 |
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| 176 | # read the archive information file
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| 177 | if (!$debug) {
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| 178 | $archive_info_filename = &util::filename_cat ($archivedir, "archives.inf");
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| 179 | $archive_info = new arcinfo ();
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| 180 | $archive_info->load_info ($archive_info_filename);
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| 181 |
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| 182 | # create a docsave object to process the documents
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| 183 | $processor = new docsave ($collection, $archive_info, $verbosity, $gzip, $groupsize, $out);
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| 184 | $processor->setarchivedir ($archivedir);
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| 185 | $processor->set_sortmeta ($sortmeta) if defined $sortmeta;
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| 186 | } else {
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| 187 | $processor = new docprint ();
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| 188 | }
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| 189 |
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| 190 | &plugin::begin($pluginfo, $importdir, $processor, $maxdocs);
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| 191 |
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| 192 | # process the import directory
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| 193 | &plugin::read ($pluginfo, $importdir, "", {}, $processor, $maxdocs);
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| 194 |
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| 195 | &plugin::end($pluginfo);
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| 196 |
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| 197 | # write out the archive information file
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| 198 | if (!$debug) {
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| 199 | $processor->close_file_output() if $groupsize > 1;
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| 200 | $archive_info->save_info($archive_info_filename);
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| 201 | }
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| 202 | close OUT if $close_out;
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| 203 | }
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