[537] | 1 | ###########################################################################
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| 2 | #
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[16013] | 3 | # ArchivesInfPlugin.pm --
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[537] | 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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[21566] | 26 | # plugin which reads through an archives.inf (or archiveinf-doc info database equivalent)
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| 27 | # -- i.e. the file generated in the archives directory when an import is done),
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| 28 | # processing each file it finds
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[4] | 29 |
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[15870] | 30 | package ArchivesInfPlugin;
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[4] | 31 |
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| 32 | use util;
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[18528] | 33 | use doc;
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[17738] | 34 | use PrintInfo;
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[4] | 35 | use plugin;
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| 36 | use arcinfo;
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[5680] | 37 | use gsprintf;
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[4] | 38 |
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[10254] | 39 | use strict;
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| 40 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 41 |
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[21563] | 42 |
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[4] | 43 | BEGIN {
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[17738] | 44 | @ArchivesInfPlugin::ISA = ('PrintInfo');
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[4] | 45 | }
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| 46 |
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[10254] | 47 | my $arguments = [
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[20758] | 48 | { 'name' => "reversesort",
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| 49 | 'desc' => "{ArchivesInfPlugin.reversesort}",
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| 50 | 'type' => "flag",
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| 51 | 'reqd' => "no",
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| 52 | 'modegli' => "2" },
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| 53 |
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[10254] | 54 | ];
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| 55 |
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[15870] | 56 | my $options = { 'name' => "ArchivesInfPlugin",
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| 57 | 'desc' => "{ArchivesInfPlugin.desc}",
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[6408] | 58 | 'abstract' => "no",
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[20760] | 59 | 'inherits' => "yes",
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| 60 | 'args' => $arguments};
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[10254] | 61 |
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[5680] | 62 | sub gsprintf
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| 63 | {
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| 64 | return &gsprintf::gsprintf(@_);
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| 65 | }
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| 66 |
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[4] | 67 | sub new {
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[10218] | 68 | my ($class) = shift (@_);
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| 69 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 70 | push(@$pluginlist, $class);
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[4] | 71 |
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[15870] | 72 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 73 | push(@{$hashArgOptLists->{"OptList"}},$options);
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[10218] | 74 |
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[17738] | 75 | my $self = new PrintInfo($pluginlist, $inputargs, $hashArgOptLists);
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[10218] | 76 |
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[4] | 77 | return bless $self, $class;
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| 78 | }
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| 79 |
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[17738] | 80 | # called once, at the start of processing
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| 81 | sub init {
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| 82 | my $self = shift (@_);
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| 83 | my ($verbosity, $outhandle, $failhandle) = @_;
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| 84 |
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| 85 | # verbosity is passed through from the processor
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| 86 | $self->{'verbosity'} = $verbosity;
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| 87 |
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| 88 | # as are the outhandle and failhandle
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| 89 | $self->{'outhandle'} = $outhandle if defined $outhandle;
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| 90 | $self->{'failhandle'} = $failhandle;
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| 91 |
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| 92 | }
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| 93 |
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[10156] | 94 | sub deinit {
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| 95 | my ($self) = @_;
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| 96 |
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| 97 | my $archive_info = $self->{'archive_info'};
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[18508] | 98 | my $verbosity = $self->{'verbosity'};
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| 99 | my $outhandle = $self->{'outhandle'};
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[10156] | 100 |
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| 101 | if (defined $archive_info) {
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[21614] | 102 | # Get the infodbtype value for this collection from the arcinfo object
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| 103 | my $infodbtype = $archive_info->{'infodbtype'};
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[10156] | 104 | my $archive_info_filename = $self->{'archive_info_filename'};
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[21614] | 105 | my $infodb_file_handle = &dbutil::open_infodb_write_handle($infodbtype, $archive_info_filename, "append");
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[10156] | 106 |
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| 107 | my $file_list = $archive_info->get_file_list();
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| 108 |
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[18456] | 109 | foreach my $subfile (@$file_list) {
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[10156] | 110 | my $doc_oid = $subfile->[1];
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[18441] | 111 |
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[10254] | 112 | my $index_status = $archive_info->get_status_info($doc_oid);
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[18456] | 113 |
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[18441] | 114 | if ($index_status eq "D") {
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| 115 | # delete
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| 116 | $archive_info->delete_info($doc_oid);
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[21614] | 117 | &dbutil::delete_infodb_entry($infodbtype, $infodb_file_handle, $doc_oid);
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[18508] | 118 |
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| 119 | my $doc_file = $subfile->[0];
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| 120 | my $base_dir =$self->{'base_dir'};
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| 121 |
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| 122 | my $doc_filename = &util::filename_cat($base_dir,$doc_file);
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| 123 |
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| 124 | my ($doc_tailname, $doc_dirname, $suffix)
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| 125 | = File::Basename::fileparse($doc_filename, "\\.[^\\.]+\$");
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| 126 |
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[18509] | 127 | print $outhandle "Removing $doc_dirname\n" if ($verbosity>2);
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[18508] | 128 |
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| 129 | &util::rm_r($doc_dirname);
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| 130 |
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| 131 |
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[18441] | 132 | }
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| 133 | elsif ($index_status =~ m/^(I|R)$/) {
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| 134 | # mark as "been indexed"
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| 135 | $archive_info->set_status_info($doc_oid,"B");
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| 136 | }
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[10156] | 137 | }
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| 138 |
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[21614] | 139 | &dbutil::close_infodb_write_handle($infodbtype, $infodb_file_handle);
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[10156] | 140 | $archive_info->save_info($archive_info_filename);
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| 141 | }
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| 142 | }
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| 143 |
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[17738] | 144 | # called at the beginning of each plugin pass (import has one, buildin has many)
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| 145 | sub begin {
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| 146 | my $self = shift (@_);
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| 147 | my ($pluginfo, $base_dir, $processor, $maxdocs) = @_;
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| 148 |
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[18508] | 149 | $self->{'base_dir'} = $base_dir;
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[17738] | 150 | }
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| 151 |
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[21308] | 152 | sub remove_all {
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[21285] | 153 | my $self = shift (@_);
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| 154 | my ($pluginfo, $base_dir, $processor, $maxdocs) = @_;
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| 155 |
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| 156 | }
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[21308] | 157 |
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| 158 | sub remove_one {
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| 159 | my $self = shift (@_);
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[21315] | 160 | my ($file, $oids, $archivedir) = @_;
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| 161 | return undef; # only called during import at this stage, this will never be processing a file
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| 162 |
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[21308] | 163 | }
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| 164 |
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| 165 |
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[17738] | 166 | # called at the end of each plugin pass
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| 167 | sub end {
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| 168 | my ($self) = shift (@_);
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| 169 |
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| 170 | }
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| 171 |
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| 172 |
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[4] | 173 | # return 1 if this class might recurse using $pluginfo
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| 174 | sub is_recursive {
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| 175 | my $self = shift (@_);
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| 176 |
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| 177 | return 1;
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| 178 | }
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| 179 |
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[10156] | 180 |
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[17738] | 181 | sub compile_stats {
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| 182 | my $self = shift(@_);
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| 183 | my ($stats) = @_;
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| 184 | }
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[10156] | 185 |
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[17738] | 186 | # We don't do metadata_read
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| 187 | sub metadata_read {
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| 188 | my $self = shift (@_);
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[19493] | 189 | my ($pluginfo, $base_dir, $file, $block_hash,
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| 190 | $extrametakeys, $extrametadata, $extrametafile,
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| 191 | $processor, $maxdocs, $gli) = @_;
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[10156] | 192 |
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[17738] | 193 | return undef;
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| 194 | }
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| 195 |
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| 196 | sub file_block_read {
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| 197 |
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| 198 | my $self = shift (@_);
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| 199 | my ($pluginfo, $base_dir, $file, $block_hash, $metadata, $gli) = @_;
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| 200 |
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[18528] | 201 | if ($file eq "OIDcount") {
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| 202 | my ($filename_full_path, $filename_no_path)
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| 203 | = &util::get_full_filenames($base_dir, $file);
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| 204 | $block_hash->{'file_blocks'}->{$filename_full_path} = 1;
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| 205 | return 1;
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| 206 | }
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| 207 |
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| 208 | # otherwise, we don't do any file blocking
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| 209 |
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[17738] | 210 | return undef;
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| 211 | }
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| 212 |
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| 213 |
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[317] | 214 | # return number of files processed, undef if can't process
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[4] | 215 | # Note that $base_dir might be "" and that $file might
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| 216 | # include directories
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| 217 | sub read {
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| 218 | my $self = shift (@_);
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[16392] | 219 | my ($pluginfo, $base_dir, $file, $block_hash, $metadata, $processor, $maxdocs,$total_count, $gli) = @_;
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[1424] | 220 | my $outhandle = $self->{'outhandle'};
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[4] | 221 |
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[317] | 222 | my $count = 0;
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| 223 |
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[21614] | 224 | # This function only makes sense at build-time
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| 225 | return if (ref($processor) !~ /buildproc$/);
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| 226 |
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| 227 | # Get the infodbtype value for this collection from the buildproc object
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| 228 | my $infodbtype = $processor->{'infodbtype'};
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| 229 |
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[4] | 230 | # see if this has a archives information file within it
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[18441] | 231 | ## my $archive_info_filename = &util::filename_cat($base_dir,$file,"archives.inf");
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[21614] | 232 | my $archive_info_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", &util::filename_cat($base_dir, $file));
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[18659] | 233 |
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[4] | 234 | if (-e $archive_info_filename) {
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| 235 |
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[317] | 236 | # found an archives.inf file
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[15870] | 237 | &gsprintf($outhandle, "ArchivesInfPlugin: {common.processing} $archive_info_filename\n") if $self->{'verbosity'} > 1;
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[317] | 238 |
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[4] | 239 | # read in the archives information file
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[21614] | 240 | my $archive_info = new arcinfo($infodbtype);
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[10156] | 241 | $self->{'archive_info'} = $archive_info;
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[12397] | 242 | $self->{'archive_info_filename'} = $archive_info_filename;
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[20758] | 243 | if ($self->{'reversesort'}) {
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| 244 | $archive_info->reverse_sort();
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| 245 | }
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| 246 |
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[4] | 247 | $archive_info->load_info ($archive_info_filename);
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| 248 |
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[230] | 249 | my $file_list = $archive_info->get_file_list();
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[4] | 250 |
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| 251 | # process each file
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[1244] | 252 | foreach my $subfile (@$file_list) {
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[18441] | 253 |
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[9853] | 254 | last if ($maxdocs != -1 && ($total_count + $count) >= $maxdocs);
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[317] | 255 |
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[4] | 256 | my $tmp = &util::filename_cat ($file, $subfile->[0]);
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| 257 | next if $tmp eq $file;
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[18456] | 258 |
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| 259 | my $doc_oid = $subfile->[1];
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| 260 | my $index_status = $archive_info->get_status_info($doc_oid);
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| 261 |
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| 262 | my $curr_mode = $processor->get_mode();
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| 263 | my $new_mode = $curr_mode;
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| 264 |
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| 265 | # Start by assuming we want to process the file...
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[16257] | 266 | my $process_file = 1;
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[10156] | 267 |
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[18469] | 268 | # ...unless the build processor is incremental capable and -incremental was specified, in which case we need to check its index_status flag
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[16257] | 269 | if ($processor->is_incremental_capable() && $self->{'incremental'})
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| 270 | {
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[18441] | 271 | # Check to see if the file needs indexing
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[16257] | 272 | if ($index_status eq "B")
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| 273 | {
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[18441] | 274 | # Don't process this file as it has already been indexed
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[16257] | 275 | $process_file = 0;
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[10305] | 276 | }
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[18456] | 277 | elsif ($index_status eq "D") {
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| 278 | # Need to be delete it from the index.
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| 279 | $new_mode = $curr_mode."delete";
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| 280 | $process_file = 1;
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| 281 | }
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| 282 | elsif ($index_status eq "R") {
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[18469] | 283 | # Need to be reindexed/replaced
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[18456] | 284 | $new_mode = $curr_mode."reindex";
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[18469] | 285 |
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[18456] | 286 | $process_file = 1;
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| 287 | }
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[10305] | 288 | }
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[18456] | 289 | # ... or we're being asked to delete it (in which case skip it)
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| 290 | elsif ($index_status eq "D") {
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[18469] | 291 | # Non-incremental Delete
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| 292 | # It's already been deleted from the archives directory
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| 293 | # (done during import.pl)
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| 294 | # => All we need to do here is not process it
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[10305] | 295 |
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[18456] | 296 | $process_file = 0;
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| 297 | }
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| 298 |
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[18469] | 299 | if (!$processor->is_incremental_capable() && $self->{'incremental'}) {
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| 300 | # Nag feature
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| 301 | if (!defined $self->{'incremental-warning'}) {
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| 302 | print $outhandle "\n";
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| 303 | print $outhandle "Warning: command-line option '-incremental' used with *non-incremental*\n";
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| 304 | print $outhandle " processor '", ref $processor, "'. Some conflicts may arise.\n";
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| 305 | print $outhandle "\n";
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| 306 | sleep 10;
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| 307 | $self->{'incremental-warning'} = 1;
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| 308 | }
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| 309 | }
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| 310 |
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[10305] | 311 | if ($process_file) {
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[10156] | 312 | # note: metadata is not carried on to the next level
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[18456] | 313 |
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| 314 | $processor->set_mode($new_mode) if ($new_mode ne $curr_mode);
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| 315 |
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[16392] | 316 | $count += &plugin::read ($pluginfo, $base_dir, $tmp, $block_hash, {}, $processor, $maxdocs, ($total_count+$count), $gli);
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[18456] | 317 |
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| 318 | $processor->set_mode($curr_mode) if ($new_mode ne $curr_mode);
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[10156] | 319 | }
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[4] | 320 | }
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| 321 |
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[317] | 322 | return $count;
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[4] | 323 | }
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| 324 |
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[18528] | 325 |
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[4] | 326 | # wasn't an archives directory, someone else will have to process it
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[317] | 327 | return undef;
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[4] | 328 | }
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| 329 |
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| 330 | 1;
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