[28391] | 1 | ##########################################################################
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| 2 | #
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| 3 | # jenaTDBBuildproc.pm --
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| 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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| 26 | # This document processor outputs a document for indexing (should be
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| 27 | # implemented by subclass) and storing in the database
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| 28 |
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| 29 | package jenaTDBBuildproc;
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| 30 |
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| 31 | use strict;
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[28392] | 32 | no strict 'refs'; # allow filehandles to be variables and viceversa
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[28391] | 33 |
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[28410] | 34 | use docprint;
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[28391] | 35 | use util;
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[28410] | 36 | use FileUtils;
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[28391] | 37 |
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| 38 | use extrabuildproc;
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| 39 |
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| 40 |
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| 41 | BEGIN {
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| 42 | @jenaTDBBuildproc::ISA = ('extrabuildproc');
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| 43 | }
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| 44 |
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| 45 | sub new()
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| 46 | {
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| 47 | my $class = shift @_;
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| 48 |
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| 49 | my $self = new extrabuildproc (@_);
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| 50 |
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[28468] | 51 | # Do the following here so it doesn't keep checking (within the util.pm method)
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| 52 | # whether it needs to create the directory or not
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| 53 | my $tmp_dir = &util::get_collectlevel_tmp_dir();
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| 54 | $self->{'tmp_dir'} = $tmp_dir;
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[28410] | 55 |
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[28468] | 56 |
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| 57 | my $xslt_file_in = "gsdom2rdf.xsl";
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| 58 |
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| 59 | my $xslt_filename_in = &util::locate_config_file($xslt_file_in);
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| 60 | if (!defined $xslt_filename_in) {
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| 61 | print STDERR "Can not find $xslt_file_in, please make sure you have supplied the correct file path\n";
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[28410] | 62 | die "\n";
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| 63 | }
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| 64 |
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[28468] | 65 | my $xslt_filename_out = &FileUtils::filenameConcatenate($tmp_dir,$xslt_file_in);
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[28410] | 66 |
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[28468] | 67 | my $collection = $self->{'collection'};
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[28410] | 68 |
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[28468] | 69 | my $url_prefix = &util::get_full_greenstone_url_prefix();
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| 70 |
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| 71 | my $property_hashmap = { 'libraryurl' => $url_prefix,
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| 72 | 'collect' => $collection };
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| 73 |
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| 74 | file_copy_with_property_sub($xslt_filename_in,$xslt_filename_out,$property_hashmap);
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| 75 |
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| 76 | $self->{'xslt_file'} = $xslt_file_in;
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| 77 | $self->{'xslt_filename'} = $xslt_filename_out;
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| 78 |
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[28391] | 79 | return bless $self, $class;
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| 80 | }
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| 81 |
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| 82 |
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[28468] | 83 | sub property_lookup
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| 84 | {
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| 85 | my ($hashmap,$value) = @_;
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| 86 |
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| 87 | print STDERR "*** checking value = '$value'\n";
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[28392] | 88 |
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[28468] | 89 | print STDERR "*** lookup = ", $hashmap->{$value}, "\n";
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[28392] | 90 |
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[28468] | 91 | my $lookup = (defined $hashmap->{$value}) ? $hashmap->{$value} : "\@$value\@";
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| 92 |
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| 93 | return $lookup;
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| 94 | }
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| 95 |
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| 96 |
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| 97 | # Performs a text file copy, substituding substings of the form
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| 98 | # @xxx@ in the input file with the values set in hashmap
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| 99 | # passed in
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| 100 |
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| 101 | sub file_copy_with_property_sub
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| 102 | {
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| 103 | my ($filename_in,$filename_out,$property_hashmap) = @_;
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| 104 |
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| 105 | if (!open(FIN, "<$filename_in")) {
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| 106 | print STDERR "util::file_substitute_at_properteis failed to open $filename_in\n $!\n";
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| 107 | return;
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| 108 | }
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| 109 | binmode(FIN,":utf8");
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| 110 |
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| 111 | if (!open(FOUT, ">$filename_out")) {
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| 112 | print STDERR "util::file_substitute_at_properteis failed to open $filename_out\n $!\n";
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| 113 | return;
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| 114 | }
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| 115 | binmode(FOUT,":utf8");
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| 116 |
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| 117 | my $line;
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| 118 | while (defined($line = <FIN>)) {
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| 119 |
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| 120 | $line =~ s/\@([^@ ]+)\@/&property_lookup($property_hashmap,$1)/ige;
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| 121 |
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| 122 | print FOUT $line;
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| 123 | }
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| 124 |
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| 125 | close(FIN);
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| 126 | close(FOUT);
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| 127 | }
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| 128 |
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| 129 |
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[28410] | 130 | sub open_xslt_pipe
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| 131 | {
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| 132 | my $self = shift @_;
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| 133 | my ($output_file_name, $xslt_file)=@_;
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| 134 |
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| 135 | return unless defined $xslt_file and $xslt_file ne "" and &FileUtils::fileExists($xslt_file);
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| 136 |
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| 137 | my $apply_xslt_jar = &FileUtils::javaFilenameConcatenate($ENV{'GSDLHOME'},"bin","java","ApplyXSLT.jar");
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| 138 | my $xalan_jar = &FileUtils::javaFilenameConcatenate($ENV{'GSDLHOME'},"bin","java","xalan.jar");
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| 139 |
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| 140 | my $java_class_path = &util::javapathname_cat($apply_xslt_jar,$xalan_jar);
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| 141 |
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| 142 | $xslt_file = &util::makeFilenameJavaCygwinCompatible($xslt_file);
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| 143 |
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| 144 | my $mapping_file_path = "";
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| 145 |
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| 146 | my $cmd = "| java -cp \"$java_class_path\" org.nzdl.gsdl.ApplyXSLT -t \"$xslt_file\" ";
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| 147 |
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[28468] | 148 |
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[28410] | 149 | if (defined $self->{'mapping_file'} and $self->{'mapping_file'} ne ""){
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| 150 | my $mapping_file_path = "\"".$self->{'mapping_file'}."\"";
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| 151 | $cmd .= "-m $mapping_file_path";
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| 152 | }
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| 153 |
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| 154 | open(*XMLWRITER, $cmd)
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| 155 | or die "can't open pipe to xslt: $!";
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| 156 |
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| 157 | $self->{'xslt_writer'} = *XMLWRITER;
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| 158 |
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| 159 | print XMLWRITER "<?DocStart?>\n";
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| 160 | print XMLWRITER "$output_file_name\n";
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| 161 |
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| 162 | }
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| 163 |
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| 164 |
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| 165 | sub close_xslt_pipe
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| 166 | {
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| 167 | my $self = shift @_;
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| 168 |
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| 169 |
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| 170 | return unless defined $self->{'xslt_writer'} ;
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| 171 |
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| 172 | my $xsltwriter = $self->{'xslt_writer'};
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| 173 |
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| 174 | print $xsltwriter "<?DocEnd?>\n";
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| 175 | close($xsltwriter);
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| 176 |
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| 177 | undef $self->{'xslt_writer'};
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| 178 |
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| 179 | }
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| 180 |
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| 181 |
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[28391] | 182 | sub textedit {
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| 183 | my $self = shift (@_);
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[28392] | 184 | my ($doc_obj) = @_;
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| 185 | my $handle = $self->{'output_handle'};
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| 186 |
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| 187 | my $doc_oid = $doc_obj->get_OID();
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| 188 |
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[28410] | 189 | my $tmp_dir = $self->{'tmp_dir'};
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[28468] | 190 | my $tmp_doc_filename = &FileUtils::filenameConcatenate($tmp_dir,"doc-$doc_oid.ttl");
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| 191 | my $tmp_doc_filename_cc = &util::makeFilenameJavaCygwinCompatible($tmp_doc_filename);
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[28410] | 192 |
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| 193 | my $xslt_filename = $self->{'xslt_filename'};
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[28468] | 194 | $self->open_xslt_pipe($tmp_doc_filename_cc, $xslt_filename); # stops with error if not able to open pipe
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[28410] | 195 |
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| 196 | my $outhandler = $self->{'xslt_writer'};
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| 197 | binmode($outhandler,":utf8");
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| 198 |
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| 199 | my $section_text = &docprint::get_section_xml($doc_obj,$doc_obj->get_top_section());
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| 200 | print $outhandler $section_text;
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| 201 |
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| 202 | $self->close_xslt_pipe();
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| 203 |
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| 204 | # now feed to generated file to jena's (TDB) tripple store
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| 205 |
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[28468] | 206 | my $outhandle = $self->{'outhandle'};
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| 207 | print $outhandle " Inserting tripples for $doc_oid\n";
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[28410] | 208 |
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[28468] | 209 | my $collection = $self->{'collection'};
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[28410] | 210 |
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[28468] | 211 | if (-f $tmp_doc_filename) {
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[28410] | 212 |
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[28468] | 213 | my $cmd = "gs-triplestore-add $collection \"$tmp_doc_filename\"";
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| 214 |
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| 215 | my $status = system($cmd);
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| 216 | if ($status != 0) {
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| 217 | print STDERR "Error: failed to run:\n $cmd\n$!\n";
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[28392] | 218 | }
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| 219 |
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[28468] | 220 | unlink $tmp_doc_filename;
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[28392] | 221 | }
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[28468] | 222 | else {
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| 223 | print STDERR "*** Failed to generate: $tmp_doc_filename\n";
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| 224 | }
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[28392] | 225 |
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| 226 | }
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| 227 |
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| 228 |
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[28391] | 229 | sub text {
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| 230 | my $self = shift (@_);
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| 231 | my ($doc_obj,$file) = @_;
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| 232 |
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| 233 | $self->textedit($doc_obj,$file,"add");
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| 234 | }
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| 235 |
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| 236 | sub textreindex
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| 237 | {
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| 238 | my $self = shift @_;
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| 239 | my ($doc_obj,$file) = @_;
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| 240 |
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| 241 | $self->textedit($doc_obj,$file,"update");
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| 242 | }
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| 243 |
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| 244 | sub textdelete
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| 245 | {
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| 246 | my $self = shift @_;
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| 247 |
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| 248 | my ($doc_obj,$file) = @_;
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| 249 |
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| 250 | print STDERR "Warning: jenaTDB command-line does not currently support delete operation\n";
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| 251 |
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| 252 | # $self->textedit($doc_obj,$file,"delete");
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| 253 | }
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| 254 |
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| 255 |
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| 256 |
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| 257 |
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| 258 |
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| 259 | 1;
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