source: main/trunk/greenstone2/perllib/plugouts/FedoraMETSPlugout.pm@ 23824

Last change on this file since 23824 was 22465, checked in by ak19, 14 years ago

Improved checking of environment variables for Fedora values in BEGIN block

File size: 22.9 KB
Line 
1###########################################################################
2#
3# FedoraMETSPlugout.pm -- the plugout module for METS archives
4# A component of the Greenstone digital library software
5# from the New Zealand Digital Library Project at the
6# University of Waikato, New Zealand.
7#
8# Copyright (C) 2006 New Zealand Digital Library Project
9#
10# This program is free software; you can redistribute it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 2 of the License, or
13# (at your option) any later version.
14#
15# This program is distributed in the hope that it will be useful,
16# But WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18# GNU General Public License for more details.
19#
20# You should have received a copy of the GNU General Public License
21# along with this program; if not, write to the Free Software
22# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23#
24###########################################################################
25
26package FedoraMETSPlugout;
27
28use strict;
29no strict 'refs';
30
31#eval {require bytes};
32#use util;
33use METSPlugout;
34#use docprint; # for escape_text
35
36sub BEGIN {
37 @FedoraMETSPlugout::ISA = ('METSPlugout');
38
39 if ((!defined $ENV{'FEDORA_HOME'}) || (!defined $ENV{'FEDORA_VERSION'})) {
40 if (defined $ENV{'FEDORA_HOME'}) {
41 print STDERR "FEDORA_HOME = $ENV{'FEDORA_HOME'}";
42 }
43
44 if (defined $ENV{'FEDORA_VERSION'}) {
45 print STDERR "FEDORA_VERSION = $ENV{'FEDORA_VERSION'}";
46 }
47
48 die "Need both environment variables FEDORA_HOME and FEDORA_VERSION to be set\n";
49 }
50
51 $ENV{'FEDORA_HOSTNAME'} = "localhost" if (!defined $ENV{'FEDORA_HOSTNAME'});
52 $ENV{'FEDORA_SERVER_PORT'} = "8080" if (!defined $ENV{'FEDORA_SERVER_PORT'});
53 $ENV{'FEDORA_USER'} = "fedoraAdmin" if (!defined $ENV{'FEDORA_USER'});
54 $ENV{'FEDORA_PASS'} = "fedoraAdmin" if (!defined $ENV{'FEDORA_PASS'});
55 $ENV{'FEDORA_PROTOCOL'} = "http" if (!defined $ENV{'FEDORA_PROTOCOL'});
56 $ENV{'FEDORA_PID_NAMESPACE'} = "greenstone" if (!defined $ENV{'FEDORA_PID_NAMESPACE'});
57 $ENV{'FEDORA_PREFIX'} = "/fedora" if (!defined $ENV{'FEDORA_PREFIX'});
58}
59
60my $arguments = [
61 { 'name' => "fedora_namespace",
62 'desc' => "{FedoraMETSPlugout.fedora_namespace}",
63 'type' => "string",
64 'deft' => "greenstone",
65 'reqd' => "no",
66 'hiddengli' => "no"}
67 ];
68
69
70
71my $options = { 'name' => "FedoraMETSPlugout",
72 'desc' => "{FedoraMETSPlugout.desc}",
73 'abstract' => "no",
74 'inherits' => "yes",
75 'args' => $arguments
76 };
77
78
79sub new
80{
81 my ($class) = shift (@_);
82 my ($plugoutlist, $inputargs,$hashArgOptLists) = @_;
83 push(@$plugoutlist, $class);
84
85
86 push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
87 push(@{$hashArgOptLists->{"OptList"}},$options);
88
89 my $self = new METSPlugout($plugoutlist,$inputargs,$hashArgOptLists);
90
91 return bless $self, $class;
92}
93
94
95sub output_mets_xml_header
96{
97 my $self = shift(@_);
98 my ($handle, $OID, $doc_title) = @_;
99
100 my $fnamespace = $self->{'fedora_namespace'};
101 my $oid_namespace = (defined $fnamespace) ? $fnamespace : "test";
102
103 my $collection = $ENV{'GSDLCOLLECTION'};
104
105 # Might need the following in the schemeLocation attribute for Fedora3
106 # http://www.fedora.info/definitions/1/0/mets-fedora-ext1-1.xsd
107 my $extra_attr = "OBJID=\"$oid_namespace:$collection-$OID\" TYPE=\"FedoraObject\" LABEL=\"$doc_title\"";
108
109 my $extra_schema = undef;
110
111 if (defined $ENV{'FEDORA_VERSION'} && $ENV{'FEDORA_VERSION'} =~ m/^2/) { # checking if major version is 2
112 $extra_schema = "http://www.fedora.info/definitions/1/0/mets-fedora-ext.xsd";
113 }
114 else {
115 $extra_attr .= " EXT_VERSION=\"1.1\"";
116 }
117
118 $self->output_mets_xml_header_extra_attribute($handle,$extra_attr,$extra_schema);
119
120 print $handle '<mets:metsHdr RECORDSTATUS="A"/>'. "\n"; # A = active
121
122}
123
124#
125# Print out "family" of doctxt.xml files
126#
127
128sub saveas_doctxt_section
129{
130 my $self = shift (@_);
131 my ($doc_obj,$working_dir,$section) = @_;
132
133 my $section_ptr=$doc_obj->_lookup_section($section);
134 return unless defined $section_ptr;
135
136 my $section_fnum ="1". $section;
137 $section_fnum =~ s/\./_/g;
138
139 my $doc_txt_file = &util::filename_cat ($working_dir,"doctxt$section_fnum.xml");
140
141 $self->open_xslt_pipe($doc_txt_file,$self->{'xslt_txt'});
142
143 my $outhandler;
144
145 if (defined $self->{'xslt_writer'}){
146 $outhandler = $self->{'xslt_writer'};
147 }
148 else{
149 $outhandler = $self->get_output_handler($doc_txt_file);
150 }
151
152 $self->output_xml_header($outhandler);
153
154 ## change links to be Fedora cognant:
155 my $txt = $section_ptr->{'text'};
156 $section_ptr->{'text'} = $self->adjust_links($doc_obj, \$txt);
157
158 $self->output_txt_section($outhandler,$doc_obj, $section);
159 $self->output_xml_footer($outhandler);
160
161
162 if (defined $self->{'xslt_writer'}){
163 $self->close_xslt_pipe();
164 }
165 else{
166 close($outhandler);
167 }
168
169
170 # Output all the subsections as separate files
171 foreach my $subsection (@{$section_ptr->{'subsection_order'}}){
172
173 $self->saveas_doctxt_section($doc_obj, $working_dir, "$section.$subsection");
174 }
175}
176
177sub adjust_links
178{
179 my $self = shift(@_);
180 my ($doc_obj, $textref) = @_;
181
182 ## change links to be Fedora cognant:
183 # 1. retrieve txt of section - $$textref
184 # 2. change it:
185 # /$ENV{'FEDORA_PREFIX'}/objects/$greenstone-docobj-hash-xxx/datastreams/FG<orig-img-name>/content
186 # 3. only replace it back in doc_obj if we didn't get a ref in the first place
187
188 my $OID = $doc_obj->get_OID();
189 my $fnamespace = $self->{'fedora_namespace'};
190 if($OID ne "collection" && defined $fnamespace) {
191 my $fed_id = "$fnamespace:".$ENV{'GSDLCOLLECTION'}."-$OID"; #oid_namespace:collection-OID
192 my $fedora_url_prefix = $ENV{'FEDORA_PREFIX'}."/objects/$fed_id/datastreams/FG";
193 my $fedora_url_suffix = "/content";
194
195 $$textref =~ s/(<(?:img|embed|table|tr|td|link|script)[^>]*?(?:src|background|href)\s*=\s*)((?:[\"][^\"]+[\"])|(?:[\'][^\']+[\'])|(?:[^\s\/>]+))([^>]*>)/$self->replace_rel_link($1, $2, $3, $fedora_url_prefix, $fedora_url_suffix)/isge;
196# print STDERR "*** all text after: $$textref\n\n";
197 }
198
199 return $$textref;
200}
201
202# replace relative link with the prefix and suffix given
203sub replace_rel_link
204{
205 my $self = shift (@_);
206 my ($front, $link, $back, $url_prefix, $url_suffix) = @_;
207
208 # only process relative links. Return if absolute link
209 if($link =~ m/^http/) {
210 return "$front$link$back";
211 }
212
213 # remove quotes from link at start and end if necessary
214 if ($link=~/^[\"\']/) {
215 $link=~s/^[\"\']//;
216 $link=~s/[\"\']$//;
217 $front.='"';
218 $back="\"$back";
219 }
220
221 # remove any _httpdocimg_/ that greenstone may have prefixed to the image
222 $link =~ s/^_httpdocimg_(?:\/|\\)//;
223
224 return "$front$url_prefix$link$url_suffix$back";
225}
226
227
228sub saveas_doctxt
229{
230 my $self = shift (@_);
231 my ($doc_obj,$working_dir) = @_;
232
233 my $section = $doc_obj->get_top_section();
234
235 $self->saveas_doctxt_section($doc_obj,$working_dir,$section);
236
237 $self->saveas_toc($doc_obj,$working_dir);
238}
239
240sub buffer_toc
241{
242 my $self = shift (@_);
243 my ($doc_obj,$working_dir,$section,$depth) = @_;
244
245 my $section_ptr=$doc_obj->_lookup_section($section);
246 return "" unless defined $section_ptr;
247
248 my $all_text = "";
249
250 my $section_num ="1". $section;
251 my $indent = " " x ($depth*2);
252
253 $all_text .= "$indent<Section id=\"$section_num\">\n";
254
255 # Output all the subsections as separate files
256 foreach my $subsection (@{$section_ptr->{'subsection_order'}})
257 {
258 $all_text
259 .= $self->buffer_toc($doc_obj, $working_dir,
260 "$section.$subsection",$depth+1);
261 }
262
263 $all_text .= "$indent</Section>\n";
264
265 return $all_text;
266}
267
268
269sub saveas_toc
270{
271 my $self = shift (@_);
272 my ($doc_obj,$working_dir) = @_;
273
274 my $section = $doc_obj->get_top_section();
275 my $section_ptr=$doc_obj->_lookup_section($section);
276 my $num_subsections = scalar(@{$section_ptr->{'subsection_order'}});
277
278 # If num_subsections is 0, then there is no nested TOC
279
280 if ($num_subsections>0) {
281
282 my $doc_txt_file = &util::filename_cat ($working_dir,"doctoc.xml");
283
284 $self->open_xslt_pipe($doc_txt_file,$self->{'xslt_txt'});
285
286 my $outhandler;
287
288 if (defined $self->{'xslt_writer'}){
289 $outhandler = $self->{'xslt_writer'};
290 }
291 else{
292 $outhandler = $self->get_output_handler($doc_txt_file);
293 }
294 print $outhandler $self->buffer_toc($doc_obj, $working_dir, $section, 0);
295
296 if (defined $self->{'xslt_writer'}){
297 $self->close_xslt_pipe();
298 }
299 else{
300 close($outhandler);
301 }
302 }
303
304}
305
306
307sub buffer_mets_relsext_xml
308{
309 my $self = shift(@_);
310 my ($doc_obj) = @_;
311
312 my $OID = $doc_obj->get_OID();
313
314 my $fnamespace = $self->{'fedora_namespace'};
315 my $oid_namespace = (defined $fnamespace) ? $fnamespace : "test";
316 my $collection = $ENV{'GSDLCOLLECTION'};
317
318 my $fed_id = "$oid_namespace:$collection-$OID";
319
320 my $all_text = "";
321
322 my $top_section = $doc_obj->get_top_section();
323 my $plugin_type = $doc_obj->get_metadata_element($top_section,"Plugin");
324
325# Images do not get ingested into Fedora when on Linux if the following is included
326# Needs more investigation, since we'd like a working version of the following
327# in order to get thumbnails working and other stuff.
328# if ((defined $plugin_type) && ($plugin_type eq "ImagePlugin"))
329# {
330#
331# $all_text .= "<mets:amdSec ID=\"RELS-EXT\">\n";
332# $all_text .= " <mets:techMD ID=\"RELS-EXT1.0\" STATUS=\"A\">\n";
333# $all_text .= " <mets:mdWrap LABEL=\"RELS-EXT - RDF formatted relationship metadata\" MDTYPE=\"OTHER\" MIMETYPE=\"text/xml\">\n";
334# $all_text .= " <mets:xmlData>\n";
335# $all_text .= " <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" xmlns:fedora-model=\"info:fedora/fedora-system:def/model#\">\n";
336# $all_text .= " <rdf:Description rdf:about=\"info:fedora/$fed_id\">\n";
337# $all_text .= " <fedora-model:hasContentModel rdf:resource=\"info:fedora/demo:UVA_STD_IMAGE\"/>\n";
338# $all_text .= " </rdf:Description>\n";
339# $all_text .= " </rdf:RDF>\n";
340# $all_text .= " </mets:xmlData>\n";
341# $all_text .= " </mets:mdWrap>\n";
342# $all_text .= " </mets:techMD>\n";
343# $all_text .= "</mets:amdSec>\n";
344# }
345
346 return $all_text;
347}
348
349
350#
351# Print out docmets.xml file
352#
353sub output_mets_section
354{
355 my $self = shift(@_);
356 my ($handle, $doc_obj, $section, $working_dir) = @_;
357
358 # print out the dmdSection
359 print $handle $self->buffer_mets_dmdSection_section_xml($doc_obj,$section);
360
361 print $handle $self->buffer_mets_relsext_xml($doc_obj);
362
363 print $handle "<mets:fileSec>\n";
364 print $handle " <mets:fileGrp ID=\"DATASTREAMS\">\n";
365
366 # Generate Filestream for Table of Contents (TOC)
367 my $section_ptr=$doc_obj->_lookup_section($section);
368 my $num_subsections = scalar(@{$section_ptr->{'subsection_order'}});
369
370 # If num_subsections is 0, then there is no nested TOC
371
372 if ($num_subsections>0) {
373 print $handle $self->buffer_mets_fileSection_toc($doc_obj,$section,$working_dir);
374 }
375
376 # print out the fileSection by sections
377 print $handle $self->buffer_mets_fileSection_section_xml($doc_obj,$section,$working_dir);
378
379 # print out the whole fileSection
380 print $handle $self->buffer_mets_fileWhole_section_xml($doc_obj,$section,$working_dir);
381
382 print $handle " </mets:fileGrp>\n";
383 print $handle "</mets:fileSec>\n";
384
385 # print out the StructMapSection by sections
386
387 my $struct_type = "fedora:dsBindingMap";
388
389 # If document is going to make use of deminators (BMech and BDef) then
390 # need to code up more output XML here (structMap)and in
391 # METS:behaviorSec (Fedora extension?) sections
392
393}
394
395sub buffer_mets_amdSec_header
396{
397 my $self = shift(@_);
398 my ($section,$id) = @_;
399
400 # convert section number
401 my $section_num ="1". $section;
402
403 my $all_text = "";
404
405 my $label_attr = "";
406
407 $all_text .= "<mets:amdSec ID=\"$id$section\" >\n";
408 $all_text .= " <mets:techMD ID=\"$id$section.0\">\n"; # .0 fedora version number?
409
410 $label_attr = "LABEL=\"Metadata\"";
411
412 $all_text .= " <mets:mdWrap $label_attr MDTYPE=\"OTHER\" OTHERMDTYPE=\"gsdl3\" ID=\"".$id."gsdl$section_num\">\n";
413 $all_text .= " <mets:xmlData>\n";
414
415 return $all_text;
416
417}
418
419sub buffer_mets_amdSec_footer
420{
421 my $self = shift(@_);
422
423 my $all_text = "";
424
425 $all_text .= " </mets:xmlData>\n";
426 $all_text .= " </mets:mdWrap>\n";
427
428 $all_text .= " </mets:techMD>\n";
429 $all_text .= "</mets:amdSec>\n";
430
431 return $all_text;
432
433}
434
435sub oai_dc_metadata_xml
436{
437 my $self = shift(@_);
438 my ($doc_obj,$section) = @_;
439
440 my $all_text = "";
441
442 my $dc_namespace = "";
443 $dc_namespace .= "xmlns:dc=\"http://purl.org/dc/elements/1.1/\"";
444 $dc_namespace .= " xmlns:oai_dc=\"http://www.openarchives.org/OAI/2.0/oai_dc/\" ";
445
446 $all_text .= " <oai_dc:dc $dc_namespace>\n";
447
448 $all_text .= $self->get_dc_metadata($doc_obj, $section,"oai_dc");
449 $all_text .= " </oai_dc:dc>\n";
450
451 return $all_text;
452}
453
454
455
456
457
458# Work out the what the metadata set prefixes (dc,dls etc.) are for
459# this document
460
461sub metadata_set_prefixes
462{
463 my $self = shift(@_);
464 my ($doc_obj, $section) = @_;
465
466 $section="" unless defined $section;
467
468 my $section_ptr = $doc_obj->_lookup_section($section);
469 return {} unless defined $section_ptr;
470
471 my $unique_prefix = {};
472
473 foreach my $data (@{$section_ptr->{'metadata'}})
474 {
475 my ($prefix) = ($data->[0]=~ m/^(.*?)\./);
476
477 if (defined $prefix)
478 {
479 next if ($prefix eq "dc"); # skip dublin core as handled separately elsewhere
480
481 $unique_prefix->{$prefix} = 1;
482 }
483 else
484 {
485 $unique_prefix->{"ex"} = 1;
486 }
487
488 }
489
490 return $unique_prefix;
491}
492
493
494sub mds_metadata_xml
495{
496 my $self = shift(@_);
497 my ($doc_obj, $section, $mds_prefix, $namespace) = @_;
498
499 # build up string of metadata with $mds_prefix
500 $section="" unless defined $section;
501
502 my $section_ptr = $doc_obj->_lookup_section($section);
503 return "" unless defined $section_ptr;
504
505 my $all_text="";
506 $all_text .= " <$mds_prefix:$mds_prefix $namespace>\n";
507
508
509 foreach my $data (@{$section_ptr->{'metadata'}})
510 {
511 if ($data->[0]=~ m/^(?:(.*?)\.)?(.*)$/)
512 {
513 my $curr_mds_prefix = $1;
514 my $mds_full_element = $2;
515
516 $curr_mds_prefix = "ex" unless defined $curr_mds_prefix;
517
518 if ($curr_mds_prefix eq $mds_prefix)
519 {
520 # split up full element in the form Title^en into element=Title, attr="en"
521 my ($mds_element,$subelem) = ($mds_full_element =~ m/^(.*?)(?:\^(.*))?$/);
522 my $mds_attr = (defined $subelem) ? "qualifier=\"$subelem\"" : "";
523
524 my $escaped_value = &docprint::escape_text($data->[1]);
525
526 $all_text .= " <$mds_prefix:metadata name=\"$mds_element\" $mds_attr>$escaped_value</$mds_prefix:metadata>\n";
527 }
528 }
529 }
530
531 $all_text .= " </$mds_prefix:$mds_prefix>\n";
532
533
534 $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
535
536 return $all_text;
537}
538
539
540
541sub buffer_mets_dmdSection_section_xml
542{
543 my $self = shift(@_);
544 my ($doc_obj,$section) = @_;
545
546 $section="" unless defined $section;
547
548 my $section_ptr=$doc_obj->_lookup_section($section);
549 return "" unless defined $section_ptr;
550
551 my $all_text = "";
552
553 $all_text .= $self->buffer_mets_amdSec_header($section,"DC");
554 $all_text .= $self->oai_dc_metadata_xml($doc_obj,$section);
555 $all_text .= $self->buffer_mets_amdSec_footer($section);
556
557 # for each metadata set
558 my $md_sets = $self->metadata_set_prefixes($doc_obj,$section);
559
560 foreach my $md_set (keys %$md_sets)
561 {
562 # Greenstone's agnostic approach to metadata sets conflicts with
563 # Fedoras more clinically prescribed one. Fake a namespace for
564 # each $md_set to keep both sides happy
565
566 my $fake_namespace
567 = "xmlns:$md_set=\"http://www.greenstone.org/namespace/fake/$md_set\"";
568 my $id_caps = $md_set;
569 $id_caps =~ tr/[a-z]/[A-Z]/;
570
571 $all_text .= $self->buffer_mets_amdSec_header($section,$id_caps);
572 $all_text .= $self->mds_metadata_xml($doc_obj,$section,$md_set,$fake_namespace);
573 $all_text .= $self->buffer_mets_amdSec_footer($section);
574 }
575
576
577 foreach my $subsection (@{$section_ptr->{'subsection_order'}}){
578 $all_text .= $self->buffer_mets_dmdSection_section_xml($doc_obj,"$section.$subsection");
579 }
580
581 $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
582
583 return $all_text;
584}
585
586
587sub doctxt_to_xlink
588{
589 my $self = shift @_;
590 my ($fname,$working_dir) = @_;
591
592 my $xlink_href;
593
594 my $fedora_prefix = $ENV{'FEDORA_HOME'};
595 if (!defined $fedora_prefix) {
596 $xlink_href = "file:$fname";
597 }
598 else
599 {
600 my $collectparent;
601 if (defined $ENV{'GSDL3SRCHOME'}) { # we're dealing with a GS3 server
602 if(defined $ENV{'GSDL3HOME'}) { # in case the web directory is located in a separate place
603 $collectparent = &util::filename_cat($ENV{'GSDL3HOME'},"sites","localsite");
604 }
605 else { # try the default location for the web directory
606 $collectparent = &util::filename_cat($ENV{'GSDL3SRCHOME'},"web","sites","localsite");
607 }
608 }
609 else {
610 # greenstone 2
611 $collectparent = $ENV{'GSDLHOME'};
612 }
613
614 my $gsdl_href = &util::filename_cat($working_dir, $fname);
615 $collectparent =~ s/\\/\\\\/g; # escape reserved metacharacter \ in path (by replacing it with \\) for substitution
616 $gsdl_href =~ s/^$collectparent(\/|\\)?//; # remove the collectparent path in gsdl_href and any trailing slash
617 $gsdl_href =~ s/\\/\//g; # make sure we have url paths (which only use / not \)
618 my $localfedora = &util::filename_cat($ENV{'GSDL3SRCHOME'}, "packages", "tomcat", "conf", "Catalina", "localhost", "fedora.xml");
619
620 my $greenstone_url_prefix = &util::get_greenstone_url_prefix();
621 # prepend url_prefix (which will contain the forward slash upfront)
622 if($ENV{'GSDL3SRCHOME'} && -e $localfedora) { # Fedora uses Greenstone's tomcat.
623 $gsdl_href = "$greenstone_url_prefix/sites/localsite/$gsdl_href"; # Default: /greenstone3/sites/localsite/$gsdl_href
624 } else {
625 $gsdl_href = "$greenstone_url_prefix/$gsdl_href"; # By default: "/greenstone/$gsdl_href";
626 }
627
628 my $fserver = $ENV{'FEDORA_HOSTNAME'};
629 my $fport = $ENV{'FEDORA_SERVER_PORT'};
630
631 my $fdomain = "http://$fserver:$fport";
632 $xlink_href = "$fdomain$gsdl_href";
633#ERROR: $xlink_href = "$fname";
634 }
635
636 return $xlink_href;
637
638}
639
640
641sub buffer_mets_fileSection_toc
642{
643 my $self = shift(@_);
644 my ($doc_obj,$section,$working_dir) = @_;
645
646 my $opt_attr = "OWNERID=\"M\"";
647
648 my $all_text = ' <mets:fileGrp ID="TOC">'. "\n";
649 $all_text .= " <mets:file MIMETYPE=\"text/xml\" ID=\"FILETOC\" $opt_attr >\n";
650 my $xlink = $self->doctxt_to_xlink("doctoc.xml",$working_dir);
651
652 $all_text .= ' <mets:FLocat LOCTYPE="URL" xlink:href="'.$xlink.'"';
653
654 $all_text .= ' xlink:title="Table of Contents"/>' . "\n";
655 $all_text .= " </mets:file>\n";
656 $all_text .= " </mets:fileGrp>\n";
657
658 return $all_text;
659}
660
661
662sub buffer_mets_fileSection_section_xml
663{
664 my $self = shift(@_);
665 my ($doc_obj,$section,$working_dir) = @_;
666
667 my $is_txt_split = 1;
668 my $opt_owner_id = "OWNERID=\"M\"";
669
670 my $all_text
671 = $self->SUPER::buffer_mets_fileSection_section_xml($doc_obj,$section,$working_dir,$is_txt_split, $opt_owner_id,"SECTION");
672
673
674 return $all_text;
675}
676
677sub buffer_mets_fileWhole_section_xml
678{
679 my $self = shift(@_);
680 my ($doc_obj,$section,$working_dir) = @_;
681
682 my $section_ptr = $doc_obj-> _lookup_section($section);
683 return "" unless defined $section_ptr;
684
685 my $all_text="";
686
687 my $fileID=0;
688
689 # Output the fileSection for the whole section
690 # => get the sourcefile and associative file
691
692 my $id_root = "";
693 my $opt_owner_id = "OWNERID=\"M\"";
694
695
696 foreach my $data (@{$section_ptr->{'metadata'}}){
697 my $escaped_value = &docprint::escape_text($data->[1]);
698
699 if ($data->[0] eq "gsdlassocfile"){
700
701 $escaped_value =~ m/^(.*?):(.*):(.*)$/;
702 my $assoc_file = $1;
703 my $mime_type = $2;
704 my $assoc_dir = $3;
705
706 $id_root = "FG$assoc_file";
707
708 $id_root =~ s/\//_/g;
709 $all_text .= " <mets:fileGrp ID=\"$id_root\">\n";
710
711 # The assoc_file's name may be url-encoded, so the xlink_href in the <mets:FLocat>
712 # element must be the url to this (possibly url-encoded) filename
713 my $assocfile_url = &unicode::filename_to_url($assoc_file);
714 my $assfilePath = ($assoc_dir eq "") ? $assocfile_url : "$assoc_dir/$assocfile_url";
715 ++$fileID;
716
717 my $mime_attr = "MIMETYPE=\"$mime_type\"";
718 my $xlink_title = "xlink:title=\"$assoc_file\"";
719
720 my $id_attr;
721 my $xlink_href;
722
723 $id_attr = "ID=\"F$id_root.0\"";
724
725 my $fedora_prefix = $ENV{'FEDORA_HOME'};
726 if (!defined $fedora_prefix) {
727 $xlink_href = "xlink:href=\"$assfilePath\"";
728 }
729 else
730 {
731 my $collectparent;
732 if (defined $ENV{'GSDL3SRCHOME'}) { # we're dealing with a GS3 server
733 if(defined $ENV{'GSDL3HOME'}) { # in case the web directory is located in a separate place
734 $collectparent = &util::filename_cat($ENV{'GSDL3HOME'},"sites","localsite");
735 }
736 else { # try the default location for the web directory
737 $collectparent = &util::filename_cat($ENV{'GSDL3SRCHOME'},"web","sites","localsite");
738 }
739 }
740 else {
741 # greenstone 2
742 $collectparent = $ENV{'GSDLHOME'};
743 }
744
745 my $gsdl_href = &util::filename_cat($working_dir,$assfilePath);
746 $collectparent =~ s/\\/\\\\/g; # escape reserved metacharacter \ in path (by replacing it with \\) for substitution
747 $gsdl_href =~ s/^$collectparent(\/|\\)?//; # remove the collectparent path in gsdl_href and any trailing slash
748 $gsdl_href =~ s/\\/\//g; # make sure we have url paths (which only use / not \)
749 my $localfedora = &util::filename_cat($ENV{'GSDL3SRCHOME'}, "packages", "tomcat", "conf", "Catalina", "localhost", "fedora.xml");
750
751 my $greenstone_url_prefix = &util::get_greenstone_url_prefix();
752 # prepend url_prefix (which will contain the forward slash upfront)
753 if($ENV{'GSDL3SRCHOME'} && -e $localfedora) { # Fedora uses Greenstone's tomcat.
754 $gsdl_href = "$greenstone_url_prefix/sites/localsite/$gsdl_href"; # Default: /greenstone3/sites/localsite/$gsdl_href
755 } else {
756 $gsdl_href = "$greenstone_url_prefix/$gsdl_href"; # By default: "/greenstone/$gsdl_href";
757 }
758
759 my $fserver = $ENV{'FEDORA_HOSTNAME'};
760 my $fport = $ENV{'FEDORA_SERVER_PORT'};
761
762 my $fdomain = "http://$fserver:$fport";
763 $xlink_href = "xlink:href=\"$fdomain$gsdl_href\"";
764#ERROR: $xlink_href = "xlink:href=\"$assfilePath\"";
765 }
766
767 my $top_section = $doc_obj->get_top_section();
768 my $id = $doc_obj->get_metadata_element($top_section,"Identifier");
769
770### print STDERR "**** mime-type: $mime_attr\n";
771
772 $all_text .= " <mets:file $mime_attr $id_attr $opt_owner_id >\n";
773 $all_text .= " <mets:FLocat LOCTYPE=\"URL\" $xlink_href $xlink_title />\n";
774
775 $all_text .= " </mets:file>\n";
776
777 $all_text .= " </mets:fileGrp>\n";
778 }
779 }
780
781 $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
782
783 return $all_text;
784}
785
786
7871;
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