1 | ###########################################################################
|
---|
2 | #
|
---|
3 | # docsave.pm
|
---|
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) 1999 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 |
|
---|
26 | # This document processor saves a document in the
|
---|
27 | # archives directory of a collection
|
---|
28 |
|
---|
29 | # use with doc.pm rewound to version 1.25
|
---|
30 |
|
---|
31 |
|
---|
32 | package docsave;
|
---|
33 |
|
---|
34 | use arcinfo;
|
---|
35 | use docproc;
|
---|
36 | use util;
|
---|
37 |
|
---|
38 |
|
---|
39 | sub BEGIN {
|
---|
40 | @ISA = ('docproc');
|
---|
41 | }
|
---|
42 |
|
---|
43 | sub new {
|
---|
44 | my ($class, $collection, $archive_info, $verbosity,
|
---|
45 | $gzip, $groupsize, $outhandle) = @_;
|
---|
46 | my $self = new docproc ();
|
---|
47 |
|
---|
48 |
|
---|
49 | $groupsize=1 unless defined $groupsize;
|
---|
50 | $self->{'collection'} = $collection;
|
---|
51 | $self->{'archive_info'} = $archive_info;
|
---|
52 | $self->{'verbosity'} = $verbosity;
|
---|
53 | $self->{'gzip'} = $gzip;
|
---|
54 |
|
---|
55 | $self->{'groupsize'} = $groupsize;
|
---|
56 | $self->{'gs_count'} = 0;
|
---|
57 |
|
---|
58 | $self->{'outhandle'} = STDERR;
|
---|
59 | $self->{'outhandle'} = $outhandle if defined $outhandle;
|
---|
60 |
|
---|
61 | # set a default for the archive directory
|
---|
62 | $self->{'archive_dir'} = &util::filename_cat ($ENV{'GSDLCOLLECTDIR'}, "archives");
|
---|
63 |
|
---|
64 | $self->{'sortmeta'} = undef;
|
---|
65 |
|
---|
66 | if ($groupsize != 1)
|
---|
67 | {
|
---|
68 | print STDERR "Warning: -groupsize not supported in BBC collection\n";
|
---|
69 | print STDERR " documents are automatically grouped by date\n";
|
---|
70 | }
|
---|
71 |
|
---|
72 | return bless $self, $class;
|
---|
73 | }
|
---|
74 |
|
---|
75 | sub setarchivedir {
|
---|
76 | my $self = shift (@_);
|
---|
77 | my ($archive_dir) = @_;
|
---|
78 |
|
---|
79 | $self->{'archive_dir'} = $archive_dir;
|
---|
80 | &util::mk_all_dir ($archive_dir);
|
---|
81 |
|
---|
82 | $self->{'lower_year'} = 1800;
|
---|
83 |
|
---|
84 | my @lt_array =localtime(time);
|
---|
85 | my $lt_year = $lt_array[5];
|
---|
86 | $self->{'upper_year'} = 1900 + $lt_year;
|
---|
87 |
|
---|
88 | print STDERR "*" x 70, "\n";
|
---|
89 | print STDERR "Processing dates between ";
|
---|
90 | print STDERR "$self->{'lower_year'} and $self->{'upper_year'}\n";
|
---|
91 | print STDERR "*" x 70, "\n\n";
|
---|
92 |
|
---|
93 | # set up table of file handles -- one for each year
|
---|
94 | $self->{'date_files'} = [];
|
---|
95 | my $i;
|
---|
96 | for ($i=$self->{'lower_year'}; $i<=$self->{'upper_year'}; $i++)
|
---|
97 | {
|
---|
98 | my $FH = "OUTDATE$i";
|
---|
99 | #print STDERR "****FH = $FH\n";
|
---|
100 | my $date_file = &util::filename_cat($archive_dir, "$i.gml");
|
---|
101 | my $short_date_file = "$i.gml";
|
---|
102 |
|
---|
103 | if (!open ($FH, ">$date_file"))
|
---|
104 | {
|
---|
105 | print STDERR "Warning: ";
|
---|
106 | print STDERR "docsave::new could not write to file $date_file\n";
|
---|
107 | $self->{'date_files'}->[$i-$self->{'lower_year'}] = undef;
|
---|
108 | next;
|
---|
109 | }
|
---|
110 |
|
---|
111 | $self->{'date_files'}->[$i-$self->{'lower_year'}]
|
---|
112 | = { 'short_filename' => $short_date_file,
|
---|
113 | 'long_filename' => $date_file,
|
---|
114 | 'OUTDATE' => $FH };
|
---|
115 | }
|
---|
116 | }
|
---|
117 |
|
---|
118 | sub process {
|
---|
119 | my $self = shift (@_);
|
---|
120 | my ($doc_obj) = @_;
|
---|
121 |
|
---|
122 | my $archive_dir = $self->{'archive_dir'};
|
---|
123 | my $OID = $doc_obj->get_OID();
|
---|
124 | $OID = "NULL" unless defined $OID;
|
---|
125 |
|
---|
126 | if (scalar(@{$doc_obj->get_assoc_files()})>0)
|
---|
127 | {
|
---|
128 | # get the document's directory.
|
---|
129 | my $doc_info = $self->{'archive_info'}->get_info($OID);
|
---|
130 | my $doc_dir = "";
|
---|
131 | if (defined $doc_info && scalar(@$doc_info) >= 1) {
|
---|
132 | # this OID already has an assigned directory, use the
|
---|
133 | # same one.
|
---|
134 | $doc_dir = $doc_info->[0];
|
---|
135 | $doc_dir =~ s/\/?doc\.gml(\.gz)?$//;
|
---|
136 |
|
---|
137 | } else {
|
---|
138 | # have to get a new document directory
|
---|
139 | my $doc_dir_rest = $OID;
|
---|
140 | my $doc_dir_num = 0;
|
---|
141 | do {
|
---|
142 | $doc_dir .= "/" if $doc_dir_num > 0;
|
---|
143 | if ($doc_dir_rest =~ s/^(.{1,8})//) {
|
---|
144 | $doc_dir .= $1;
|
---|
145 | $doc_dir_num++;
|
---|
146 | }
|
---|
147 | } while ($doc_dir_rest ne "" &&
|
---|
148 | ((-d &util::filename_cat ($archive_dir, "$doc_dir.dir")) ||
|
---|
149 | ($self->{'archive_info'}->size() >= 1024 && $doc_dir_num < 2)));
|
---|
150 | $doc_dir .= ".dir";
|
---|
151 | }
|
---|
152 |
|
---|
153 | &util::mk_all_dir ("$archive_dir/$doc_dir");
|
---|
154 |
|
---|
155 | # copy all the associated files, add this information as metadata
|
---|
156 | # to the document
|
---|
157 | my @assoc_files = ();
|
---|
158 | foreach $assoc_file (@{$doc_obj->get_assoc_files()}) {
|
---|
159 | if (-e $assoc_file->[0]) {
|
---|
160 | my $afile = &util::filename_cat($archive_dir, $doc_dir, $assoc_file->[1]);
|
---|
161 | &util::cp ($assoc_file->[0], $afile);
|
---|
162 | $doc_obj->add_metadata ($doc_obj->get_top_section(),
|
---|
163 | "gsdlassocfile",
|
---|
164 | "$assoc_file->[1]:$assoc_file->[2]");
|
---|
165 | } else {
|
---|
166 | print STDERR "docsave::process couldn't copy the associated file " .
|
---|
167 | "$assoc_file->[0] to $afile\n";
|
---|
168 | }
|
---|
169 | }
|
---|
170 | }
|
---|
171 |
|
---|
172 | # save this document to appropriate DATE file
|
---|
173 | my $top_section = $doc_obj->get_top_section();
|
---|
174 | my $date_metadata = $doc_obj->get_metadata_element($top_section, "Date");
|
---|
175 |
|
---|
176 | my ($year) = ($date_metadata =~ m/^(\d{4})/);
|
---|
177 | my $df_index = $year - $self->{'lower_year'};
|
---|
178 |
|
---|
179 | #print STDERR "**** File Year =$df_index\n";
|
---|
180 | if ($df_index<0)
|
---|
181 | {
|
---|
182 | print STDERR "Warning: Year $year is earlier than lower bound.";
|
---|
183 | }
|
---|
184 | elsif (!defined $self->{'date_files'}->[$df_index])
|
---|
185 | {
|
---|
186 | print STDERR "Warning: No file data present for year $year.";
|
---|
187 | }
|
---|
188 | else
|
---|
189 | {
|
---|
190 | my $df_rec = $self->{'date_files'}->[$df_index];
|
---|
191 | my $FH = $df_rec->{'OUTDATE'};
|
---|
192 |
|
---|
193 | $doc_obj->output_section("docsave::".$FH, $top_section);
|
---|
194 | }
|
---|
195 | }
|
---|
196 |
|
---|
197 | sub close_file_output
|
---|
198 | {
|
---|
199 | my ($self) = @_;
|
---|
200 |
|
---|
201 | my $i;
|
---|
202 | for ($i=$self->{'lower_year'}; $i<=$self->{'upper_year'}; $i++)
|
---|
203 | {
|
---|
204 | my $date_rec = $self->{'date_files'}->[$i-$self->{'lower_year'}];
|
---|
205 | close $date_rec->{'OUTDATE'};
|
---|
206 |
|
---|
207 | my $short_doc_file = $date_rec->{'short_filename'};
|
---|
208 | my $doc_file = $date_rec->{'long_filename'};
|
---|
209 |
|
---|
210 | if (-z $doc_file)
|
---|
211 | {
|
---|
212 | &util::rm($doc_file);
|
---|
213 | next;
|
---|
214 | }
|
---|
215 |
|
---|
216 | if ($self->{'gzip'})
|
---|
217 | {
|
---|
218 | my $doc_file = $self->{'gs_filename'};
|
---|
219 | `gzip $doc_file`;
|
---|
220 | $doc_file .= ".gz";
|
---|
221 | $short_doc_file .= ".gz";
|
---|
222 | if (!-e $doc_file)
|
---|
223 | {
|
---|
224 | print STDERR "error while gzipping: $doc_file doesn't exist\n";
|
---|
225 | return 0;
|
---|
226 | }
|
---|
227 | }
|
---|
228 |
|
---|
229 | # store reference in the archive_info
|
---|
230 | $self->{'archive_info'}->add_info("Year_$i", $short_doc_file);
|
---|
231 | }
|
---|
232 |
|
---|
233 | return 1;
|
---|
234 | }
|
---|
235 |
|
---|
236 | 1;
|
---|