1 | ###########################################################################
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2 | #
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3 | # METSPlugout.pm -- the plugout module for METS archives
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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) 2006 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 | package METSPlugout;
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27 |
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28 | use strict;
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29 | no strict 'subs';
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30 | no strict 'refs';
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31 |
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32 | use gsprintf 'gsprintf';
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33 |
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34 | eval {require bytes};
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35 | use util;
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36 | use BasePlugout;
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37 | use docprint; # for escape_text
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38 |
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39 | sub BEGIN {
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40 | @METSPlugout::ISA = ('BasePlugout');
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41 | }
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42 |
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43 | my $arguments = [
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44 | { 'name' => "xslt_txt",
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45 | 'desc' => "{METSPlugout.xslt_txt}",
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46 | 'type' => "string",
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47 | 'reqd' => "no",
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48 | 'hiddengli' => "no"},
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49 | { 'name' => "xslt_mets",
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50 | 'desc' => "{METSPlugout.xslt_mets}",
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51 | 'type' => "string",
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52 | 'reqd' => "no",
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53 | 'hiddengli' => "no"}
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54 | ];
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55 |
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56 | my $options = { 'name' => "METSPlugout",
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57 | 'desc' => "{METSPlugout.desc}",
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58 | 'abstract' => "yes",
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59 | 'inherits' => "yes",
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60 | 'args' => $arguments
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61 | };
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62 |
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63 | sub new {
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64 | my ($class) = shift (@_);
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65 | my ($plugoutlist, $inputargs,$hashArgOptLists) = @_;
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66 | push(@$plugoutlist, $class);
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67 |
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68 |
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69 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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70 | push(@{$hashArgOptLists->{"OptList"}},$options);
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71 |
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72 | my $self = new BasePlugout($plugoutlist,$inputargs,$hashArgOptLists);
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73 | return bless $self, $class;
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74 | }
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75 |
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76 |
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77 | sub saveas_doctxt
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78 | {
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79 | my $self = shift (@_);
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80 | my ($doc_obj,$working_dir) = @_;
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81 |
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82 | my $is_recursive = 1;
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83 |
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84 | my $doc_txt_file = &util::filename_cat ($working_dir,"doctxt.xml");
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85 |
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86 | $self->open_xslt_pipe($doc_txt_file,$self->{'xslt_txt'});
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87 |
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88 | my $outhandler;
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89 |
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90 | if (defined $self->{'xslt_writer'}){
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91 | $outhandler = $self->{'xslt_writer'};
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92 | }
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93 | else{
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94 | $outhandler = $self->get_output_handler($doc_txt_file);
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95 | }
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96 |
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97 | binmode($outhandler,":utf8");
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98 |
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99 | $self->output_xml_header($outhandler);
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100 | my $section = $doc_obj->get_top_section();
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101 | $self->output_txt_section($outhandler,$doc_obj, $section, $is_recursive);
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102 | $self->output_xml_footer($outhandler);
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103 |
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104 |
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105 | if (defined $self->{'xslt_writer'}){
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106 | $self->close_xslt_pipe();
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107 | }
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108 | else{
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109 | close($outhandler);
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110 | }
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111 |
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112 | }
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113 |
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114 | sub saveas_docmets
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115 | {
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116 | my $self = shift (@_);
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117 | my ($doc_obj,$working_dir) = @_;
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118 |
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119 | my $doc_mets_file = &util::filename_cat ($working_dir, "docmets.xml");
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120 |
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121 | my $doc_title = $doc_obj->get_metadata_element($doc_obj->get_top_section(),"dc.Title");
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122 | if (!defined $doc_title) {
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123 | $doc_title = $doc_obj->get_metadata_element($doc_obj->get_top_section(),"Title");
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124 | }
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125 |
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126 | $self->open_xslt_pipe($doc_mets_file,$self->{'xslt_mets'});
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127 |
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128 | my $outhandler;
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129 |
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130 | if (defined $self->{'xslt_writer'}){
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131 | $outhandler = $self->{'xslt_writer'};
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132 | }
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133 | else{
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134 | $outhandler = $self->get_output_handler($doc_mets_file);
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135 | }
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136 |
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137 | binmode($outhandler,":utf8");
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138 |
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139 | $self->output_mets_xml_header($outhandler, $doc_obj->get_OID(), $doc_title);
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140 | $self->output_mets_section($outhandler, $doc_obj, $doc_obj->get_top_section(),$working_dir);
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141 | $self->output_mets_xml_footer($outhandler);
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142 |
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143 | if (defined $self->{'xslt_writer'}){
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144 | $self->close_xslt_pipe();
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145 | }
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146 | else{
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147 | close($outhandler);
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148 | }
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149 |
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150 |
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151 | }
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152 |
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153 | sub saveas
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154 | {
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155 | my $self = shift (@_);
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156 | my ($doc_obj,$doc_dir) = @_;
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157 |
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158 | $self->process_assoc_files ($doc_obj, $doc_dir, '');
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159 |
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160 | $self->process_metafiles_metadata ($doc_obj);
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161 |
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162 | my $output_dir = $self->get_output_dir();
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163 | &util::mk_all_dir ($output_dir) unless -e $output_dir;
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164 |
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165 | my $working_dir = &util::filename_cat ($output_dir, $doc_dir);
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166 |
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167 | &util::mk_all_dir ($working_dir) unless -e $working_dir;
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168 |
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169 | ###
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170 | # Save the text as a filefile
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171 | ###
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172 | $self->saveas_doctxt($doc_obj,$working_dir);
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173 |
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174 | ###
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175 | # Save the structure and metadata as a METS file
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176 | ###
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177 | $self->saveas_docmets($doc_obj,$working_dir);
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178 |
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179 | $self->{'short_doc_file'} = &util::filename_cat ($doc_dir, "docmets.xml");
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180 |
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181 | $self->store_output_info_reference($doc_obj);
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182 |
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183 | }
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184 |
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185 |
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186 | sub output_mets_xml_header
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187 | {
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188 | my $self = shift(@_);
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189 | my ($handle, $OID, $doc_title) = @_;
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190 |
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191 | gsprintf(STDERR, "METSPlugout::output_mets_xml_header {common.must_be_implemented}\n") && die "\n";
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192 | }
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193 |
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194 | sub output_mets_xml_header_extra_attribute
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195 | {
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196 | my $self = shift(@_);
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197 | my ($handle, $extra_attr, $extra_schema) = @_;
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198 |
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199 | print $handle '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' . "\n";
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200 | print $handle '<mets:mets xmlns:mets="http://www.loc.gov/METS/"' . "\n";
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201 | print $handle ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"' . "\n";
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202 | print $handle ' xmlns:gsdl3="http://www.greenstone.org/namespace/gsdlmetadata/1.0/"' . "\n";
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203 | if (defined ($ENV{'FEDORA_VERSION'}) && $ENV{'FEDORA_VERSION'} =~ m/^2/) { # checking if major version is 2
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204 | print $handle ' xmlns:xlink="http://www.w3.org/TR/xlink"' ."\n";
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205 | }
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206 | else {
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207 | print $handle ' xmlns:xlink="http://www.w3.org/1999/xlink"' ."\n";
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208 | }
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209 | print $handle ' xsi:schemaLocation="http://www.loc.gov/METS/' . "\n";
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210 | print $handle ' http://www.loc.gov/standards/mets/mets.xsd' . "\n";
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211 | print $handle " $extra_schema\n" if (defined $extra_schema);
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212 | print $handle ' http://www.greenstone.org/namespace/gsdlmetadata/1.0/' . "\n";
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213 | print $handle ' http://www.greenstone.org/namespace/gsdlmetadata/1.0/gsdl_metadata.xsd"' . "\n";
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214 |
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215 | print $handle " $extra_attr>\n";
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216 |
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217 | }
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218 |
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219 | sub output_mets_xml_footer
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220 | {
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221 | my $self = shift(@_);
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222 | my ($handle) = @_;
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223 | print $handle '</mets:mets>' . "\n";
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224 | }
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225 |
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226 | # print out doctxt.xml file
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227 | sub output_txt_section {
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228 | my $self = shift (@_);
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229 | my ($handle, $doc_obj, $section, $is_recursive) = @_;
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230 |
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231 | print $handle $self->buffer_txt_section_xml($doc_obj, $section, $is_recursive);
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232 | }
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233 |
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234 | sub buffer_txt_section_xml {
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235 | my $self = shift(@_);
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236 | my ($doc_obj, $section, $is_recursive) = @_;
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237 |
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238 | my $section_ptr = $doc_obj->_lookup_section ($section);
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239 |
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240 | return "" unless defined $section_ptr;
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241 |
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242 | my $all_text = "<Section>\n";
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243 | $all_text .= &docprint::escape_text("$section_ptr->{'text'}");
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244 |
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245 | if (defined $is_recursive && $is_recursive)
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246 | {
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247 | # Output all the subsections
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248 | foreach my $subsection (@{$section_ptr->{'subsection_order'}}){
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249 | $all_text .= $self->buffer_txt_section_xml($doc_obj, "$section.$subsection", $is_recursive);
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250 | }
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251 | }
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252 |
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253 | $all_text .= "</Section>\n";
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254 |
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255 |
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256 | $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
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257 | return $all_text;
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258 | }
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259 |
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260 | #
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261 | # Print out docmets.xml file
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262 | #
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263 | sub output_mets_section
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264 | {
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265 | my $self = shift(@_);
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266 | my ($handle, $doc_obj, $section, $working_dir) = @_;
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267 |
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268 | gsprintf(STDERR, "METSPlugout::output_mets_section {common.must_be_implemented}\n") && die "\n";
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269 |
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270 | }
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271 |
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272 |
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273 | sub buffer_mets_dmdSection_section_xml
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274 | {
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275 | my $self = shift(@_);
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276 | my ($doc_obj,$section) = @_;
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277 |
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278 | gsprintf(STDERR, "METSPlugout::buffer_mets_dmdSection_section_xml {common.must_be_implemented}\n") && die "\n";
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279 | }
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280 |
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281 | sub buffer_mets_StructMapSection_section_xml
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282 | {
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283 | my $self = shift(@_);
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284 | my ($doc_obj,$section, $order_numref, $fileid_base) = @_;
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285 |
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286 | $section="" unless defined $section;
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287 |
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288 |
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289 | my $section_ptr=$doc_obj->_lookup_section($section);
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290 | return "" unless defined $section_ptr;
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291 |
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292 | $fileid_base = "FILEGROUP_PRELUDE" unless defined $fileid_base;
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293 |
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294 | # output fileSection by Sections
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295 | my $section_num ="1". $section;
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296 | my $dmd_num = $section_num;
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297 |
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298 | #**output the StructMap details
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299 |
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300 | my $dmdid_attr = "DM$dmd_num";
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301 |
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302 | my $all_text = " <mets:div ID=\"DS$section_num\" TYPE=\"Section\" \n";
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303 | $all_text .= ' ORDER="'.$$order_numref++.'" ORDERLABEL="'. $section_num .'" '."\n";
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304 | $all_text .= " LABEL=\"$section_num\" DMDID=\"$dmdid_attr\">\n";
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305 |
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306 | $all_text .= ' <mets:fptr FILEID="'.$fileid_base.$section_num.'" />'. "\n";
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307 |
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308 |
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309 | foreach my $subsection (@{$section_ptr->{'subsection_order'}}){
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310 | $all_text .= $self->buffer_mets_StructMapSection_section_xml($doc_obj,"$section.$subsection", $order_numref, $fileid_base);
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311 | }
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312 |
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313 | $all_text .= " </mets:div>\n";
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314 |
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315 | $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
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316 |
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317 | return $all_text;
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318 | }
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319 |
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320 |
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321 | sub buffer_mets_StructMapWhole_section_xml
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322 | {
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323 | my $self = shift(@_);
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324 | my ($doc_obj,$section) = @_;
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325 |
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326 | my $section_ptr = $doc_obj->_lookup_section($section);
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327 | return "" unless defined $section_ptr;
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328 |
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329 | my $all_text="";
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330 | my $fileID=0;
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331 | my $order_num = 0;
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332 |
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333 | $all_text .= ' <mets:div ID="DSAll" TYPE="Document" ORDER="'.$order_num.'" ORDERLABEL="All" LABEL="Whole Documemt" DMDID="DM1">' . "\n";
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334 |
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335 | #** output the StructMapSection for the whole section
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336 | # get the sourcefile and associative file
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337 |
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338 | foreach my $data (@{$section_ptr->{'metadata'}}){
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339 | my $escaped_value = &docprint::escape_text($data->[1]);
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340 |
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341 | if ($data->[0] eq "gsdlsourcefilename") {
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342 | ++$fileID;
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343 | $all_text .= ' <mets:fptr FILEID="default.'.$fileID.'" />'."\n";
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344 | }
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345 |
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346 | if ($data->[0] eq "gsdlassocfile"){
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347 | ++$fileID;
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348 | $all_text .= ' <mets:fptr FILEID="default.'.$fileID. '" />'. "\n";
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349 | }
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350 | }
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351 | $all_text .= " </mets:div>\n";
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352 |
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353 | $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
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354 |
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355 | return $all_text;
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356 | }
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357 |
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358 |
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359 |
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360 | sub doctxt_to_xlink
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361 | {
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362 | my $self = shift @_;
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363 | my ($fname,$working_dir) = @_;
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364 |
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365 | gsprintf(STDERR, "METSPlugout::doxtxt_to_xlink {common.must_be_implemented}\n") && die "\n";
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366 | }
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367 |
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368 | sub buffer_mets_fileSection_section_xml
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369 | {
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370 | my $self = shift(@_);
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371 | my ($doc_obj,$section,$working_dir, $is_txt_split,$opt_attr,$fileid_base) = @_;
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372 |
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373 | #$section="" unless defined $section;
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374 |
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375 | my $section_ptr=$doc_obj->_lookup_section($section);
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376 | return "" unless defined $section_ptr;
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377 |
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378 | $fileid_base = "FILEGROUP_PRELUDE" unless defined $fileid_base;
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379 |
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380 | # output fileSection by sections
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381 | my $section_num ="1". $section;
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382 |
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383 | $opt_attr = "" unless defined $opt_attr;
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384 |
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385 | # output the fileSection details
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386 | my $all_text = ' <mets:fileGrp ID="'.$fileid_base.$section_num . '">'. "\n";
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387 | $all_text .= " <mets:file MIMETYPE=\"text/xml\" ID=\"FILE$section_num\" $opt_attr >\n";
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388 |
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389 | my $xlink;
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390 | if (defined $is_txt_split && $is_txt_split)
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391 | {
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392 | my $section_fnum ="1". $section;
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393 | $section_fnum =~ s/\./_/g;
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394 |
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395 | $xlink = $self->doctxt_to_xlink("doctxt$section_fnum.xml",$working_dir);
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396 | }
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397 | else
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398 | {
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399 | $xlink = $self->doctxt_to_xlink("doctxt.xml",$working_dir);
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400 |
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401 | $xlink .= '#xpointer(/Section[';
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402 |
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403 | my $xpath = "1".$section;
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404 | $xpath =~ s/\./\]\/Section\[/g;
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405 |
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406 | $xlink .= $xpath;
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407 |
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408 | $xlink .= ']/text())';
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409 | }
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410 |
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411 |
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412 |
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413 | $all_text .= ' <mets:FLocat LOCTYPE="URL" xlink:href="'.$xlink.'"';
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414 |
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415 | $all_text .= ' xlink:title="Hierarchical Document Structure"/>' . "\n";
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416 | $all_text .= " </mets:file>\n";
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417 | $all_text .= " </mets:fileGrp>\n";
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418 |
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419 |
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420 | foreach my $subsection (@{$section_ptr->{'subsection_order'}}){
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421 | $all_text .= $self->buffer_mets_fileSection_section_xml($doc_obj,"$section.$subsection",$working_dir, $is_txt_split, $opt_attr, $fileid_base);
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422 | }
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423 |
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424 | $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
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425 |
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426 | return $all_text;
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427 | }
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428 |
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429 | sub buffer_mets_fileWhole_section_xml
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430 | {
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431 | my $self = shift(@_);
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432 | my ($doc_obj,$section,$working_dir) = @_;
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433 |
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434 | gsprintf(STDERR, "METSPlugout::buffer_mets_fileWhole_section_xml {common.must_be_implemented}\n") && die "\n";
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435 |
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436 | }
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437 |
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438 | 1;
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