1 | ###########################################################################
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2 | #
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3 | # BasePlugout.pm -- base class for all the plugout modules
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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 BasePlugout;
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27 |
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28 | eval {require bytes};
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29 |
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30 | use strict;
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31 | no strict 'subs';
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32 | no strict 'refs';
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33 |
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34 | use dbutil;
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35 | use gsprintf 'gsprintf';
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36 | use printusage;
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37 | use parse2;
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38 | use util;
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39 | use FileUtils;
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40 |
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41 | # suppress the annoying "subroutine redefined" warning that various
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42 | # gets cause under perl 5.6
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43 | $SIG{__WARN__} = sub {warn($_[0]) unless ($_[0] =~ /Subroutine\s+\S+\sredefined/)};
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44 |
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45 | my $arguments = [
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46 | { 'name' => "xslt_file",
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47 | 'desc' => "{BasPlugout.xslt_file}",
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48 | 'type' => "string",
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49 | 'reqd' => "no",
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50 | 'deft' => "",
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51 | 'hiddengli' => "no"},
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52 | { 'name' => "subdir_split_length",
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53 | 'desc' => "{BasPlugout.subdir_split_length}",
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54 | 'type' => "int",
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55 | 'reqd' => "no",
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56 | 'deft' => "8",
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57 | 'hiddengli' => "no"},
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58 | { 'name' => "subdir_hash_prefix",
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59 | 'desc' => "{BasPlugout.subdir_hash_prefix}",
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60 | 'type' => "flag",
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61 | 'reqd' => "no",
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62 | 'deft' => "0",
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63 | 'hiddengli' => "no"},
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64 | { 'name' => "gzip_output",
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65 | 'desc' => "{BasPlugout.gzip_output}",
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66 | 'type' => "flag",
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67 | 'reqd' => "no",
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68 | 'hiddengli' => "no"},
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69 | { 'name' => "verbosity",
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70 | 'desc' => "{BasPlugout.verbosity}",
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71 | 'type' => "int",
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72 | 'deft' => "0",
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73 | 'reqd' => "no",
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74 | 'hiddengli' => "no"},
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75 | { 'name' => "output_info",
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76 | 'desc' => "{BasPlugout.output_info}",
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77 | 'type' => "string",
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78 | 'reqd' => "yes",
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79 | 'hiddengli' => "yes"},
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80 | { 'name' => "output_handle",
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81 | 'desc' => "{BasPlugout.output_handle}",
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82 | 'type' => "string",
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83 | 'deft' => 'STDERR',
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84 | 'reqd' => "no",
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85 | 'hiddengli' => "yes"},
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86 | { 'name' => "debug",
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87 | 'desc' => "{BasPlugout.debug}",
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88 | 'type' => "flag",
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89 | 'reqd' => "no",
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90 | 'hiddengli' => "yes"},
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91 | { 'name' => 'no_rss',
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92 | 'desc' => "{BasPlugout.no_rss}",
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93 | 'type' => 'flag',
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94 | 'reqd' => 'no',
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95 | 'hiddengli' => 'yes'},
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96 | { 'name' => "no_auxiliary_databases",
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97 | 'desc' => "{BasPlugout.no_auxiliary_databases}",
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98 | 'type' => "flag",
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99 | 'reqd' => "no",
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100 | 'hiddengli' => "yes"}
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101 |
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102 | ];
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103 |
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104 | my $options = { 'name' => "BasePlugout",
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105 | 'desc' => "{BasPlugout.desc}",
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106 | 'abstract' => "yes",
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107 | 'inherits' => "no",
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108 | 'args' => $arguments};
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109 |
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110 | sub new
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111 | {
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112 | my $class = shift (@_);
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113 |
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114 | my ($plugoutlist,$args,$hashArgOptLists) = @_;
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115 | push(@$plugoutlist, $class);
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116 |
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117 | my $plugout_name = (defined $plugoutlist->[0]) ? $plugoutlist->[0] : $class;
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118 |
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119 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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120 | push(@{$hashArgOptLists->{"OptList"}},$options);
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121 |
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122 | my $self = {};
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123 | $self->{'plugout_type'} = $class;
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124 | $self->{'option_list'} = $hashArgOptLists->{"OptList"};
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125 | $self->{"info_only"} = 0;
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126 |
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127 | # Check if gsdlinfo is in the argument list or not - if it is, don't parse
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128 | # the args, just return the object.
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129 | foreach my $strArg (@{$args})
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130 | {
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131 | if(defined $strArg && $strArg eq "-gsdlinfo")
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132 | {
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133 | $self->{"info_only"} = 1;
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134 | return bless $self, $class;
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135 | }
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136 | }
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137 |
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138 | delete $self->{"info_only"};
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139 |
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140 | if(parse2::parse($args,$hashArgOptLists->{"ArgList"},$self) == -1)
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141 | {
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142 | my $classTempClass = bless $self, $class;
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143 | print STDERR "<BadPlugout d=$plugout_name>\n";
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144 | &gsprintf(STDERR, "\n{BasPlugout.bad_general_option}\n", $plugout_name);
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145 | $classTempClass->print_txt_usage(""); # Use default resource bundle
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146 | die "\n";
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147 | }
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148 |
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149 |
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150 | if(defined $self->{'xslt_file'} && $self->{'xslt_file'} ne "")
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151 | {
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152 | my $full_file_path = &util::locate_config_file($self->{'xslt_file'});
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153 | if (!defined $full_file_path) {
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154 | print STDERR "Can not find $self->{'xslt_file'}, please make sure you have supplied the correct file path or put the file into the collection's etc or greenstone's etc folder\n";
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155 | die "\n";
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156 | }
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157 | $self->{'xslt_file'} = $full_file_path;
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158 | }
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159 |
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160 | # for group processing
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161 | $self->{'gs_count'} = 0;
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162 | $self->{'group_position'} = 1;
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163 |
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164 | $self->{'keep_import_structure'} = 0;
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165 |
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166 | $self->{'generate_databases'} = 1;
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167 | if ($self->{'no_auxiliary_databases'}) {
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168 | $self->{'generate_databases'} = 0;
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169 | }
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170 | undef $self->{'no_auxiliary_databases'};
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171 | return bless $self, $class;
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172 |
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173 | }
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174 |
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175 | # implement this in subclass if you want to do some initialization after
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176 | # loading and setting parameters, and before processing the documents.
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177 | sub begin {
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178 |
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179 | my $self= shift (@_);
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180 |
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181 | }
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182 | sub print_xml_usage
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183 | {
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184 | my $self = shift(@_);
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185 | my $header = shift(@_);
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186 | my $high_level_information_only = shift(@_);
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187 |
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188 | # XML output is always in UTF-8
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189 | gsprintf::output_strings_in_UTF8;
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190 |
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191 | if ($header) {
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192 | &PrintUsage::print_xml_header("plugout");
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193 | }
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194 | $self->print_xml($high_level_information_only);
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195 | }
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196 |
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197 |
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198 | sub print_xml
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199 | {
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200 | my $self = shift(@_);
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201 | my $high_level_information_only = shift(@_);
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202 |
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203 | my $optionlistref = $self->{'option_list'};
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204 | my @optionlist = @$optionlistref;
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205 | my $plugoutoptions = shift(@$optionlistref);
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206 | return if (!defined($plugoutoptions));
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207 |
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208 | gsprintf(STDERR, "<PlugoutInfo>\n");
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209 | gsprintf(STDERR, " <Name>$plugoutoptions->{'name'}</Name>\n");
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210 | my $desc = gsprintf::lookup_string($plugoutoptions->{'desc'});
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211 | $desc =~ s/</&lt;/g; # doubly escaped
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212 | $desc =~ s/>/&gt;/g;
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213 | gsprintf(STDERR, " <Desc>$desc</Desc>\n");
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214 | gsprintf(STDERR, " <Abstract>$plugoutoptions->{'abstract'}</Abstract>\n");
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215 | gsprintf(STDERR, " <Inherits>$plugoutoptions->{'inherits'}</Inherits>\n");
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216 | unless (defined($high_level_information_only)) {
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217 | gsprintf(STDERR, " <Arguments>\n");
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218 | if (defined($plugoutoptions->{'args'})) {
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219 | &PrintUsage::print_options_xml($plugoutoptions->{'args'});
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220 | }
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221 | gsprintf(STDERR, " </Arguments>\n");
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222 |
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223 | # Recurse up the plugout hierarchy
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224 | $self->print_xml();
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225 | }
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226 | gsprintf(STDERR, "</PlugoutInfo>\n");
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227 | }
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228 |
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229 |
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230 | sub print_txt_usage
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231 | {
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232 | my $self = shift(@_);
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233 |
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234 | # Print the usage message for a plugout (recursively)
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235 | my $descoffset = $self->determine_description_offset(0);
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236 | $self->print_plugout_usage($descoffset, 1);
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237 | }
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238 |
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239 | sub determine_description_offset
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240 | {
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241 | my $self = shift(@_);
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242 | my $maxoffset = shift(@_);
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243 |
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244 | my $optionlistref = $self->{'option_list'};
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245 | my @optionlist = @$optionlistref;
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246 | my $plugoutoptions = pop(@$optionlistref);
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247 | return $maxoffset if (!defined($plugoutoptions));
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248 |
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249 | # Find the length of the longest option string of this download
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250 | my $plugoutargs = $plugoutoptions->{'args'};
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251 | if (defined($plugoutargs)) {
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252 | my $longest = &PrintUsage::find_longest_option_string($plugoutargs);
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253 | if ($longest > $maxoffset) {
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254 | $maxoffset = $longest;
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255 | }
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256 | }
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257 |
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258 | # Recurse up the download hierarchy
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259 | $maxoffset = $self->determine_description_offset($maxoffset);
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260 | $self->{'option_list'} = \@optionlist;
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261 | return $maxoffset;
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262 | }
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263 |
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264 |
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265 | sub print_plugout_usage
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266 | {
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267 | my $self = shift(@_);
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268 | my $descoffset = shift(@_);
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269 | my $isleafclass = shift(@_);
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270 |
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271 | my $optionlistref = $self->{'option_list'};
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272 | my @optionlist = @$optionlistref;
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273 | my $plugoutoptions = shift(@$optionlistref);
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274 | return if (!defined($plugoutoptions));
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275 |
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276 | my $plugoutname = $plugoutoptions->{'name'};
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277 | my $plugoutargs = $plugoutoptions->{'args'};
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278 | my $plugoutdesc = $plugoutoptions->{'desc'};
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279 |
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280 | # Produce the usage information using the data structure above
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281 | if ($isleafclass) {
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282 | if (defined($plugoutdesc)) {
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283 | gsprintf(STDERR, "$plugoutdesc\n\n");
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284 | }
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285 | gsprintf(STDERR, " {common.usage}: plugout $plugoutname [{common.options}]\n\n");
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286 | }
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287 |
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288 | # Display the download options, if there are some
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289 | if (defined($plugoutargs)) {
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290 | # Calculate the column offset of the option descriptions
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291 | my $optiondescoffset = $descoffset + 2; # 2 spaces between options & descriptions
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292 |
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293 | if ($isleafclass) {
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294 | gsprintf(STDERR, " {common.specific_options}:\n");
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295 | }
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296 | else {
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297 | gsprintf(STDERR, " {common.general_options}:\n", $plugoutname);
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298 | }
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299 |
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300 | # Display the download options
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301 | &PrintUsage::print_options_txt($plugoutargs, $optiondescoffset);
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302 | }
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303 |
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304 | # Recurse up the download hierarchy
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305 | $self->print_plugout_usage($descoffset, 0);
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306 | $self->{'option_list'} = \@optionlist;
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307 | }
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308 |
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309 |
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310 | sub error
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311 | {
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312 | my ($strFunctionName,$strError) = @_;
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313 | {
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314 | print "Error occoured in BasePlugout.pm\n".
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315 | "In Function: ".$strFunctionName."\n".
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316 | "Error Message: ".$strError."\n";
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317 | exit(-1);
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318 | }
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319 | }
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320 |
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321 | # OIDtype may be "hash" or "hash_on_full_filename" or "incremental" or "filename" or "dirname" or "full_filename" or "assigned"
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322 | sub set_OIDtype {
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323 | my $self = shift (@_);
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324 | my ($type, $metadata) = @_;
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325 |
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326 | if ($type =~ /^(hash|hash_on_full_filename|incremental|filename|dirname|full_filename|assigned)$/) {
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327 | $self->{'OIDtype'} = $type;
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328 | } else {
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329 | $self->{'OIDtype'} = "hash";
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330 | }
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331 | if ($type =~ /^assigned$/) {
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332 | if (defined $metadata) {
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333 | $self->{'OIDmetadata'} = $metadata;
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334 | } else {
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335 | $self->{'OIDmetadata'} = "dc.Identifier";
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336 | }
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337 | }
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338 | }
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339 |
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340 | sub set_output_dir
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341 | {
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342 | my $self = shift @_;
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343 | my ($output_dir) = @_;
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344 |
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345 | $self->{'output_dir'} = $output_dir;
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346 | }
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347 |
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348 | sub setoutputdir
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349 | {
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350 | my $self = shift @_;
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351 | my ($output_dir) = @_;
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352 |
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353 | $self->{'output_dir'} = $output_dir;
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354 | }
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355 |
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356 | sub get_output_dir
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357 | {
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358 | my $self = shift (@_);
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359 |
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360 | return $self->{'output_dir'};
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361 | }
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362 |
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363 | sub getoutputdir
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364 | {
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365 | my $self = shift (@_);
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366 |
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367 | return $self->{'output_dir'};
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368 | }
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369 |
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370 | sub getoutputinfo
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371 | {
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372 | my $self = shift (@_);
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373 |
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374 | return $self->{'output_info'};
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375 | }
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376 |
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377 |
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378 | sub get_output_handler
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379 | {
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380 | my $self = shift (@_);
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381 |
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382 | my ($output_file_name) = @_;
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383 |
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384 | my $fh;
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385 | &FileUtils::openFileHandle($output_file_name, '>', \$fh) or die('Can not open a file handler for: ' . $output_file_name . "\n");
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386 |
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387 | return $fh;
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388 | }
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389 |
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390 | sub release_output_handler
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391 | {
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392 | my $self = shift (@_);
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393 | my ($outhandler) = @_;
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394 |
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395 | close($outhandler);
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396 |
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397 | }
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398 |
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399 | sub output_xml_header {
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400 | my $self = shift (@_);
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401 | my ($handle,$docroot,$nondoctype) = @_;
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402 |
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403 |
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404 | #print $handle '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' . "\n";
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405 |
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406 | #For Dspace must be UTF in lower case
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407 | print $handle '<?xml version="1.0" encoding="utf-8" standalone="no"?>' . "\n";
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408 |
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409 | if (!defined $nondoctype){
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410 | my $doctype = (defined $docroot) ? $docroot : "Section";
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411 |
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412 | # Used to be '<!DOCTYPE Archive SYSTEM ...'
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413 |
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414 | print $handle "<!DOCTYPE $doctype SYSTEM \"http://greenstone.org/dtd/Archive/1.0/Archive.dtd\">\n";
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415 | }
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416 |
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417 | print $handle "<$docroot>\n" if defined $docroot;
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418 | }
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419 |
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420 | sub output_xml_footer {
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421 | my $self = shift (@_);
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422 | my ($handle,$docroot) = @_;
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423 | print $handle "</$docroot>\n" if defined $docroot;
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424 | }
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425 |
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426 |
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427 | sub output_general_xml_header
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428 | {
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429 | my $self = shift (@_);
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430 | my ($handle,$docroot,$opt_attributes,$opt_dtd, $opt_doctype) = @_;
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431 |
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432 | print $handle '<?xml version="1.0" encoding="utf-8" standalone="no"?>' . "\n";
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433 |
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434 | if (defined $opt_dtd) {
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435 | my $doctype = (defined $opt_doctype) ? $opt_doctype : $docroot;
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436 | print $handle "<!DOCTYPE $doctype SYSTEM \"$opt_dtd\">\n";
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437 | }
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438 |
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439 | if (defined $docroot) {
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440 | my $full_docroot = $docroot;
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441 | if (defined $opt_attributes) {
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442 | $full_docroot .= " $opt_attributes";
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443 | }
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444 |
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445 | print $handle "<$full_docroot>\n"
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446 | }
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447 | }
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448 |
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449 | sub output_general_xml_footer
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450 | {
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451 | output_xml_footer(@_);
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452 | }
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453 |
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454 | # This is called by the plugins after read_into_doc_obj generates the doc_obj.
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455 | sub process {
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456 | my $self = shift (@_);
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457 | my ($doc_obj) = @_;
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458 |
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459 | my $output_info = $self->{'output_info'};
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460 | return if (!defined $output_info);
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461 |
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462 | # for OAI purposes
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463 | $doc_obj->set_lastmodified();
|
---|
464 | $doc_obj->set_oailastmodified();
|
---|
465 |
|
---|
466 | # find out which directory to save to
|
---|
467 | my $doc_dir = "";
|
---|
468 | if ($self->is_group()) {
|
---|
469 | $doc_dir = $self->get_group_doc_dir($doc_obj);
|
---|
470 | } else {
|
---|
471 | $doc_dir = $self->get_doc_dir($doc_obj);
|
---|
472 | }
|
---|
473 |
|
---|
474 | ##############################
|
---|
475 | # call subclass' saveas method
|
---|
476 | ##############################
|
---|
477 | $self->saveas($doc_obj,$doc_dir);
|
---|
478 |
|
---|
479 | # write out data to archiveinf-doc.db
|
---|
480 | if ($self->{'generate_databases'}) {
|
---|
481 | $self->archiveinf_db($doc_obj);
|
---|
482 | }
|
---|
483 | if ($self->is_group()) {
|
---|
484 | $self->{'gs_count'}++; # do we want this for all cases?
|
---|
485 | $self->{'group_position'}++;
|
---|
486 | }
|
---|
487 | }
|
---|
488 |
|
---|
489 | sub store_output_info_reference {
|
---|
490 | my $self = shift (@_);
|
---|
491 | my ($doc_obj) = @_;
|
---|
492 |
|
---|
493 | my $output_info = $self->{'output_info'};
|
---|
494 | my $metaname = $self->{'sortmeta'};
|
---|
495 |
|
---|
496 | my $group_position;
|
---|
497 | if ($self->is_group()) {
|
---|
498 | $group_position = $self->{'group_position'};
|
---|
499 | }
|
---|
500 | if (!defined $metaname || $metaname !~ /\S/) {
|
---|
501 | my $OID = $doc_obj->get_OID();
|
---|
502 | $output_info->add_info($OID,$self->{'short_doc_file'}, undef, "", $group_position);
|
---|
503 | return;
|
---|
504 | }
|
---|
505 |
|
---|
506 | if ($metaname eq "OID") { # sort by OID
|
---|
507 | my $OID = $doc_obj->get_OID();
|
---|
508 | $output_info->add_info($OID,$self->{'short_doc_file'}, undef, $OID, undef);
|
---|
509 | return;
|
---|
510 | }
|
---|
511 |
|
---|
512 | my $metadata = "";
|
---|
513 | my $top_section = $doc_obj->get_top_section();
|
---|
514 |
|
---|
515 | my @commameta_list = split(/,/, $metaname);
|
---|
516 | foreach my $cmn (@commameta_list) {
|
---|
517 | my $meta = $doc_obj->get_metadata_element($top_section, $cmn);
|
---|
518 | if ($meta) {
|
---|
519 | # do remove prefix/suffix - this will apply to all values
|
---|
520 | $meta =~ s/^$self->{'removeprefix'}// if defined $self->{'removeprefix'};
|
---|
521 | $meta =~ s/$self->{'removesuffix'}$// if defined $self->{'removesuffix'};
|
---|
522 | $meta = &sorttools::format_metadata_for_sorting($cmn, $meta, $doc_obj);
|
---|
523 | $metadata .= $meta if ($meta);
|
---|
524 | }
|
---|
525 | }
|
---|
526 |
|
---|
527 | # store reference in the output_info
|
---|
528 | $output_info->add_info($doc_obj->get_OID(),$self->{'short_doc_file'}, undef, $metadata,undef);
|
---|
529 |
|
---|
530 | }
|
---|
531 |
|
---|
532 |
|
---|
533 |
|
---|
534 | sub saveas {
|
---|
535 | my $self = shift (@_);
|
---|
536 | my ($doc_obj, $doc_dir) = @_;
|
---|
537 |
|
---|
538 | die "Basplug::saveas function must be implemented in sub classes\n";
|
---|
539 | }
|
---|
540 |
|
---|
541 | sub get_group_doc_dir {
|
---|
542 | my $self = shift (@_);
|
---|
543 | my ($doc_obj) = @_;
|
---|
544 |
|
---|
545 | my $outhandle = $self->{'output_handle'};
|
---|
546 | my $OID = $doc_obj->get_OID();
|
---|
547 | $OID = "NULL" unless defined $OID;
|
---|
548 |
|
---|
549 | my $groupsize = $self->{'group_size'};
|
---|
550 | my $gs_count = $self->{'gs_count'};
|
---|
551 | my $open_new_file = (($gs_count % $groupsize)==0);
|
---|
552 |
|
---|
553 | my $doc_dir;
|
---|
554 |
|
---|
555 | if (!$open_new_file && scalar(@{$doc_obj->get_assoc_files()})>0) {
|
---|
556 | # if we have some assoc files, then we will need to start a new file
|
---|
557 | if ($self->{'verbosity'} > 2) {
|
---|
558 | print $outhandle " Starting a archives folder for $OID as it has associated files\n";
|
---|
559 | }
|
---|
560 | $open_new_file = 1;
|
---|
561 | }
|
---|
562 |
|
---|
563 | # opening a new file
|
---|
564 | if (($open_new_file) || !defined($self->{'gs_doc_dir'})) {
|
---|
565 | # first we close off the old output
|
---|
566 | if ($gs_count>0)
|
---|
567 | {
|
---|
568 | return if (!$self->close_group_output());
|
---|
569 | }
|
---|
570 |
|
---|
571 | # this will create the directory
|
---|
572 | $doc_dir = $self->get_doc_dir ($doc_obj);
|
---|
573 | $self->{'new_doc_dir'} = 1;
|
---|
574 | $self->{'gs_doc_dir'} = $doc_dir;
|
---|
575 | $self->{'group_position'} = 1;
|
---|
576 | }
|
---|
577 | else {
|
---|
578 | $doc_dir = $self->{'gs_doc_dir'};
|
---|
579 | $self->{'new_doc_dir'} = 0;
|
---|
580 | }
|
---|
581 | return $doc_dir;
|
---|
582 |
|
---|
583 | }
|
---|
584 | sub get_doc_dir {
|
---|
585 |
|
---|
586 | my $self = shift (@_);
|
---|
587 | my ($doc_obj) = @_;
|
---|
588 |
|
---|
589 | my $OID = $doc_obj->get_OID();
|
---|
590 | $OID = "NULL" unless defined $OID;
|
---|
591 |
|
---|
592 | my $working_dir = $self->get_output_dir();
|
---|
593 | my $working_info = $self->{'output_info'};
|
---|
594 | return if (!defined $working_info);
|
---|
595 |
|
---|
596 | my $doc_info = $working_info->get_info($OID);
|
---|
597 | my $doc_dir = '';
|
---|
598 |
|
---|
599 | if (defined $doc_info && scalar(@$doc_info) >= 1)
|
---|
600 | {
|
---|
601 | # This OID already has an archives directory, so use it again
|
---|
602 | $doc_dir = $doc_info->[0];
|
---|
603 | $doc_dir =~ s/\/?((doc(mets)?)|(dublin_core))\.xml(\.gz)?$//;
|
---|
604 | }
|
---|
605 | elsif ($self->{'keep_import_structure'})
|
---|
606 | {
|
---|
607 | my $source_filename = $doc_obj->get_source_filename();
|
---|
608 | $source_filename = &File::Basename::dirname($source_filename);
|
---|
609 | $source_filename =~ s/[\\\/]+/\//g;
|
---|
610 | $source_filename =~ s/\/$//;
|
---|
611 |
|
---|
612 | $doc_dir = substr($source_filename, length($ENV{'GSDLIMPORTDIR'}) + 1);
|
---|
613 | }
|
---|
614 |
|
---|
615 | # We have to use a new archives directory for this document
|
---|
616 | if ($doc_dir eq "")
|
---|
617 | {
|
---|
618 | $doc_dir = $self->get_new_doc_dir ($working_info, $working_dir, $OID);
|
---|
619 | }
|
---|
620 |
|
---|
621 | &FileUtils::makeAllDirectories(&FileUtils::filenameConcatenate($working_dir, $doc_dir));
|
---|
622 |
|
---|
623 | return $doc_dir;
|
---|
624 | }
|
---|
625 |
|
---|
626 |
|
---|
627 | ## @function get_new_doc_dir()
|
---|
628 | #
|
---|
629 | # Once a doc object is ready to write to disk (and hence has a nice OID),
|
---|
630 | # generate a unique subdirectory to write the information to.
|
---|
631 | #
|
---|
632 | # - create the directory as part of this call, to try and avoid race conditions
|
---|
633 | # found in parallel processing [jmt12]
|
---|
634 | #
|
---|
635 | # @todo figure out what the rule regarding $work_info->size() is meant to do
|
---|
636 | #
|
---|
637 | # @todo determine what $self->{'group'} is, and whether it should affect
|
---|
638 | # directory creation
|
---|
639 | #
|
---|
640 | sub get_new_doc_dir
|
---|
641 | {
|
---|
642 | my $self = shift (@_);
|
---|
643 | my($working_info,$working_dir,$OID) = @_;
|
---|
644 |
|
---|
645 | my $doc_dir = "";
|
---|
646 | my $doc_dir_rest = $OID;
|
---|
647 |
|
---|
648 | # remove any \ and / from the OID
|
---|
649 | $doc_dir_rest =~ s/[\\\/]//g;
|
---|
650 |
|
---|
651 | # Remove ":" if we are on Windows OS, as otherwise they get confused with the drive letters
|
---|
652 | if ($ENV{'GSDLOS'} =~ /^windows$/i)
|
---|
653 | {
|
---|
654 | $doc_dir_rest =~ s/\://g;
|
---|
655 | }
|
---|
656 |
|
---|
657 | # we generally create a unique directory by adding consequtive fragments of
|
---|
658 | # the document identifier (split by some predefined length - defaulting to
|
---|
659 | # 8) until we find a directory that doesn't yet exist. Note that directories
|
---|
660 | # that contain a document have a suffix ".dir" (whereas those that contain
|
---|
661 | # only subdirectories have no suffix).
|
---|
662 | my $doc_dir_num = 0; # how many directories deep we are
|
---|
663 | my $created_directory = 0; # have we successfully created a new directory
|
---|
664 | do
|
---|
665 | {
|
---|
666 | # (does this work on windows? - jmt12)
|
---|
667 | if ($doc_dir_num > 0)
|
---|
668 | {
|
---|
669 | $doc_dir .= '/';
|
---|
670 | }
|
---|
671 |
|
---|
672 | # the default matching pattern grabs the next 'subdir_split_length'
|
---|
673 | # characters of the OID to act as the next subdirectory
|
---|
674 | my $pattern = '^(.{1,' . $self->{'subdir_split_length'} . '})';
|
---|
675 |
|
---|
676 | # Do we count any "HASH" prefix against the split length limit?
|
---|
677 | if ($self->{'subdir_hash_prefix'} && $doc_dir_num == 0)
|
---|
678 | {
|
---|
679 | $pattern = '^((HASH)?.{1,' . $self->{'subdir_split_length'} . '})';
|
---|
680 | }
|
---|
681 |
|
---|
682 | # Note the use of 's' to both capture the next chuck of OID and to remove
|
---|
683 | # it from OID at the same time
|
---|
684 | if ($doc_dir_rest =~ s/$pattern//i)
|
---|
685 | {
|
---|
686 | $doc_dir .= $1;
|
---|
687 | $doc_dir_num++;
|
---|
688 |
|
---|
689 | my $full_doc_dir = &FileUtils::filenameConcatenate($working_dir, $doc_dir . '.dir');
|
---|
690 | if(!FileUtils::directoryExists($full_doc_dir))
|
---|
691 | {
|
---|
692 | &FileUtils::makeAllDirectories($full_doc_dir);
|
---|
693 | $created_directory = 1;
|
---|
694 | }
|
---|
695 |
|
---|
696 | ###rint STDERR "[DEBUG] BasePlugout::get_new_doc_dir(<working_info>, $working_dir, $oid)\n";
|
---|
697 | ###rint STDERR " - create directory: $full_doc_dir => $created_directory\n";
|
---|
698 | ###rint STDERR " - rest: $doc_dir_rest\n";
|
---|
699 | ###rint STDERR " - working_info->size(): " . $working_info->size() . " [ < 1024 ?]\n";
|
---|
700 | ###rint STDERR " - doc_dir_num: " . $doc_dir_num . "\n";
|
---|
701 | }
|
---|
702 | }
|
---|
703 | while ($doc_dir_rest ne '' && ($created_directory == 0 || ($working_info->size() >= 1024 && $doc_dir_num < 2)));
|
---|
704 |
|
---|
705 | # not unique yet? Add on an incremental suffix until we are unique
|
---|
706 | my $i = 1;
|
---|
707 | my $doc_dir_base = $doc_dir;
|
---|
708 | while ($created_directory == 0)
|
---|
709 | {
|
---|
710 | $doc_dir = $doc_dir_base . '-' . $i;
|
---|
711 | $created_directory = &FileUtils::makeAllDirectories(&FileUtils::filenameConcatenate($working_dir, $doc_dir . '.dir'));
|
---|
712 | $i++;
|
---|
713 | }
|
---|
714 |
|
---|
715 | # in theory this should never happen
|
---|
716 | if (!$created_directory)
|
---|
717 | {
|
---|
718 | die("Error! Failed to create directory for document: " . $doc_dir_base . "\n");
|
---|
719 | }
|
---|
720 |
|
---|
721 | return $doc_dir . '.dir';
|
---|
722 | }
|
---|
723 | ## get_new_doc_dir()
|
---|
724 |
|
---|
725 |
|
---|
726 | sub process_assoc_files {
|
---|
727 | my $self = shift (@_);
|
---|
728 | my ($doc_obj, $doc_dir, $handle) = @_;
|
---|
729 |
|
---|
730 | my $outhandle = $self->{'output_handle'};
|
---|
731 |
|
---|
732 | my $output_dir = $self->get_output_dir();
|
---|
733 | return if (!defined $output_dir);
|
---|
734 |
|
---|
735 | &FileUtils::makeAllDirectories($output_dir) unless &FileUtils::directoryExists($output_dir);
|
---|
736 |
|
---|
737 | my $working_dir = &FileUtils::filenameConcatenate($output_dir, $doc_dir);
|
---|
738 | &FileUtils::makeAllDirectories($working_dir) unless &FileUtils::directoryExists($working_dir);
|
---|
739 |
|
---|
740 | my @assoc_files = ();
|
---|
741 | my $filename;;
|
---|
742 |
|
---|
743 | my $source_filename = $doc_obj->get_source_filename();
|
---|
744 |
|
---|
745 | my $collect_dir = $ENV{'GSDLCOLLECTDIR'};
|
---|
746 |
|
---|
747 | if (defined $collect_dir) {
|
---|
748 | my $dirsep_regexp = &util::get_os_dirsep();
|
---|
749 |
|
---|
750 | if ($collect_dir !~ /$dirsep_regexp$/) {
|
---|
751 | $collect_dir .= &util::get_dirsep(); # ensure there is a slash at the end
|
---|
752 | }
|
---|
753 |
|
---|
754 | # This test is never going to fail on Windows -- is this a problem?
|
---|
755 |
|
---|
756 | if ($source_filename !~ /^$dirsep_regexp/) {
|
---|
757 | $source_filename = &FileUtils::filenameConcatenate($collect_dir, $source_filename);
|
---|
758 | }
|
---|
759 | }
|
---|
760 |
|
---|
761 |
|
---|
762 | # set the assocfile path (even if we have no assoc files - need this for lucene)
|
---|
763 | $doc_obj->set_utf8_metadata_element ($doc_obj->get_top_section(),
|
---|
764 | "assocfilepath",
|
---|
765 | "$doc_dir");
|
---|
766 | foreach my $assoc_file_rec (@{$doc_obj->get_assoc_files()}) {
|
---|
767 | my ($dir, $afile) = $assoc_file_rec->[1] =~ /^(.*?)([^\/\\]+)$/;
|
---|
768 | $dir = "" unless defined $dir;
|
---|
769 |
|
---|
770 | my $utf8_real_filename = $assoc_file_rec->[0];
|
---|
771 |
|
---|
772 | # for some reasons the image associate file has / before the full path
|
---|
773 | $utf8_real_filename =~ s/^\\(.*)/$1/i;
|
---|
774 |
|
---|
775 | ## my $real_filename = &util::utf8_to_real_filename($utf8_real_filename);
|
---|
776 | my $real_filename = $utf8_real_filename;
|
---|
777 | $real_filename = &util::downgrade_if_dos_filename($real_filename);
|
---|
778 |
|
---|
779 | if (&FileUtils::fileExists($real_filename)) {
|
---|
780 |
|
---|
781 | $filename = &FileUtils::filenameConcatenate($working_dir, $afile);
|
---|
782 |
|
---|
783 | &FileUtils::hardLink($real_filename, $filename, $self->{'verbosity'});
|
---|
784 |
|
---|
785 | $doc_obj->add_utf8_metadata ($doc_obj->get_top_section(),
|
---|
786 | "gsdlassocfile",
|
---|
787 | "$afile:$assoc_file_rec->[2]:$dir");
|
---|
788 | } elsif ($self->{'verbosity'} > 1) {
|
---|
789 | print $outhandle "BasePlugout::process couldn't copy the associated file " .
|
---|
790 | "$real_filename to $afile\n";
|
---|
791 | }
|
---|
792 | }
|
---|
793 | }
|
---|
794 |
|
---|
795 |
|
---|
796 | sub process_metafiles_metadata
|
---|
797 | {
|
---|
798 | my $self = shift (@_);
|
---|
799 | my ($doc_obj) = @_;
|
---|
800 |
|
---|
801 | my $top_section = $doc_obj->get_top_section();
|
---|
802 | my $metafiles = $doc_obj->get_metadata($top_section,"gsdlmetafile");
|
---|
803 |
|
---|
804 | foreach my $metafile_pair (@$metafiles) {
|
---|
805 | my ($full_metafile,$metafile) = split(/ : /,$metafile_pair);
|
---|
806 |
|
---|
807 | $doc_obj->metadata_file($full_metafile,$metafile);
|
---|
808 | }
|
---|
809 |
|
---|
810 | $doc_obj->delete_metadata($top_section,"gsdlmetafile");
|
---|
811 | }
|
---|
812 |
|
---|
813 | sub archiveinf_files_to_field
|
---|
814 | {
|
---|
815 | my $self = shift(@_);
|
---|
816 | my ($files,$field,$collect_dir,$oid_files,$reverse_lookups) = @_;
|
---|
817 |
|
---|
818 | foreach my $file_rec (@$files) {
|
---|
819 | my $real_filename = (ref $file_rec eq "ARRAY") ? $file_rec->[0] : $file_rec;
|
---|
820 | my $full_file = (ref $file_rec eq "ARRAY") ? $file_rec->[1] : $file_rec;
|
---|
821 | # for some reasons the image associate file has / before the full path
|
---|
822 | $real_filename =~ s/^\\(.*)/$1/i;
|
---|
823 |
|
---|
824 | my $raw_filename = &util::downgrade_if_dos_filename($real_filename);
|
---|
825 |
|
---|
826 | if (&FileUtils::fileExists($raw_filename)) {
|
---|
827 |
|
---|
828 | # if (defined $collect_dir) {
|
---|
829 | # my $collect_dir_re_safe = $collect_dir;
|
---|
830 | # $collect_dir_re_safe =~ s/\\/\\\\/g; # use &util::filename_to_regex()
|
---|
831 | # $collect_dir_re_safe =~ s/\./\\./g;##
|
---|
832 |
|
---|
833 | # $real_filename =~ s/^$collect_dir_re_safe//;
|
---|
834 | # }
|
---|
835 |
|
---|
836 | if (defined $reverse_lookups) {
|
---|
837 | $reverse_lookups->{$real_filename} = 1;
|
---|
838 | }
|
---|
839 |
|
---|
840 | if($field =~ m@assoc-file|src-file|meta-file@) {
|
---|
841 | $raw_filename = &util::abspath_to_placeholders($raw_filename);
|
---|
842 | }
|
---|
843 |
|
---|
844 | ### push(@{$oid_files->{$field}},$full_file);
|
---|
845 | push(@{$oid_files->{$field}},$raw_filename);
|
---|
846 | }
|
---|
847 | else {
|
---|
848 | print STDERR "Warning: archiveinf_files_to_field()\n $real_filename does not appear to be on the file system\n";
|
---|
849 | }
|
---|
850 | }
|
---|
851 | }
|
---|
852 |
|
---|
853 | sub archiveinf_db
|
---|
854 | {
|
---|
855 | my $self = shift (@_);
|
---|
856 | my ($doc_obj) = @_;
|
---|
857 |
|
---|
858 | my $verbosity = $self->{'verbosity'};
|
---|
859 |
|
---|
860 | my $collect_dir = $ENV{'GSDLCOLLECTDIR'};
|
---|
861 | if (defined $collect_dir) {
|
---|
862 | my $dirsep_regexp = &util::get_os_dirsep();
|
---|
863 |
|
---|
864 | if ($collect_dir !~ /$dirsep_regexp$/) {
|
---|
865 | # ensure there is a slash at the end
|
---|
866 | $collect_dir .= &util::get_dirsep();
|
---|
867 | }
|
---|
868 | }
|
---|
869 |
|
---|
870 | my $oid = $doc_obj->get_OID();
|
---|
871 | my $source_filename = $doc_obj->get_unmodified_source_filename();
|
---|
872 | my $working_info = $self->{'output_info'};
|
---|
873 | my $doc_info = $working_info->get_info($oid);
|
---|
874 |
|
---|
875 | my ($doc_file,$index_status,$sortmeta, $group_position) = @$doc_info;
|
---|
876 | # doc_file is the path to the archive doc.xml. Make sure it has unix
|
---|
877 | # slashes, then if the collection is copied to linux, it can be built without reimport
|
---|
878 | $doc_file =~ s/\\/\//g;
|
---|
879 | my $oid_files = { 'doc-file' => $doc_file,
|
---|
880 | 'index-status' => $index_status,
|
---|
881 | 'src-file' => $source_filename,
|
---|
882 | 'sort-meta' => $sortmeta,
|
---|
883 | 'assoc-file' => [],
|
---|
884 | 'meta-file' => [] };
|
---|
885 | if (defined $group_position) {
|
---|
886 | $oid_files->{'group-position'} = $group_position;
|
---|
887 | }
|
---|
888 | my $reverse_lookups = { $source_filename => "1" };
|
---|
889 |
|
---|
890 |
|
---|
891 | $self->archiveinf_files_to_field($doc_obj->get_source_assoc_files(),"assoc-file",
|
---|
892 | $collect_dir,$oid_files,$reverse_lookups);
|
---|
893 |
|
---|
894 |
|
---|
895 | $self->archiveinf_files_to_field($doc_obj->get_meta_files(),"meta-file",
|
---|
896 | $collect_dir,$oid_files);
|
---|
897 |
|
---|
898 | # Get the infodbtype value for this collection from the arcinfo object
|
---|
899 | my $infodbtype = $self->{'output_info'}->{'infodbtype'};
|
---|
900 | my $output_dir = $self->{'output_dir'};
|
---|
901 |
|
---|
902 | my $doc_db = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $output_dir);
|
---|
903 |
|
---|
904 | ##print STDERR "*** To set in db: \n\t$doc_db\n\t$oid\n\t$doc_db_text\n";
|
---|
905 |
|
---|
906 | if (!$self->{'no_rss'})
|
---|
907 | {
|
---|
908 | if (($oid_files->{'index-status'} eq "I") || ($oid_files->{'index-status'} eq "R")) {
|
---|
909 | my $top_section = $doc_obj->get_top_section();
|
---|
910 |
|
---|
911 | my $dc_titles = $doc_obj->get_metadata($top_section,"dc.Title");
|
---|
912 | my $dc_title = join("; ", @$dc_titles);
|
---|
913 |
|
---|
914 | if ($oid_files->{'index-status'} eq "R") {
|
---|
915 | $dc_title .= " (Updated)";
|
---|
916 | }
|
---|
917 |
|
---|
918 | my $rss_entry = "<item>\n";
|
---|
919 | $rss_entry .= " <title>$dc_title</title>\n";
|
---|
920 | if(&util::is_gs3()) {
|
---|
921 | $rss_entry .= " <link>_httpdomain__httpcollection_/document/$oid</link>\n";
|
---|
922 | } else {
|
---|
923 | $rss_entry .= " <link>_httpdomainHtmlsafe__httpcollection_/document/$oid</link>\n";
|
---|
924 | }
|
---|
925 | $rss_entry .= "</item>";
|
---|
926 |
|
---|
927 | if (defined(&dbutil::supportsRSS) && &dbutil::supportsRSS($infodbtype))
|
---|
928 | {
|
---|
929 | my $rss_db = &dbutil::get_infodb_file_path($infodbtype, 'rss-items', $output_dir);
|
---|
930 | my $rss_db_fh = &dbutil::open_infodb_write_handle($infodbtype, $rss_db, 'append');
|
---|
931 | &dbutil::write_infodb_rawentry($infodbtype, $rss_db_fh, $oid, $rss_entry);
|
---|
932 | &dbutil::close_infodb_write_handle($infodbtype, $rss_db_fh);
|
---|
933 | }
|
---|
934 | else
|
---|
935 | {
|
---|
936 | my $rss_filename = &FileUtils::filenameConcatenate($output_dir,"rss-items.rdf");
|
---|
937 | my $rss_fh;
|
---|
938 | if (&FileUtils::openFileHandle($rss_filename, '>>', \$rss_fh, "utf8"))
|
---|
939 | {
|
---|
940 | print $rss_fh $rss_entry . "\n";
|
---|
941 | &FileUtils::closeFileHandle($rss_filename, \$rss_fh);
|
---|
942 | }
|
---|
943 | else
|
---|
944 | {
|
---|
945 | print STDERR "**** Failed to open $rss_filename\n$!\n";
|
---|
946 | }
|
---|
947 | }
|
---|
948 | }
|
---|
949 | }
|
---|
950 |
|
---|
951 | $oid_files->{'doc-file'} = [ $oid_files->{'doc-file'} ];
|
---|
952 | $oid_files->{'index-status'} = [ $oid_files->{'index-status'} ];
|
---|
953 | $oid_files->{'src-file'} = &util::abspath_to_placeholders($oid_files->{'src-file'});
|
---|
954 | $oid_files->{'src-file'} = [ $oid_files->{'src-file'} ];
|
---|
955 | $oid_files->{'sort-meta'} = [ $oid_files->{'sort-meta'} ];
|
---|
956 | if (defined $oid_files->{'group-position'}) {
|
---|
957 | $oid_files->{'group-position'} = [ $oid_files->{'group-position'} ];
|
---|
958 | }
|
---|
959 |
|
---|
960 | my $infodb_file_handle = &dbutil::open_infodb_write_handle($infodbtype, $doc_db, "append");
|
---|
961 | &dbutil::write_infodb_entry($infodbtype, $infodb_file_handle, $oid, $oid_files);
|
---|
962 | &dbutil::close_infodb_write_handle($infodbtype, $infodb_file_handle);
|
---|
963 |
|
---|
964 | foreach my $rl (keys %$reverse_lookups) {
|
---|
965 | $working_info->add_reverseinfo($rl,$oid);
|
---|
966 | }
|
---|
967 |
|
---|
968 | # meta files not set in reverese entry, but need to set the metadata flag
|
---|
969 | if (defined $doc_obj->get_meta_files()) {
|
---|
970 | foreach my $meta_file_rec(@{$doc_obj->get_meta_files()}) {
|
---|
971 | my $full_file = (ref $meta_file_rec eq "ARRAY") ? $meta_file_rec->[0] : $meta_file_rec;
|
---|
972 | $working_info->set_meta_file_flag($full_file);
|
---|
973 | }
|
---|
974 | }
|
---|
975 | }
|
---|
976 |
|
---|
977 |
|
---|
978 | sub set_sortmeta {
|
---|
979 | my $self = shift (@_);
|
---|
980 | my ($sortmeta, $removeprefix, $removesuffix) = @_;
|
---|
981 |
|
---|
982 | $self->{'sortmeta'} = $sortmeta;
|
---|
983 | if (defined ($removeprefix) && $removeprefix ) {
|
---|
984 | $removeprefix =~ s/^\^//; # don't need a leading ^
|
---|
985 | $self->{'removeprefix'} = $removeprefix;
|
---|
986 | }
|
---|
987 | if (defined ($removesuffix) && $removesuffix) {
|
---|
988 | $removesuffix =~ s/\$$//; # don't need a trailing $
|
---|
989 | $self->{'removesuffix'} = $removesuffix;
|
---|
990 | }
|
---|
991 | }
|
---|
992 |
|
---|
993 |
|
---|
994 |
|
---|
995 | sub open_xslt_pipe
|
---|
996 | {
|
---|
997 | my $self = shift @_;
|
---|
998 | my ($output_file_name, $xslt_file)=@_;
|
---|
999 |
|
---|
1000 | return unless defined $xslt_file and $xslt_file ne "" and &FileUtils::fileExists($xslt_file);
|
---|
1001 |
|
---|
1002 | my $java_class_path = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"bin","java","ApplyXSLT.jar");
|
---|
1003 |
|
---|
1004 | my $mapping_file_path = "";
|
---|
1005 |
|
---|
1006 | if ($ENV{'GSDLOS'} eq "windows"){
|
---|
1007 | $java_class_path .=";".&FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"bin","java","xalan.jar");
|
---|
1008 | # this file:/// bit didn't work for me on windows XP
|
---|
1009 | #$xslt_file = "\"file:///".$xslt_file."\"";
|
---|
1010 | #$mapping_file_path = "\"file:///";
|
---|
1011 | }
|
---|
1012 | else{
|
---|
1013 | $java_class_path .=":".&FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"bin","java","xalan.jar");
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 |
|
---|
1017 | $java_class_path = "\"".$java_class_path."\"";
|
---|
1018 |
|
---|
1019 | my $cmd = "| java -cp $java_class_path org.nzdl.gsdl.ApplyXSLT -t \"$xslt_file\" ";
|
---|
1020 |
|
---|
1021 | if (defined $self->{'mapping_file'} and $self->{'mapping_file'} ne ""){
|
---|
1022 | my $mapping_file_path = "\"".$self->{'mapping_file'}."\"";
|
---|
1023 | $cmd .= "-m $mapping_file_path";
|
---|
1024 | }
|
---|
1025 |
|
---|
1026 | open(*XMLWRITER, $cmd)
|
---|
1027 | or die "can't open pipe to xslt: $!";
|
---|
1028 |
|
---|
1029 |
|
---|
1030 | $self->{'xslt_writer'} = *XMLWRITER;
|
---|
1031 |
|
---|
1032 | print XMLWRITER "<?DocStart?>\n";
|
---|
1033 | print XMLWRITER "$output_file_name\n";
|
---|
1034 |
|
---|
1035 |
|
---|
1036 | }
|
---|
1037 |
|
---|
1038 |
|
---|
1039 | sub close_xslt_pipe
|
---|
1040 | {
|
---|
1041 | my $self = shift @_;
|
---|
1042 |
|
---|
1043 |
|
---|
1044 | return unless defined $self->{'xslt_writer'} ;
|
---|
1045 |
|
---|
1046 | my $xsltwriter = $self->{'xslt_writer'};
|
---|
1047 |
|
---|
1048 | print $xsltwriter "<?DocEnd?>\n";
|
---|
1049 | close($xsltwriter);
|
---|
1050 |
|
---|
1051 | undef $self->{'xslt_writer'};
|
---|
1052 |
|
---|
1053 | }
|
---|
1054 |
|
---|
1055 |
|
---|
1056 |
|
---|
1057 | #the subclass should implement this method if is_group method could return 1.
|
---|
1058 | sub close_group_output{
|
---|
1059 | my $self = shift (@_);
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | sub is_group {
|
---|
1063 | my $self = shift (@_);
|
---|
1064 | return 0;
|
---|
1065 | }
|
---|
1066 |
|
---|
1067 | my $dc_set = { Title => 1,
|
---|
1068 | Creator => 1,
|
---|
1069 | Subject => 1,
|
---|
1070 | Description => 1,
|
---|
1071 | Publisher => 1,
|
---|
1072 | Contributor => 1,
|
---|
1073 | Date => 1,
|
---|
1074 | Type => 1,
|
---|
1075 | Format => 1,
|
---|
1076 | Identifier => 1,
|
---|
1077 | Source => 1,
|
---|
1078 | Language => 1,
|
---|
1079 | Relation => 1,
|
---|
1080 | Coverage => 1,
|
---|
1081 | Rights => 1};
|
---|
1082 |
|
---|
1083 |
|
---|
1084 | # returns an XML representation of the dublin core metadata
|
---|
1085 | # if dc meta is not found, try ex meta
|
---|
1086 | # This method is not used by the DSpacePlugout, which has its
|
---|
1087 | # own method to save its dc metadata
|
---|
1088 | sub get_dc_metadata {
|
---|
1089 | my $self = shift(@_);
|
---|
1090 | my ($doc_obj, $section, $version) = @_;
|
---|
1091 |
|
---|
1092 | # build up string of dublin core metadata
|
---|
1093 | $section="" unless defined $section;
|
---|
1094 |
|
---|
1095 | my $section_ptr = $doc_obj->_lookup_section($section);
|
---|
1096 | return "" unless defined $section_ptr;
|
---|
1097 |
|
---|
1098 |
|
---|
1099 | my $explicit_dc = {};
|
---|
1100 | my $explicit_ex_dc = {};
|
---|
1101 | my $explicit_ex = {};
|
---|
1102 |
|
---|
1103 | my $all_text="";
|
---|
1104 |
|
---|
1105 | # We want high quality dc metadata to go in first, so we store all the
|
---|
1106 | # assigned dc.* values first. Then, for all those dc metadata names in
|
---|
1107 | # the official dc set that are as yet unassigned, we look to see whether
|
---|
1108 | # embedded ex.dc.* metadata has defined some values for them. If not,
|
---|
1109 | # then for the same missing dc metadata names, we look in ex metadata.
|
---|
1110 |
|
---|
1111 | foreach my $data (@{$section_ptr->{'metadata'}}){
|
---|
1112 | my $escaped_value = &docprint::escape_text($data->[1]);
|
---|
1113 | if ($data->[0]=~ m/^dc\./) {
|
---|
1114 | $data->[0] =~ tr/[A-Z]/[a-z]/;
|
---|
1115 |
|
---|
1116 | $data->[0] =~ m/^dc\.(.*)/;
|
---|
1117 | my $dc_element = $1;
|
---|
1118 |
|
---|
1119 | if (!defined $explicit_dc->{$dc_element}) {
|
---|
1120 | $explicit_dc->{$dc_element} = [];
|
---|
1121 | }
|
---|
1122 | push(@{$explicit_dc->{$dc_element}},$escaped_value);
|
---|
1123 |
|
---|
1124 | if (defined $version && ($version eq "oai_dc")) {
|
---|
1125 | $all_text .= " <dc:$dc_element>$escaped_value</dc:$dc_element>\n";
|
---|
1126 | }
|
---|
1127 | else {
|
---|
1128 | # qualifier???
|
---|
1129 | $all_text .= ' <dcvalue element="'. $dc_element.'">'. $escaped_value. "</dcvalue>\n";
|
---|
1130 | }
|
---|
1131 |
|
---|
1132 | } elsif ($data->[0]=~ m/^ex\.dc\./) { # now look through ex.dc.* to fill in as yet unassigned fields in dc metaset
|
---|
1133 | $data->[0] =~ m/^ex\.dc\.(.*)/;
|
---|
1134 | my $ex_dc_element = $1;
|
---|
1135 | my $lc_ex_dc_element = lc($ex_dc_element);
|
---|
1136 |
|
---|
1137 | # only store the ex.dc value for this dc metaname if no dc.* was assigned for it
|
---|
1138 | if (defined $dc_set->{$ex_dc_element}) {
|
---|
1139 | if (!defined $explicit_ex_dc->{$lc_ex_dc_element}) {
|
---|
1140 | $explicit_ex_dc->{$lc_ex_dc_element} = [];
|
---|
1141 | }
|
---|
1142 | push(@{$explicit_ex_dc->{$lc_ex_dc_element}},$escaped_value);
|
---|
1143 | }
|
---|
1144 | }
|
---|
1145 | elsif (($data->[0] =~ m/^ex\./) || ($data->[0] !~ m/\./)) { # look through ex. meta (incl. meta without prefix)
|
---|
1146 | $data->[0] =~ m/^(ex\.)?(.*)/;
|
---|
1147 | my $ex_element = $2;
|
---|
1148 | my $lc_ex_element = lc($ex_element);
|
---|
1149 |
|
---|
1150 | if (defined $dc_set->{$ex_element}) {
|
---|
1151 | if (!defined $explicit_ex->{$lc_ex_element}) {
|
---|
1152 | $explicit_ex->{$lc_ex_element} = [];
|
---|
1153 | }
|
---|
1154 | push(@{$explicit_ex->{$lc_ex_element}},$escaped_value);
|
---|
1155 | }
|
---|
1156 | }
|
---|
1157 | }
|
---|
1158 |
|
---|
1159 | # go through dc_set and for any element *not* defined in explicit_dc
|
---|
1160 | # that does exist in explicit_ex, add it in as metadata
|
---|
1161 | foreach my $k ( keys %$dc_set ) {
|
---|
1162 | my $lc_k = lc($k);
|
---|
1163 |
|
---|
1164 | if (!defined $explicit_dc->{$lc_k}) {
|
---|
1165 | # try to find if ex.dc.* defines this dc.* meta,
|
---|
1166 | # if not, then look for whether there's an ex.* equivalent
|
---|
1167 |
|
---|
1168 | if (defined $explicit_ex_dc->{$lc_k}) {
|
---|
1169 | foreach my $v (@{$explicit_ex_dc->{$lc_k}}) {
|
---|
1170 | my $dc_element = $lc_k;
|
---|
1171 | my $escaped_value = $v;
|
---|
1172 |
|
---|
1173 | if (defined $version && ($version eq "oai_dc")) {
|
---|
1174 | $all_text .= " <dc:$dc_element>$escaped_value</dc:$dc_element>\n";
|
---|
1175 | }
|
---|
1176 | else {
|
---|
1177 | $all_text .= ' <dcvalue element="'. $dc_element.'">'. $escaped_value. "</dcvalue>\n";
|
---|
1178 | }
|
---|
1179 | }
|
---|
1180 | } elsif (defined $explicit_ex->{$lc_k}) {
|
---|
1181 | foreach my $v (@{$explicit_ex->{$lc_k}}) {
|
---|
1182 | my $dc_element = $lc_k;
|
---|
1183 | my $escaped_value = $v;
|
---|
1184 |
|
---|
1185 | if (defined $version && ($version eq "oai_dc")) {
|
---|
1186 | $all_text .= " <dc:$dc_element>$escaped_value</dc:$dc_element>\n";
|
---|
1187 | }
|
---|
1188 | else {
|
---|
1189 | $all_text .= ' <dcvalue element="'. $dc_element.'">'. $escaped_value. "</dcvalue>\n";
|
---|
1190 | }
|
---|
1191 | }
|
---|
1192 | }
|
---|
1193 | }
|
---|
1194 | }
|
---|
1195 |
|
---|
1196 | if ($all_text eq "") {
|
---|
1197 | $all_text .= " There is no Dublin Core metatdata in this document\n";
|
---|
1198 | }
|
---|
1199 | $all_text =~ s/[\x00-\x09\x0B\x0C\x0E-\x1F]//g;
|
---|
1200 |
|
---|
1201 | return $all_text;
|
---|
1202 | }
|
---|
1203 |
|
---|
1204 | # Build up dublin_core metadata. Priority given to dc.* over ex.*
|
---|
1205 | # This method was apparently added by Jeffrey and committed by Shaoqun.
|
---|
1206 | # But we don't know why it was added, so not using it anymore.
|
---|
1207 | sub new_get_dc_metadata {
|
---|
1208 |
|
---|
1209 | my $self = shift(@_);
|
---|
1210 | my ($doc_obj, $section, $version) = @_;
|
---|
1211 |
|
---|
1212 | # build up string of dublin core metadata
|
---|
1213 | $section="" unless defined $section;
|
---|
1214 |
|
---|
1215 | my $section_ptr=$doc_obj->_lookup_section($section);
|
---|
1216 | return "" unless defined $section_ptr;
|
---|
1217 |
|
---|
1218 | my $all_text = "";
|
---|
1219 | foreach my $data (@{$section_ptr->{'metadata'}}){
|
---|
1220 | my $escaped_value = &docprint::escape_text($data->[1]);
|
---|
1221 | my $dc_element = $data->[0];
|
---|
1222 |
|
---|
1223 | my @array = split('\.',$dc_element);
|
---|
1224 | my ($type,$name);
|
---|
1225 |
|
---|
1226 | if(defined $array[1])
|
---|
1227 | {
|
---|
1228 | $type = $array[0];
|
---|
1229 | $name = $array[1];
|
---|
1230 | }
|
---|
1231 | else
|
---|
1232 | {
|
---|
1233 | $type = "ex";
|
---|
1234 | $name = $array[0];
|
---|
1235 | }
|
---|
1236 |
|
---|
1237 | $all_text .= ' <Metadata Type="'. $type.'" Name="'.$name.'">'. $escaped_value. "</Metadata>\n";
|
---|
1238 | }
|
---|
1239 | return $all_text;
|
---|
1240 | }
|
---|
1241 |
|
---|
1242 |
|
---|
1243 | 1;
|
---|