1 | ###########################################################################
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2 | #
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3 | # AllList.pm -- Creates a single list of all documents. Use by the oaiserver.
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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) 2005 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 AllList;
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27 |
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28 | use BaseClassifier;
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29 |
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30 | use strict;
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31 | no strict 'refs'; # allow filehandles to be variables and viceversa
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32 |
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33 | sub BEGIN {
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34 | @AllList::ISA = ('BaseClassifier');
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35 | }
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36 |
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37 | my $arguments =
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38 | [
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39 | ];
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40 |
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41 | my $options = { 'name' => "AllList",
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42 | 'desc' => "{AllList.desc}",
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43 | 'abstract' => "yes", # hide from gli
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44 | 'inherits' => "yes" };
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45 |
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46 | sub new {
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47 | my ($class) = shift (@_);
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48 | my ($classifierslist,$inputargs,$hashArgOptLists) = @_;
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49 | push(@$classifierslist, $class);
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50 |
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51 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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52 | push(@{$hashArgOptLists->{"OptList"}},$options);
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53 |
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54 | my $self = new BaseClassifier($classifierslist, $inputargs, $hashArgOptLists);
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55 |
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56 | if ($self->{'info_only'}) {
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57 | # don't worry about any options etc
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58 | return bless $self, $class;
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59 | }
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60 |
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61 | # Manually set $self parameters.
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62 | $self->{'list'} = [];
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63 | $self->{'buttonname'} = "All Documents";
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64 |
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65 | return bless $self, $class;
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66 | }
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67 |
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68 | sub init {
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69 | my $self = shift (@_);
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70 | }
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71 |
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72 | sub classify {
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73 | my $self = shift (@_);
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74 | my ($doc_obj) = @_;
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75 |
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76 | my $doc_OID = $doc_obj->get_OID();
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77 |
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78 | push (@{$self->{'list'}}, $doc_OID);
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79 |
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80 | return;
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81 | }
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82 |
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83 | sub get_classify_info {
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84 | my $self = shift(@_);
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85 | my ($no_thistype) = @_;
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86 |
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87 | my %classifyinfo = ('childtype' =>'VList',
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88 | 'Title' =>$self->{'buttonname'},
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89 | 'contains' =>[],
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90 | 'classifyOID' =>"oai");
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91 | $classifyinfo{'thistype'} = 'Invisible';
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92 | my @list = @{$self->{'list'}};
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93 |
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94 | my $seqNo = 0;
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95 | foreach my $OID (@list) {
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96 | my $hashref={};
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97 | $hashref->{'OID'}=$OID;
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98 |
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99 | my %tempinfo=('childtype'=>'VList',
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100 | 'Title'=>$self->{'buttonname'},
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101 | 'classifyOID' =>"oai.$seqNo",
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102 | 'contains' =>[]);
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103 |
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104 | push (@{$tempinfo{'contains'}}, $hashref);
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105 |
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106 | push (@{$classifyinfo{'contains'}}, \%tempinfo);
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107 | $seqNo ++;
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108 | }
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109 |
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110 | return \%classifyinfo;
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111 | }
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