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package SRU::Request; |
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{ |
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$SRU::Request::VERSION = '1.01'; |
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} |
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#ABSTRACT: Factories for creating SRU request objects. |
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33349
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use strict; |
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use warnings; |
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4143
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use URI; |
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13744
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1457
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use SRU::Request::Explain; |
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1365
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use SRU::Request::SearchRetrieve; |
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use SRU::Request::Scan; |
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use SRU::Utils qw( error ); |
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1125
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use SRU::Utils::XML qw( escape ); |
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use Scalar::Util qw(reftype); |
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1841
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our %PARAMETERS = ( |
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'explain' => |
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[qw(version recordPacking stylesheet extraRequestData)], |
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'scan' => |
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[qw(version scanClause responsePosition maximumTerms stylesheet |
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extraRequestData)], |
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'searchRetrieve' => |
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[qw(version query startRecord maximumRecords recordPacking recordSchema |
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recordXPath resultSetTTL sortKeys stylesheet extraRequestData)] |
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); |
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sub new { |
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4091
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my $class = shift; |
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my %query; |
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if ( @_ % 2 ) { |
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my $q = shift; |
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if ( UNIVERSAL::isa( $q, 'CGI' ) ) { |
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## we must have ampersands between query string params, but lets |
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## make sure we don't screw anybody else up |
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my $saved = $CGI::USE_PARAM_SEMICOLONS; |
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$CGI::USE_PARAM_SEMICOLONS = 0; |
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$q = $q->self_url; |
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5361
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$CGI::USE_PARAM_SEMICOLONS = $saved; |
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} elsif ( (reftype $q // '') eq 'HASH' ) { |
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$q = "http://example.org/?" . $q->{QUERY_STRING}; |
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} |
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if ( ! UNIVERSAL::isa( $q, 'URI' ) ) { |
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$q = URI->new($q); |
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} |
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28244
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if ( UNIVERSAL::isa( $q, 'URI' ) ) { |
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158
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%query = $q->query_form; |
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} else { |
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0
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return error( "invalid uri: $q" ) |
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} |
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} else { |
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%query = @_; |
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} |
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864
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my $operation = $query{operation} || 'explain'; |
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my $request; |
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if ( $operation eq 'scan' ) { |
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$request = SRU::Request::Scan->new( %query ); |
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} elsif ( $operation eq 'searchRetrieve' ) { |
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1
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$request = SRU::Request::SearchRetrieve->new( %query ); |
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} elsif ( $operation eq 'explain' ) { |
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1
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$request = SRU::Request::Explain->new( %query ); |
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} else { |
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0
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$request = SRU::Request::Explain->new( %query ); |
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$request->missingOperator(1); |
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} |
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return $request; |
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} |
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*newFromURI = *new; |
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*newFromCGI = *new; |
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83
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sub asXML { |
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my $self = shift; |
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86
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## extract the type of request from the type of object |
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my ($type) = ref($self) =~ /^SRU::Request::(.*)$/; |
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$type = "echoed${type}Request"; |
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## build the xml |
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my $xml = "<$type>"; |
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## add xml for each param if it is available |
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foreach my $param ( $self->validParams() ) { |
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$xml .= "<$param>" . escape($self->$param) . "$param>" |
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if $self->$param; |
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} |
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## add XCQL if appropriate |
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0
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if ( $self->can( 'cql' ) ) { |
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my $cql = $self->cql(); |
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if ( $cql ) { |
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my $xcql = $cql->toXCQL(0); |
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chomp( $xcql ); |
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$xcql =~ s/>\n *>
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$xml .= "$xcql"; |
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} |
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} |
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$xml .= "$type>"; |
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return $xml; |
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} |
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113
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114
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sub asURI { |
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6
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1
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252
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my ($self, $base) = @_; |
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100
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my $uri = URI->new($base // "http://localhost/"); |
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329
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my %query = $uri->query_form; |
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120
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$query{operation} = $self->type; |
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2
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56
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no strict 'refs'; |
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2
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387
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123
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foreach (@{ $PARAMETERS{ $self->type } }) { |
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124
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100
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776
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$query{$_} = $self->$_ if defined $self->$_; |
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} |
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127
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93
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$uri->query_form( \%query ); |
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1161
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return $uri; |
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} |
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133
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sub type { |
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1
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my $self = shift; |
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my $class = ref $self || $self; |
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59
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return lcfirst( ( split( '::', $class ) )[ -1 ] ); |
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} |
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139
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1; |
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141
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__END__ |