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package Net::OAI::ResumptionToken; |
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use strict; |
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use base qw( XML::SAX::Base ); |
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use Carp qw( carp ); |
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=head1 NAME |
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Net::OAI::ResumptionToken - An OAI-PMH resumption token. |
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=head1 SYNOPSIS |
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=head1 DESCRIPTION |
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This SAX filter records resumption token elements. |
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=head1 METHODS |
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=head2 new() |
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=cut |
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sub new { |
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my ( $class, %opts ) = @_; |
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my $self = bless \%opts, ref( $class ) || $class; |
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$self->{ _insideResumptionToken } = 0; |
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$self->{ token } = $self->{ expirationDate } = $self->{ completeListSize } = $self->{ cursor } = undef; |
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return( $self ); |
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} |
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=head2 token() |
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(Sets and) returns the contents of the resumptionToken element. |
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All methods return C if no token was encountered. |
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=cut |
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sub token { |
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my ( $self, $token ) = @_; |
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if ( $token ) { $self->{ token } = $token; } |
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return( $self->{ resumptionTokenText } ); |
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} |
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=head2 expirationDate() |
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=cut |
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sub expirationDate { |
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my ( $self, $date ) = @_; |
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if ( $date ) { $self->{ expirationDate } = $date; } |
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return( $self->{ expirationDate } ); |
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} |
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=head2 completeListSize() |
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=cut |
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sub completeListSize { |
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my ( $self, $size ) = @_; |
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if ( $size ) { $self->{ completeListSize } = $size; } |
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return( $self->{ completeListSize } ); |
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} |
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=head2 cursor() |
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=cut |
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sub cursor { |
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my ( $self, $cursor ) = @_; |
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if ( $cursor ) { $self->{ cursor } = $cursor; } |
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return( $self->{ cursor } ); |
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} |
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=head1 AUTHORS |
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Ed Summers |
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=cut |
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## internal stuff |
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## all children of Net::OAI::Base should call this to make sure |
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## certain object properties are set |
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sub start_prefix_mapping { |
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my ($self, $mapping) = @_; |
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die "rT: self not defined" unless defined $self; |
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return $self->SUPER::start_prefix_mapping( $mapping ) if $self->get_handler(); |
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die "rT: start_prefix_mapping @{[$mapping]} w/o Handler"; |
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} |
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sub start_element { |
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66594
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my ( $self, $element ) = @_; |
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return $self->SUPER::start_element( $element ) unless $element->{NamespaceURI} eq Net::OAI::Harvester::XMLNS_OAI; |
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32217
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if ( $element->{ LocalName } eq 'resumptionToken' ) { |
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my $attr = $element->{ Attributes }; |
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$self->{ expirationDate } = $attr->{ '{}expirationDate' }{ Value } if $attr->{ '{}expirationDate' }; |
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$self->{ completeListSize } = $attr->{ '{}completeListSize' }{ Value } if $attr->{ '{}completeListSize' }; |
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$self->{ cursor } = $attr->{ '{}cursor' }{ Value } if $attr->{ '{}cursor' }; |
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$self->{ resumptionTokenText } = ""; |
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$self->{ _insideResumptionToken } = 1; |
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} elsif ( $self->{ _insideResumptionToken } ) { |
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carp "start of unhandled subelement ".$element->{ Name }." within resumptionToken"; |
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} else { |
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32205
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$self->SUPER::start_element( $element ); |
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} |
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} |
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sub end_element { |
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my ( $self, $element ) = @_; |
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return $self->SUPER::end_element( $element ) unless $element->{NamespaceURI} eq Net::OAI::Harvester::XMLNS_OAI; |
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if ( $element->{ LocalName } eq 'resumptionToken' ) { |
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Net::OAI::Harvester::debug( "caught resumption token" ); |
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$self->{ _insideResumptionToken } = 0; |
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} elsif ( $self->{ _insideResumptionToken } ) { |
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carp "end of unhandled subelement ".$element->{ Name }." within resumptionToken"; |
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} else { |
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$self->SUPER::end_element( $element ); |
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} |
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} |
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sub characters { |
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my ( $self, $characters ) = @_; |
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140636
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if ( $self->{ _insideResumptionToken } ) { |
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$self->{ resumptionTokenText } .= $characters->{ Data }; |
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} else { |
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$self->SUPER::characters( $characters ); |
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} |
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} |
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1; |
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