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Man Pages


Manual Reference Pages  -  NET::TRACKBACK::DATA (3)

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NAME

Net::Trackback::Data - an object representing Trackback data to a pingable resource.

CONTENTS

SYNOPSIS



 use Net::Trackback::Data;
 my $data = Net::Trackback::Data->new();
 $data->url(http://www.timaoutloud.org/archives/000206.html);
 $data->ping(http://www.timaoutloud.org/cgi/mt/mt-tb.cgi/105);
 $data->title(The Next Generation of TrackBack: A Proposal);
 $data->description(I thought it would be helpful to draft some
    suggestions for consideration for the next generation (NG)
    of the interface.);
 print $data->to_rdf."\n";



METHODS

Net::Trackback::Data->new([$hashref]) Constuctor method. It will initialize the object if passed a hash reference. Recognized keys are title, identifier, subject, description, creator, date, source, publisher, contributor, type, format, language, relation, coverage, rights and ping. (These are all the Dublin Core Metadata Element Set except for ping of course.) These keys correspond to the methods like named methods.
Net::Trackback::Data->parse($rdf) A method that parses (albeit crude using regex) Trackback data from a string of RDF and returns a data object. In the event a bad or incomplete data has been passed in the method will return undef. The error message can be retreived with the errstr method. One required parameter, a string containing RDF. See the list of recognized keys in the new method.

<B>NOTE:B> This module does not use a XML or RDF parser therefore namespaces are not handled properly. The prefixes are assumed to be fixed to a specific URI. This is consistent with the reference implementation standalone Trackback code in which the module was originally based.

$data->identifier([$url]) Accessor to the resource’s URL that can be pinged. A value is required for Trackback clients to process the data. If an optional parameter is passed in the value is set.
$data->ping([$url]) Accessor to the ping URL of the resource. A value is required for Trackback clients to process the data. If an optional parameter is passed in the value is set.
$data->title([$title])
$data->subject([$subject])
$data->description([$description])
$data->creator([$creator])
$data->date([$date])
$data->source([$source])
$data->publisher([$publisher])
$data->contributor([$contributor])
$data->type([$type])
$data->format([$format])
$data->language([$language])
$data->relation([$relation])
$data->coverage([$coverage])
$data->rights([$rights]) Accessor methods to the remaining Dublin Core Metadata Element Set. If an optional parameter is passed in the value is set. All are optional for Trackback client discovery. Use as needed. (Title and description are highly recommended by this modules author.)
$data->to_hash Returns a hash of the object’s current state.
$data->to_rdf Returns an RDF representation of the object metadata that can be inserted into an (X)HTML page for discovery by Trackback clients.

    Errors

This module is a subclass of Class::ErrorHandler and inherits two methods for passing error message back to a caller.
Class->error($message)
$object->error($message) Sets the error message for either the class Class or the object $object to the message $message. Returns undef.
Class->errstr
$object->errstr Accesses the last error message set in the class Class or the object $object, respectively, and returns that error message.

SEE ALSO

Dublin Core Metadata Element Set, Version 1.1: Reference Description <http://dublincore.org/documents/dces/>

TrackBack Module for RSS 1.0/2.0: <http://madskills.com/public/xml/rss/module/trackback/>

AUTHOR & COPYRIGHT

Please see the Net::Trackback manpage for author, copyright, and license information.

POD ERRORS

Hey! <B>The above document had some coding errors, which are explained below:B>
Around line 98: =begin without a target?
Around line 119: ’=item’ outside of any ’=over’
Around line 198: You forgot a ’=back’ before ’=head2’
Around line 203: ’=item’ outside of any ’=over’
Around line 217: You forgot a ’=back’ before ’=head1’
Around line 232: ’=end’ without a target?
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perl v5.20.3 NET::TRACKBACK::DATA (3) 2004-12-24

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