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.\" ========================================================================
.\"
.IX Title "Catmandu::Store::VIAF 3pm"
.TH Catmandu::Store::VIAF 3pm "2023-02-04" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Catmandu::Store::VIAF \- Retrieve items from VIAF
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 10
\&    # From the command line
\&    $ catmandu export VIAF \-\-id 102333412 to YAML
\&    \-\-\-
\&    dcterms:identifier: \*(Aq102333412\*(Aq
\&    guid: http://viaf.org/viaf/102333412
\&    schema:birthDate: 1775\-12\-16
\&    schema:deathDate: 1817\-07\-18
\&    schema:description: English novelist
\&    skos:prefLabel: Jane Austen
\&    ...
\&
\&    # From a Catmandu Fix
\&    lookup_in_store(
\&        objectName,    # objectName is a field containing the VIAF identifier
\&        VIAF
\&    )
\&
\&    # From Perl code
\&    use Catmandu;
\&
\&    my $store = Catmandu\->store(\*(AqVIAF\*(Aq)\->bag;
\&
\&    my $item = $store\->get(\*(Aq102333412\*(Aq);
\&
\&    print $item\->{\*(Aqskos:prefLabel\*(Aq} , "\en";  # Jane Austen
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
A Catmandu::Store::VIAF is a Perl package that can query the <VIAF|http://viaf.org/>
authority file.
.PP
This store supports only one method \f(CW\*(C`get\*(C'\fR to retrieve an \s-1AAT\s0 record by its identifier
.SH "CONFIGURATION"
.IX Header "CONFIGURATION"
.SS "lang"
.IX Subsection "lang"
The \f(CW\*(C`lang\*(C'\fR parameter is optional and defaults to \fInl-NL\fR. It sets
the language of the returned \fIprefLabel\fR. If no \fIprefLabel\fR for the
\&\fIviaf_id\fR in provided \fIlang\fR exists, the \fIprefLabel\fR for the
\&\fIfallback_lang\fR is used.
.SS "fallback_lang"
.IX Subsection "fallback_lang"
Optional. Default \fIen-US\fR.
.SH "METHODS"
.IX Header "METHODS"
.SS "new(%configuration)"
.IX Subsection "new(%configuration)"
Create a new Catmandu::Store::VIAF
.SS "get($id)"
.IX Subsection "get($id)"
Retrieve a \s-1VIAF\s0 record given an identifier. Returns a record like:
.PP
.Vb 8
\&  {
\&    \*(Aqdcterms:identifier\*(Aq => \*(AqThe identifier\*(Aq,
\&    \*(Aqguid\*(Aq               => \*(AqThe VIAF URL\*(Aq,
\&    \*(Aqschema:birthDate\*(Aq   => \*(AqBirth date, if provided\*(Aq,
\&    \*(Aqschema:deathDate\*(Aq   => \*(AqDeath date, if provided\*(Aq,
\&    \*(Aqschema:description\*(Aq => \*(AqDescription, if provided\*(Aq,
\&    \*(Aqskos:prefLabel\*(Aq     => \*(AqprefLabel, in lang or fallback_lang\*(Aq
\&  }
.Ve
.SS "\fBadd()\fP"
.IX Subsection "add()"
Not supported
.SS "\fBdelete()\fP"
.IX Subsection "delete()"
Not supported
.SS "\fBeach()\fP"
.IX Subsection "each()"
Not supported
.SH "AUTHOR"
.IX Header "AUTHOR"
Pieter De Praetere <pieter at packed.be >
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2017\- \s-1PACKED\s0 vzw
.SH "LICENSE"
.IX Header "LICENSE"
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Catmandu
Catmandu::VIAF
Catmandu::Fix::viaf_search
Catmandu::Fix::viaf_match