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.\" ========================================================================
.\"
.IX Title "RDF::vCard::Importer 3pm"
.TH RDF::vCard::Importer 3pm "2021-01-07" "perl v5.32.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
RDF::vCard::Importer \- import RDF data from vCard format
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\& use RDF::vCard;
\& use RDF::TrineShortcuts qw\*(Aq:all\*(Aq;
\& 
\& my $importer = RDF::vCard::Importer\->new;
\& print $_
\&        foreach $importer\->import_file(\*(Aqcontacts.vcf\*(Aq);
\& print rdf_string($importer\->model => \*(AqRDFXML\*(Aq);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module reads vCards and writes \s-1RDF.\s0
.SS "Constructor"
.IX Subsection "Constructor"
.IP "\(bu" 4
\&\f(CW\*(C`new(%options)\*(C'\fR
.Sp
Returns a new RDF::vCard::Importer object and initialises it.
.Sp
The only valid option currently is \fBua\fR which can be set to an LWP::UserAgent
for those rare occasions that the Importer needs to fetch stuff from the Web.
.SS "Methods"
.IX Subsection "Methods"
.IP "\(bu" 4
\&\f(CW\*(C`init\*(C'\fR
.Sp
Reinitialise the importer. Forgets any cards that have already been imported.
.IP "\(bu" 4
\&\f(CW\*(C`model\*(C'\fR
.Sp
Return an RDF::Trine::Model containing data for all cards that have been
imported since the importer was last initialised.
.IP "\(bu" 4
\&\f(CW\*(C`import_file($filename, %options)\*(C'\fR
.Sp
Imports vCard data from a file on the file system.
.Sp
The data is added to the importer's model (and can be retrieved using the
\&\f(CW\*(C`model\*(C'\fR method).
.Sp
This function returns a list of RDF::vCard::Entity objects, so it's
also possible to access the data that way.
.Sp
There is currently only one supported option: \f(CW\*(C`lang\*(C'\fR which takes an
\&\s-1ISO\s0 language code indicating the default language of text within the vCard
data.
.IP "\(bu" 4
\&\f(CW\*(C`import_fh($filehandle, %options)\*(C'\fR
.Sp
As per \f(CW\*(C`import_file\*(C'\fR, but operates on a file handle.
.IP "\(bu" 4
\&\f(CW\*(C`import_string($string, %options)\*(C'\fR
.Sp
As per \f(CW\*(C`import_file\*(C'\fR, but operates on vCard data in a string.
.IP "\(bu" 4
\&\f(CW\*(C`import_url($url)\*(C'\fR
.Sp
As per \f(CW\*(C`import_file\*(C'\fR, but fetches vCard data from a Web address.
.Sp
Sends an \s-1HTTP\s0 Accept header of:
.Sp
.Vb 4
\&  text/directory;profile=vCard,
\&  text/vcard,
\&  text/x\-vcard,
\&  text/directory;q=0.1
.Ve
.SS "vCard Input"
.IX Subsection "vCard Input"
vCard 3.0 should be supported fairly completely. Some vCard 4.0 constructs
will also work.
.PP
Much of the heavy lifting is performed by Text::vFile::asData, so this
module may be affected by bugs in that distribution.
.SS "\s-1RDF\s0 Output"
.IX Subsection "RDF Output"
Output uses the newer of the 2010 revision of the W3C's vCard vocabulary
<http://www.w3.org/Submission/vcard\-rdf/>. (Note that even though this
was revised in 2010, the term URIs include \*(L"2006\*(R" in them.)
.PP
Some extensions from the namespace <http://buzzword.org.uk/rdf/vcardx#>
are also output.
.PP
The \s-1AGENT\s0 property is currently omitted from output. This will be added
in a later version.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
RDF::vCard.
.PP
<http://www.w3.org/Submission/vcard\-rdf/>.
.PP
<http://www.perlrdf.org/>.
.SH "AUTHOR"
.IX Header "AUTHOR"
Toby Inkster <tobyink@cpan.org>.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2011 Toby Inkster
.PP
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.