NAME

Plack::App::DAIA - DAIA Server as Plack application

VERSION

version 0.3

SYNOPSIS

package Your::App;
use parent 'Plack::App::DAIA';

sub retrieve {
    my ($self, $id) = @_;
    my $daia = DAIA::Response->new();

    # construct DAIA object

    return $daia;
};

1;

DESCRIPTION

This module implements a DAIA server as PSGI application. It provides serialization in DAIA/XML and DAIA/JSON and automatically adds some warnings and error messages. The core functionality must be implemented by deriving from this class and implementing the method retrieve. The following serialization formats are supported by default:

xml

DAIA/XML format (default)

json

DAIA/JSON format

rdfjson

DAIA/RDF in RDF/JSON.

In addition you get DAIA/RDF in several RDF formats (rdfxml, turtle, and ntriples if RDF::Trine is installed. If RDF::NS is installed, you also get known namespace prefixes for RDF/Turtle format. Furthermore the output formats svg and dot are supported if RDF::Trine::Exporter::GraphViz is installed to visualize RDF graphs.

METHODS

new ( [%options] )

Creates a new DAIA server. Known options are

xslt

Path of a DAIA XSLT client to attach to DAIA/XML responses.

xsd

Path of a DAIA XML Schema to validate DAIA/XML response.

warnings

Enable warnings in the DAIA response (enabled by default).

retrieve ( $id )

Must return a status and a DAIA::Response object. Override this method if you derive an application from Plack::App::DAIA.

as_psgi ( $status, $daia [, $format [, $callback ] ] )

Serializes a DAIA::Response in some DAIA serialization format (xml by default) and returns a a PSGI response with given HTTP status code.

call

Core method of the Plack::Component. You should not need to override this.

SEE ALSO

Plack::App::DAIA::Validator

AUTHOR

Jakob Voss

COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Jakob Voss.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.