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<?php
/**
* EasyRdf
*
* LICENSE
*
* Copyright (c) 2009-2010 Nicholas J Humfrey. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author 'Nicholas J Humfrey" may be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package EasyRdf
* @copyright Copyright (c) 2009-2010 Nicholas J Humfrey
* @license http://www.opensource.org/licenses/bsd-license.php
* @version $Id$
*/
/**
* Class to serialise an EasyRdf_Graph to RDF/PHP
* with no external dependancies.
*
* @package EasyRdf
* @copyright Copyright (c) 2009-2010 Nicholas J Humfrey
* @license http://www.opensource.org/licenses/bsd-license.php
*/
class EasyRdf_Serialiser_RdfPhp extends EasyRdf_Serialiser
{
/**
* Method to serialise an EasyRdf_Graph to RDF/PHP
*
* http://n2.talis.com/wiki/RDF_PHP_Specification
*
* @param object EasyRdf_Graph $graph An EasyRdf_Graph object.
* @param string $format The name of the format to convert to.
* @return string The RDF in the new desired format.
*/
public function serialise($graph, $format)
{
parent::checkSerialiseParams($graph, $format);
if ($format != 'php') {
throw new EasyRdf_Exception(
"EasyRdf_Serialiser_RdfPhp does not support: $format"
);
}
// Graph is already stored an RDF/PHP resource-centric array internally within the EasyRdf_Graph object
return $graph->toArray();
}
}