--- /dev/null
+<?php
+
+/**
+ * EasyRdf
+ *
+ * LICENSE
+ *
+ * Copyright (c) 2009-2013 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) 2009-2013 Nicholas J Humfrey
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ */
+
+/**
+ * Class to serialise RDF using the ARC2 library.
+ *
+ * @package EasyRdf
+ * @copyright Copyright (c) 2009-2013 Nicholas J Humfrey
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ */
+class EasyRdf_Serialiser_Arc extends EasyRdf_Serialiser_RdfPhp
+{
+ private static $supportedTypes = array(
+ 'rdfxml' => 'RDFXML',
+ 'turtle' => 'Turtle',
+ 'ntriples' => 'NTriples',
+ 'posh' => 'POSHRDF'
+ );
+
+ /**
+ * Constructor
+ *
+ * @return object EasyRdf_Serialiser_Arc
+ */
+ public function __construct()
+ {
+ require_once 'arc/ARC2.php';
+ }
+
+ /**
+ * Serialise an EasyRdf_Graph into RDF format of choice.
+ *
+ * @param EasyRdf_Graph $graph An EasyRdf_Graph object.
+ * @param string $format The name of the format to convert to.
+ * @param array $options
+ * @throws EasyRdf_Exception
+ * @return string The RDF in the new desired format.
+ */
+ public function serialise($graph, $format, array $options = array())
+ {
+ parent::checkSerialiseParams($graph, $format);
+
+ if (array_key_exists($format, self::$supportedTypes)) {
+ $className = self::$supportedTypes[$format];
+ } else {
+ throw new EasyRdf_Exception(
+ "EasyRdf_Serialiser_Arc does not support: $format"
+ );
+ }
+
+ $serialiser = ARC2::getSer($className);
+ if ($serialiser) {
+ return $serialiser->getSerializedIndex(
+ parent::serialise($graph, 'php')
+ );
+ } else {
+ throw new EasyRdf_Exception(
+ "ARC2 failed to get a $className serialiser."
+ );
+ }
+ }
+}
+
+EasyRdf_Format::register('posh', 'poshRDF');