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<?php
/**
* Open Document Definition Handler.
* This file acts as the endpoint for ODD UUID url requests, exporting the requested data as an
* ODD XML file.
*
* @package Elgg
* @subpackage ODD
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Marcus Povey <marcus@dushka.co.uk>
* @copyright Curverider Ltd 2008
* @link http://elgg.org/
*/
require_once("../engine/start.php");
// Get input values, these will be mapped via modrewrite
$guid = get_input("guid"); // guid of the entity
// For attributes eg http://example.com/odd/73/attr/owner_uuid/ or http://example.com/odd/73/metadata/86/
$type = get_input("type"); // attr, metadata, annotation
$id_or_name = get_input("idname"); // Either a number or the key name (if attribute)
$owner = page_owner(); // Obvious
if (
($guid!="") &&
($type=="") &&
($id_or_name=="")
)
{
// Only export the GUID, easy.
$export = export($guid);
header("Content-Type: text/xml");
echo $export;
}
else if (
($guid!="") &&
($type!="") &&
($id_or_name!="")
)
{
// Outputting an individual attribute
$odd = "";
$entity = get_entity($guid);
$uuid = guid_to_uuid($entity->getGUID());
if (!$entity) throw new InvalidParameterException("Could not find an entity matching query.");
switch ($type)
{
case 'attr' : // TODO: Do this better
$odd = new ODDMetaData($uuid . "attr/$id_or_name/", $uuid, $id_or_name, $entity->get($id_or_name));
break;
case 'metadata' :
$m = get_metadata($id_or_name);
if (!$m)
throw new InvalidParameterException("Could not find specified item of metadata");
if ($m->entity_guid!=$entity->guid)
throw new InvalidParameterException("Does not belong to entity.");
$odd = new ODDMetaData($uuid . "metadata/$id_or_name/", $uuid, $id_or_name, $m->value);
break;
case 'annotation' :
$m = get_annotation($id_or_name);
if (!$m)
throw new InvalidParameterException("Could not find specified annotation");
if ($m->entity_guid!=$entity->guid)
throw new InvalidParameterException("Does not belong to entity.");
$odd = new ODDMetaData($uuid . "annotation/$id_or_name/", $uuid, $id_or_name, $m->value);
break;
default :
throw new InvalidParameterException("Sorry, I don't know how to export '$type'");
}
// echo it
header("Content-Type: text/xml");
echo "<odd>\n";
echo new ODDHeader();
echo "$odd";
echo "</odd>\n";
}
else
throw new InvalidParameterException("Missing parmeter, you need to provide a GUID ");
?>
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