public function getUpdatesFromExtension($url)
{
// Initialise
$ret = array();
// Get and parse the XML source
$container = Container::getInstance('com_FOOBAR');
$downloader = new Download($container);
$xmlSource = $downloader->getFromURL($url);
try {
$xml = new SimpleXMLElement($xmlSource, LIBXML_NONET);
} catch (Exception $e) {
return $ret;
}
// Sanity check
if ($xml->getName() != 'updates') {
unset($xml);
return $ret;
}
// Let's populate the list of updates
/** @var SimpleXMLElement $update */
foreach ($xml->children() as $update) {
// Sanity check
if ($update->getName() != 'update') {
continue;
}
$entry = array('infourl' => array('title' => '', 'url' => ''), 'downloads' => array(), 'tags' => array(), 'targetplatform' => array());
$properties = get_object_vars($update);
foreach ($properties as $nodeName => $nodeContent) {
switch ($nodeName) {
default:
$entry[$nodeName] = $nodeContent;
break;
case 'infourl':
case 'downloads':
case 'tags':
case 'targetplatform':
break;
}
}
$infourlNode = $update->xpath('infourl');
$entry['infourl']['title'] = (string) $infourlNode[0]['title'];
$entry['infourl']['url'] = (string) $infourlNode[0];
$downloadNodes = $update->xpath('downloads/downloadurl');
foreach ($downloadNodes as $downloadNode) {
$entry['downloads'][] = array('type' => (string) $downloadNode['type'], 'format' => (string) $downloadNode['format'], 'url' => (string) $downloadNode);
}
$tagNodes = $update->xpath('tags/tag');
foreach ($tagNodes as $tagNode) {
$entry['tags'][] = (string) $tagNode;
}
/** @var SimpleXMLElement[] $targetPlatformNode */
$targetPlatformNode = $update->xpath('targetplatform');
$entry['targetplatform']['name'] = (string) $targetPlatformNode[0]['name'];
$entry['targetplatform']['version'] = (string) $targetPlatformNode[0]['version'];
$client = $targetPlatformNode[0]->xpath('client');
$entry['targetplatform']['client'] = is_array($client) && count($client) ? (string) $client[0] : '';
$folder = $targetPlatformNode[0]->xpath('folder');
$entry['targetplatform']['folder'] = is_array($folder) && count($folder) ? (string) $folder[0] : '';
$ret[] = $entry;
}
unset($xml);
return $ret;
}
