/**
* Returns a list of properties for this nodes.;
* @param array $properties
* @return array
* @note The properties list is a list of propertynames the client
* requested, encoded as xmlnamespace#tagName, for example:
* http://www.example.org/namespace#author If the array is empty, all
* properties should be returned
*/
public function getProperties($properties)
{
if (is_null($this->property_cache)) {
$sql = 'SELECT * FROM `*PREFIX*properties` WHERE `userid` = ? AND `propertypath` = ?';
$result = OC_DB::executeAudited($sql, array(OC_User::getUser(), $this->path));
$this->property_cache = array();
while ($row = $result->fetchRow()) {
$this->property_cache[$row['propertyname']] = $row['propertyvalue'];
}
$this->property_cache[self::GETETAG_PROPERTYNAME] = '"' . $this->info->getEtag() . '"';
}
// if the array was empty, we need to return everything
if (count($properties) == 0) {
return $this->property_cache;
}
$props = array();
foreach ($properties as $property) {
if (isset($this->property_cache[$property])) {
$props[$property] = $this->property_cache[$property];
}
}
return $props;
}
/**
* Returns the ETag for a file
*
* An ETag is a unique identifier representing the current version of the
* file. If the file changes, the ETag MUST change. The ETag is an
* arbitrary string, but MUST be surrounded by double-quotes.
*
* Return null if the ETag can not effectively be determined
*
* @return string
*/
public function getETag()
{
return '"' . $this->info->getEtag() . '"';
}
