/**
* Returns the current session or opens a new one if none exists yet
* @return \Cx\Core\Session\Model\Entity\Session Session instance
*/
public function getSession()
{
return \Cx\Core\Session\Model\Entity\Session::getInstance();
}
/**
* Ensure that the used parameter name complies with the session
* restrictions defined for variable keys, as the parameter name
* is being used as a sesison-variable-key.
* @param string $parameterName The name of the session-variable-key used to store the current paging position.
* @return string $parameterName The sanitized session-variable-key.
*/
private static function sanitizeParameterName($parameterName)
{
// Important: As the parameter name is used as a session-variable-key,
// it must not exceed the allowed session-variable-key-length.
// Therefore, if required, the parameter name is hashed and cut to the
// maximum allowed session-variable-key-length.
if (strlen($parameterName) > \Cx\Core\Session\Model\Entity\Session::getVariableKeyMaxLength()) {
$parameterName = substr(md5($parameterName), 0, \Cx\Core\Session\Model\Entity\Session::getVariableKeyMaxLength());
}
return $parameterName;
}
/**
* Adds a message of the given class
*
* The optional $class defaults to the CLASS_INFO class constant.
* May be empty, or one of CLASS_OK, CLASS_INFO, CLASS_WARN,
* or CLASS_ERROR.
* @param string $message The message to add
* @param string $class The optional class.
* Defaults to CLASS_INFO
* @author Reto Kohli <*****@*****.**>
* @static
*/
static function add($message, $class = self::CLASS_INFO)
{
if (!\Cx\Core\Session\Model\Entity\Session::isInitialized()) {
throw new \Exception("\\Message can't be used at this point as no session has been initialized yet!");
}
if (empty($_SESSION['messages'])) {
$_SESSION['messages'] = array();
}
if (empty($_SESSION['messages'][$class])) {
$_SESSION['messages'][$class] = array();
}
$_SESSION['messages'][$class][] = $message;
}
