Injects the request instance.
| public injectRequest ( AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $request ) : void | ||
| $request | AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface | The request instance we're working on |
| return | void | |
/**
* Returns the session for this request.
*
* @param boolean $create TRUE to create a new session, else FALSE
*
* @return null|\AppserverIo\Psr\Servlet\Http\HttpSessionInterface The session instance
*
* @throws \Exception
*/
public function getSession($create = false)
{
// load the proposed session-ID and name
$id = $this->getProposedSessionId();
$sessionName = $this->getRequestedSessionName();
// if no session has already been load, initialize the session manager
/** @var \AppserverIo\Appserver\ServletEngine\SessionManagerInterface $manager */
$manager = $this->getSessionManager();
// if no session manager was found, we don't support sessions
if ($manager == null) {
return;
}
// find or create a new session (if flag has been set)
$session = $manager->find($id);
// if we can't find a session or session has been expired and we want to create a new one
if ($session == null && $create === true) {
// check if a session ID has been specified
if ($id == null) {
// if not, generate a unique one
$id = SessionUtils::generateRandomString();
}
// create a new session and register ID in request
$session = $manager->create($id, $sessionName);
}
// if we can't find a session and we should NOT create one, return nothing
if ($create === false && $session == null) {
return;
}
// if we can't find a session although we SHOULD create one, we throw an exception
if ($create === true && $session == null) {
throw new \Exception('Can\'t create a new session!');
}
// initialize the session wrapper
$wrapper = new SessionWrapper();
$wrapper->injectSession($session);
$wrapper->injectRequest($this);
// return the found session
return $wrapper;
}
