function &createSession($create = TRUE)
{
if (ServletContext::validClass($this->context)) {
$response =& $this->context->getServletResponse();
$session =& $this->context->getServletSession();
if (IHttpResponse::validClass($response) && IHttpSession::validClass($session)) {
$sessionid = '';
$cookie = $this->getCookie('_JPHPSESSIONID');
if (!isset($cookie)) {
$sessionid = $this->getParameter('_JPHPSESSIONID');
} else {
$sessionid = $cookie->getValue();
}
if (strlen(trim($sessionid)) < 8) {
if ($create == FALSE) {
return NULL;
} else {
$sessionid = md5(StringBuffer::generateKey(16));
}
}
$session->setSessionID($sessionid);
$session->initialize();
$cookie = new Cookie('_JPHPSESSIONID', $sessionid);
if ($session->getMaxInactiveInterval() > 0) {
$cookie->setMaxAge(time() + $session->getMaxInactiveInterval());
} else {
$cookie->setMaxAge(0);
}
$response->addCookie($cookie);
return $session;
}
}
return NULL;
}
function initialize()
{
// path existance
if (!file_exists($this->path)) {
if (!$this->createStructure($this->path)) {
die('I/O Exception : ' . $this->path . ' cannot be create ...');
}
} else {
if (!is_dir($this->path)) {
die('I/O Exception : ' . $this->path . ' exists and it\' a file ...');
}
}
// load session object
if (isset($this->sessionID)) {
if (!file_exists($this->path . $this->sessionID . '.cache')) {
$this->cache = array();
$this->creationTime = time();
$this->lastAccessedTime = $this->creationTime;
$this->isNewSession = TRUE;
$this->saveSessionObject();
} else {
if (!$this->loadSessionObject()) {
$this->sessionID = md5(StringBuffer::generateKey(16));
$this->cache = array();
$this->creationTime = time();
$this->lastAccessedTime = $this->creationTime;
$this->isNewSession = TRUE;
$this->saveSessionObject();
}
}
}
}