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 $session;
}
}
return NULL;
}
function HttpServletContext(&$servletcontext)
{
parent::HttpContext();
if (ServletContext::validClass($servletcontext)) {
$this->context =& $servletcontext;
}
}
function ServletContext($web_xml_file)
{
$web_xml_file = new File($web_xml_file);
if (File::validClass($web_xml_file) && $web_xml_file->exists()) {
$this->file =& $web_xml_file;
$cache_file = new File($web_xml_file->getFilePath() . 'cached');
$valid_cache = FALSE;
if ($cache_file->exists() && $web_xml_file->lastModified() == $cache_file->lastModified()) {
$this->config = @unserialize(FileReader::readFileContent($cache_file));
if (ServletContext::validClass($this->config)) {
$valid_cache = TRUE;
}
}
if (!$valid_cache) {
$this->config =& ServletXMLConfigReader::readXMLConfig(new FileReader($web_xml_file));
FileWriter::writeToFile($cache_file, serialize($this->config), $web_xml_file->lastModified());
}
}
if (isset($this->config)) {
$this->initServletContext();
}
}