/**
* Set the error name and message (also reports to the monitor
* @see JPSpan_Monitor
* @param int error code
* @param string name to be given to Javascript error class
* @param string error message
* @return void
* @access public
*/
function setError($code, $name, $message)
{
$this->code = $code;
$this->name = $name;
$this->message = $message;
require_once JPSPAN . 'Monitor.php';
$M =& JPSpan_Monitor::instance();
$M->announceError($name, $code, $message, __FILE__, __LINE__);
}
/**
* Serve a request
* @param boolean send headers
* @return boolean FALSE if failed (invalid request - see errors)
* @access public
*/
function serve($sendHeaders = TRUE)
{
require_once JPSPAN . 'Monitor.php';
$M =& JPSpan_Monitor::instance();
$this->calledClass = NULL;
$this->calledMethod = NULL;
if ($this->resolveCall()) {
$M->setRequestInfo('class', $this->calledClass);
$M->setRequestInfo('method', $this->calledMethod);
if (FALSE !== ($Handler =& $this->getHandler($this->calledClass))) {
$args = array();
$M->setRequestInfo('args', $args);
if ($Handler instanceof TPageWithCallback) {
$this->getArgs($args);
$response = $this->handleCallback($Handler, $args);
} else {
if ($this->getArgs($args)) {
$M->setRequestInfo('args', $args);
$response = call_user_func_array(array(&$Handler, $this->calledMethod), $args);
} else {
$response = call_user_func(array(&$Handler, $this->calledMethod));
}
}
require_once JPSPAN . 'Serializer.php';
$M->setResponseInfo('payload', $response);
$M->announceSuccess();
$response = JPSpan_Serializer::serialize($response);
if ($sendHeaders) {
header('Content-Length: ' . strlen($response));
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Last-Modified: ' . gmdate("D, d M Y H:i:s") . 'GMT');
header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');
}
echo $response;
return TRUE;
} else {
trigger_error('Invalid handle for: ' . $this->calledClass, E_USER_ERROR);
return FALSE;
}
}
return FALSE;
}
/**
* Custom PHP exception handler which generates Javascript exceptions
* @todo i18n error messages
*/
function JPSpan_ExceptionHandler($exception)
{
$name = 'Server_Error';
$file = addSlashes($exception->getFile());
if (!JPSPAN_ERROR_MESSAGES) {
$message = 'Server unable to respond';
} else {
$message = strip_tags($exception->getMessage());
}
$code = 2005;
$error = "var e = new Error('{$message}');e.name = '{$name}';e.code = '{$code}';";
if (JPSPAN_ERROR_DEBUG) {
$error .= "e.file = '{$file}';e.line = '" . $exception->getLine() . "';";
}
$error .= "throw e;";
echo 'new Function("' . addSlashes($error) . '");';
if (!defined('JPSPAN')) {
define('JPSPAN', dirname(__FILE__) . '/');
}
require_once JPSPAN . 'Monitor.php';
$M =& JPSpan_Monitor::instance();
$M->announceError($name, $code, $message, $file, $exception->getLine());
exit;
}
