.
*/
class Staple_Error implements SplSubject
{
const PAGE_NOT_FOUND = 404;
const APPLICATION_ERROR = 500;
const LOADER_ERROR = 501;
const DB_ERROR = 502;
const AUTH_ERROR = 503;
const EMAIL_ERROR = 504;
const FORM_ERROR = 505;
const VALIDATION_ERROR = 506;
const LINK_ERROR = 507;
/**
* The object observers
* @var SplObjectStorage
*/
private $_observers;
/**
* This is the callback for error handling.
* @var SplObserver
*/
protected $logger;
/**
* The last exception that was thrown by the system.
* @var Exception
*/
private $lastException;
/**
* The default constructor.
*/
public function __construct()
{
$this->_observers = new SplObjectStorage();
}
/**
* Set the logger Object
* @return SplObserver $logger
*/
public function getLogger()
{
return $this->logger;
}
/**
* Get the Logger Object
* @param SplObserver $logger
*/
public function setLogger(SplObserver $logger)
{
$this->attach($logger);
$this->logger = $logger;
return $this;
}
/**
* @return Exception $lastException
*/
public function getLastException()
{
return $this->lastException;
}
/**
* @param Exception $lastException
*/
private function setLastException(Exception $lastException)
{
$this->lastException = $lastException;
return $this;
}
/**
*
* handleError catches PHP Errors and displays an error page with the error details.
* @param int $errno
* @param string $errstr
* @param string $errfile
* @param int $errline
*/
public static function handleError($errno, $errstr, $errfile, $errline)
{
//Convert Errors into exceptions.
throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
}
/**
*
* handleException catches Exceptions and displays an error page with the details.
* @todo create and implement and error controller that can display custom errors
* per application.
* @param Exception $ex
*/
public function handleException(Exception $ex)
{
//handle the error
$this->setLastException($ex);
//Notify observers
$this->notify();
//Clear the output buffer
ob_clean();
//Get the Front Controller
$main = Staple_Main::get();
//Process the Header
$main->processHeader(true);
//Echo the error message
echo " ".$ex->getMessage()." Code: ".$ex->getCode()."
Previous Error: ".$p->getMessage." Code: ".$p->getCode()."
";
}
echo "".$ex->getTraceAsString()."
";
foreach ($ex->getTrace() as $traceln)
{
echo "";
var_dump($traceln);
echo "
";
}
}
//If the site uses layout, build the default layout and put the error message inside.
if(Staple_Layout::layoutExists(Staple_Config::getValue('layout', 'default')))
{
//Grab the current buffer contents to add to the layout
$buffer = ob_get_contents();
ob_clean();
//Create the layout object and build the layout
$layout = new Staple_Layout(Staple_Config::getValue('layout', 'default'));
$layout->build($buffer);
}
}
/**
* Stub function for the future addition of error controller functionality
*/
private function dispatchErrorController()
{
}
/* (non-PHPdoc)
* @see SplSubject::attach()
*/
public function attach(SplObserver $observer)
{
$this->_observers->attach($observer);
}
/* (non-PHPdoc)
* @see SplSubject::detach()
*/
public function detach(SplObserver $observer)
{
$this->_observers->detach($observer);
}
/* (non-PHPdoc)
* @see SplSubject::notify()
*/
public function notify()
{
foreach($this->_observers as $observer)
{
$observer->update($this);
}
}
}