Exception.php

<?php


class Wave_Exception extends Exception {
		
	
	public static function register(){
		set_exception_handler(array('Wave_Exception', 'handle'));
		set_error_handler(array('Wave_Exception', 'handleError'));
	}
	
	public function __construct($message, $code = null){
		if($code == null && is_numeric($message)){
			$code = intval($message);
			$message = $this->getInternalMessage($code);
		}
		parent::__construct($message, $code);	
	}
	
	public static function handle(Exception $e){
		Wave_Controller::invoke("ExceptionController", array('exception' => $e));
	}
	
	public static function handleError($level, $message, $file, $line, $context) {
	    //Handle user errors, warnings, and notices here
	    if($level === E_USER_ERROR || $level === E_USER_WARNING || $level === E_USER_NOTICE) {
	        echo $message;
	        return(true); //And prevent the PHP error handler from continuing
	    }
	    return(false); //Otherwise, use PHP's error handler
	}
	
	
	protected function getInternalMessage($type){
		
		switch($type){
			case Wave_Response::STATUS_NOT_FOUND : 
				return 'The requested resource was not found';
			case Wave_Response::STATUS_FORBIDDEN : 
				return 'You do not have permission to access the requested resource';
			case Wave_Response::STATUS_OK :
			case Wave_Response::STATUS_CREATED :
			case Wave_Response::STATUS_ACCEPTED :
			case Wave_Response::STATUS_MOVED_PERMANENTLY :
			case Wave_Response::STATUS_NOT_MODIFIED :
			case Wave_Response::STATUS_MOVED_TEMPORARILY :
			case Wave_Response::STATUS_BAD_REQUEST :
			case Wave_Response::STATUS_UNAUTHORISED :  
			case Wave_Response::STATUS_INPUT_REQUIRED : 
			case Wave_Response::STATUS_EXCEPTION :
			case Wave_Response::STATUS_SERVER_ERROR :  
			case Wave_Response::STATUS_NOT_IMPLEMENTED :
			default :
				return 'Unknown error';
		}
		
	}
	
	public function trigger($type){
		
		trigger_error('Wave_Exception::trigger() is depreciated', E_USER_DEPRECIATED);
		
		switch($type){
			case Wave_Response::STATUS_NOT_FOUND : 
				throw new Wave_Exception('The requested resource was not found', $type);
			case Wave_Response::STATUS_OK :
			case Wave_Response::STATUS_CREATED :
			case Wave_Response::STATUS_ACCEPTED :
			case Wave_Response::STATUS_MOVED_PERMANENTLY :
			case Wave_Response::STATUS_NOT_MODIFIED :
			case Wave_Response::STATUS_MOVED_TEMPORARILY :
			case Wave_Response::STATUS_BAD_REQUEST :
			case Wave_Response::STATUS_UNAUTHORISED :  
			case Wave_Response::STATUS_FORBIDDEN : 
			case Wave_Response::STATUS_INPUT_REQUIRED : 
			case Wave_Response::STATUS_EXCEPTION :
			case Wave_Response::STATUS_SERVER_ERROR :  
			case Wave_Response::STATUS_NOT_IMPLEMENTED :
			default :
				throw new Wave_Exception('Unknown error', $type);
		}
		
	}
	
}

?>