* @version 0.0.0
* @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
* @license GNU GPL 3.0 or any newer version
* @link http://www.ship-simu.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
class ApplicationEntryPoint {
/**
* The instances we want to remove after all is done
*
* @return void
*/
private static $instances = array (
'cfg', // The configuration system
'loader', // The class loader system
'debug', // Debug output
'db', // Database layer
'io', // Base I/O system (local file [or network])
'engine', // Template engine ( for ApplicationEntryPoint::app_die() )
'lang', // Language sub-system
'app', // The ApplicationHelper instance
);
/**
* The application's emergency exit
*
* @param $message The optional message we shall output on exit
* @param $code Error code from exception
* @param $extraData Extra information from exceptions
* @return void
*/
public static function app_die ($message = "", $code = false, $extraData = "") {
// Is this method already called?
if (defined('EMERGENCY_EXIT_CALLED')) {
// Then output the text directly
die($message);
} // END - if
// This method shall not be called twice
define('EMERGENCY_EXIT_CALLED', true);
// Is a message set?
if (empty($message)) {
// No message provided
$message = "No message provided!";
}
// Get some instances
$tpl = FrameworkConfiguration::getInstance()->readConfig('template_class');
$lang = LanguageSystem::getInstance();
$io = FileIoHandler::getInstance();
// Get response instance
$responseInstance = ApplicationHelper::getInstance()->getResponseInstance();
// Is the template engine loaded?
if ((class_exists($tpl)) && (is_object($lang)) && (is_object($io))) {
// Use the template engine for putting out (nicer look) the message
try {
// Get the template instance from our object factory
$templateInstance = ObjectFactory::createObjectByName($tpl, array(FrameworkConfiguration::getInstance()->readConfig('tpl_base_path'), $lang, $io));
} catch (FrameworkException $e) {
die(sprintf("[Main:] Could not initialize template engine for reason: %s",
$e->getMessage()
));
}
// Get and prepare backtrace for output
$backtraceArray = debug_backtrace();
$backtrace = "";
foreach ($backtraceArray as $key=>$trace) {
if (!isset($trace['file'])) $trace['file'] = __FILE__;
if (!isset($trace['line'])) $trace['line'] = __LINE__;
if (!isset($trace['args'])) $trace['args'] = array();
$backtrace .= "".basename($trace['file']).":".$trace['line'].", ".$trace['function']."(".count($trace['args']).")
";
} // END - foreach
// Assign variables
$templateInstance->assignVariable('message', $message);
$templateInstance->assignVariable('code', $code);
$templateInstance->assignVariable('extra', $extraData);
$templateInstance->assignVariable('backtrace', $backtrace);
$templateInstance->assignVariable('total_includes', ClassLoader::getInstance()->getTotal());
$templateInstance->assignVariable('total_objects', ObjectFactory::getTotal());
$templateInstance->assignVariable('title', $lang->getMessage('emergency_exit_title'));
// Load the template
$templateInstance->loadCodeTemplate('emergency_exit');
// Compile the template
$templateInstance->compileTemplate();
// Compile all variables
$templateInstance->compileVariables();
// Transfer data to response
$templateInstance->transferToResponse($responseInstance);
// Flush the response
$responseInstance->flushBuffer();
// Good bye...
exit();
} else {
// Output message and die
die(sprintf("[Main:] Emergency exit reached: %s",
$message
));
}
}
/**
* The application's main entry point. This class isolates some local
* variables which shall not become visible to outside because of security
* concerns. We are doing this here to "emulate" the well-known entry
* point in Java(tm).
*
* @return void
*/
public static function main () {
// Some non-global common arrays we need...
global $_SERVER;
// Load config file
require(dirname(__FILE__) . '/inc/config.php');
// Load all include files
require(PATH . 'inc/includes.php');
// Load all framework classes
require(PATH . 'inc/classes.php');
// Include the application selector
require(PATH . 'inc/selector.php');
} // END - main()
} // END - class
// Do not remove the following line:
ApplicationEntryPoint::main();
// [EOF]
?>