/**
* Loads an application.
*
* @param \wcf\data\application\Application $application
* @param boolean $isDependentApplication
* @return \wcf\system\application\IApplication
*/
protected function loadApplication(Application $application, $isDependentApplication = false)
{
$applicationObject = null;
$package = PackageCache::getInstance()->getPackage($application->packageID);
// package cache might be outdated
if ($package === null) {
$package = new Package($application->packageID);
// package cache is outdated, discard cache
if ($package->packageID) {
PackageEditor::resetCache();
} else {
// package id is invalid
throw new SystemException("application identified by package id '" . $application->packageID . "' is unknown");
}
}
$abbreviation = ApplicationHandler::getInstance()->getAbbreviation($application->packageID);
$packageDir = FileUtil::getRealPath(WCF_DIR . $package->packageDir);
self::$autoloadDirectories[$abbreviation] = $packageDir . 'lib/';
$className = $abbreviation . '\\system\\' . strtoupper($abbreviation) . 'Core';
if (class_exists($className) && ClassUtil::isInstanceOf($className, 'wcf\\system\\application\\IApplication')) {
// include config file
$configPath = $packageDir . PackageInstallationDispatcher::CONFIG_FILE;
if (file_exists($configPath)) {
require_once $configPath;
} else {
throw new SystemException('Unable to load configuration for ' . $package->package);
}
// register template path if not within ACP
if (!class_exists('wcf\\system\\WCFACP', false)) {
// add template path and abbreviation
$this->getTPL()->addApplication($abbreviation, $packageDir . 'templates/');
}
// init application and assign it as template variable
self::$applicationObjects[$application->packageID] = call_user_func(array($className, 'getInstance'));
$this->getTPL()->assign('__' . $abbreviation, self::$applicationObjects[$application->packageID]);
} else {
unset(self::$autoloadDirectories[$abbreviation]);
throw new SystemException("Unable to run '" . $package->package . "', '" . $className . "' is missing or does not implement 'wcf\\system\\application\\IApplication'.");
}
// register template path in ACP
if (class_exists('wcf\\system\\WCFACP', false)) {
$this->getTPL()->addApplication($abbreviation, $packageDir . 'acp/templates/');
} else {
if (!$isDependentApplication) {
// assign base tag
$this->getTPL()->assign('baseHref', $application->getPageURL());
}
}
// register application
self::$applications[$abbreviation] = $application;
return self::$applicationObjects[$application->packageID];
}
