/**
* Registers aspects written within source files which we might encounter
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance
*
* @return void
*/
public function registerAspectXml(ApplicationInterface $application)
{
/** @var \AppserverIo\Appserver\Core\Api\ConfigurationService $configurationService */
$configurationService = $application->newService('AppserverIo\\Appserver\\Core\\Api\\ConfigurationService');
// check if we even have a XMl file to read from
$xmlPaths = $configurationService->globDir($this->getWebappPath() . DIRECTORY_SEPARATOR . '{WEB-INF,META-INF,common}' . DIRECTORY_SEPARATOR . self::CONFIG_FILE, GLOB_BRACE);
foreach ($xmlPaths as $xmlPath) {
// iterate all XML configuration files we found
if (is_readable($xmlPath)) {
// validate the file here, if it is not valid we can skip further steps
try {
$configurationService->validateFile($xmlPath, null, true);
} catch (InvalidConfigurationException $e) {
/** @var \Psr\Log\LoggerInterface $systemLogger */
$systemLogger = $this->getApplication()->getInitialContext()->getSystemLogger();
$systemLogger->error($e->getMessage());
$systemLogger->critical(sprintf('Pointcuts configuration file %s is invalid, AOP functionality might not work as expected.', $xmlPath));
continue;
}
// load the aop config
$config = new \SimpleXMLElement(file_get_contents($xmlPath));
$config->registerXPathNamespace('a', 'http://www.appserver.io/appserver');
// create us an aspect
// name of the aspect will be the application name
$aspect = new Aspect();
$aspect->setName($xmlPath);
// check if we got some pointcuts
foreach ($config->xpath('/a:pointcuts/a:pointcut') as $pointcutConfiguration) {
// build up the pointcut and add it to the collection
$pointcut = new Pointcut();
$pointcut->setAspectName($aspect->getName());
$pointcut->setName((string) $pointcutConfiguration->{'pointcut-name'});
$pointcut->setPointcutExpression(new PointcutExpression((string) $pointcutConfiguration->{'pointcut-pattern'}));
$aspect->getPointcuts()->add($pointcut);
}
// check if we got some advices
foreach ($config->xpath('/a:pointcuts/a:advice') as $adviceConfiguration) {
// build up the advice and add it to the aspect
$advice = new Advice();
$advice->setAspectName((string) $adviceConfiguration->{'advice-aspect'});
$advice->setName($advice->getAspectName() . '->' . (string) $adviceConfiguration->{'advice-name'});
$advice->setCodeHook((string) $adviceConfiguration->{'advice-type'});
$pointcutPointcut = $this->generatePointcutPointcut((array) $adviceConfiguration->{'advice-pointcuts'}->{'pointcut-name'}, $aspect);
$advice->getPointcuts()->add($pointcutPointcut);
// finally add the advice to our aspect (we will also add it without pointcuts of its own)
$aspect->getAdvices()->add($advice);
}
// if the aspect contains pointcuts or advices it can be used
if ($aspect->getPointcuts()->count() > 0 || $aspect->getAdvices()->count() > 0) {
$this->getAspectRegister()->set($aspect->getName(), $aspect);
}
}
}
}
