/**
* Register the servlet described by the passed descriptor.
*
* @param \AppserverIo\Psr\Servlet\Description\ServletDescriptorInterface $descriptor The servlet descriptor
*
* @return void
*/
protected function registerServlet(ServletDescriptorInterface $descriptor)
{
try {
// create a new reflection class instance
$reflectionClass = new ReflectionClass($descriptor->getClassName());
// instantiate the servlet
$instance = $reflectionClass->newInstance();
// load servlet name
$servletName = $descriptor->getName();
// initialize the servlet configuration
$servletConfig = new ServletConfiguration();
$servletConfig->injectServletContext($this);
$servletConfig->injectServletName($servletName);
// append the init params to the servlet configuration
foreach ($descriptor->getInitParams() as $paramName => $paramValue) {
$servletConfig->addInitParameter($paramName, $paramValue);
}
// initialize the servlet
$instance->init($servletConfig);
// the servlet is added to the dictionary using the complete request path as the key
$this->addServlet($servletName, $instance);
// prepend the url-pattern - servlet mapping to the servlet mappings
foreach ($descriptor->getUrlPatterns() as $pattern) {
$this->addServletMapping($pattern, $servletName);
}
// register the EPB references
foreach ($descriptor->getEpbReferences() as $epbReference) {
$this->registerEpbReference($epbReference);
}
// register the resource references
foreach ($descriptor->getResReferences() as $resReference) {
$this->registerResReference($resReference);
}
// register the persistence unit references
foreach ($descriptor->getPersistenceUnitReferences() as $persistenceUnitReference) {
$this->registerPersistenceUnitReference($persistenceUnitReference);
}
} catch (\Exception $e) {
// log the exception
$this->getApplication()->getInitialContext()->getSystemLogger()->critical($e->__toString());
}
}
/**
* Merges the passed configuration into this one. Configuration values
* of the passed configuration will overwrite the this one.
*
* @param \AppserverIo\Psr\EnterpriseBeans\Description\ServletDescriptorInterface $servletDescriptor The descriptor to merge
*
* @return void
* @throws \AppserverIo\Psr\Servlet\ServletException Is thrown if you try to merge a servlet descriptor with a different class name
*/
public function merge(ServletDescriptorInterface $servletDescriptor)
{
// check if the classes are equal
if ($this->getClassName() !== $servletDescriptor->getClassName()) {
throw new ServletException(sprintf('You try to merge a servlet descriptor for % with %s', $servletDescriptor->getClassName(), $servletDescriptor->getClassName()));
}
// merge the servlet name
if ($name = $servletDescriptor->getName()) {
$this->setName($name);
}
// merge the servlet description
if ($description = $servletDescriptor->getDescription()) {
$this->setDescription($description);
}
// merge the servlet display name
if ($displayName = $servletDescriptor->getDisplayName()) {
$this->setDisplayName($displayName);
}
// merge the URL patterns
foreach ($servletDescriptor->getUrlPatterns() as $urlPattern) {
$this->addUrlPattern($urlPattern);
}
// merge the initialization parameters
foreach ($servletDescriptor->getInitParams() as $paramKey => $paramValue) {
$this->addInitParam($paramKey, $paramValue);
}
// merge the EPB references
foreach ($servletDescriptor->getEpbReferences() as $epbReference) {
$this->addEpbReference($epbReference);
}
// merge the resource references
foreach ($servletDescriptor->getResReferences() as $resReference) {
$this->addResReference($resReference);
}
// merge the persistence unit references
foreach ($servletDescriptor->getPersistenceUnitReferences() as $persistenceUnitReference) {
$this->addPersistenceUnitReference($persistenceUnitReference);
}
}
