public function service(ServletRequestInterface $servletRequest, ServletResponseInterface $servletResponse)
{
// pre-initialize the X-POWERED-BY header
$poweredBy = $this->getPoweredBy();
// append an existing X-POWERED-BY header if available
if ($servletResponse->hasHeader(HttpProtocol::HEADER_X_POWERED_BY)) {
$poweredBy = $servletResponse->getHeader(HttpProtocol::HEADER_X_POWERED_BY) . ', ' . $poweredBy;
}
// set the X-POWERED-BY header
$servletResponse->addHeader(HttpProtocol::HEADER_X_POWERED_BY, $poweredBy);
// servlet path === relative path to the template name
$template = $servletRequest->getServletPath();
// check if the template is available
if (!file_exists($pathToTemplate = $this->getWebappPath() . $template)) {
if (!file_exists($pathToTemplate = $this->getAppBase() . $template)) {
if (!file_exists($pathToTemplate = $this->getBaseDirectory() . $template)) {
throw new ServletException(sprintf('Can\'t load requested template \'%s\'', $template));
}
}
}
// process the template
ob_start();
require $pathToTemplate;
// add the servlet name to the response
$servletResponse->appendBodyStream(ob_get_clean());
}
