@Override
protected void doFilterInternal(
HttpServletRequest request, HttpServletResponse response, FilterChain chain)
throws ServletException, IOException {
UrlPathHelper helper = new UrlPathHelper();
String suffix = helper.getPathWithinApplication(request);
StopWatch stopWatch = new StopWatch();
stopWatch.start();
try {
chain.doFilter(request, response);
} finally {
stopWatch.stop();
int status = getStatus(response);
Object bestMatchingPattern =
request.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE);
HttpStatus httpStatus = HttpStatus.OK;
try {
httpStatus = HttpStatus.valueOf(status);
} catch (Exception ex) {
// not convertible
}
if (bestMatchingPattern != null) {
suffix = bestMatchingPattern.toString().replaceAll("[{}]", "-");
} else if (httpStatus.is4xxClientError()) {
suffix = UNKNOWN_PATH_SUFFIX;
}
String gaugeKey = getKey("response" + suffix);
MetricFilterAutoConfiguration.this.gaugeService.submit(
gaugeKey, stopWatch.getTotalTimeMillis());
String counterKey = getKey("status." + status + suffix);
MetricFilterAutoConfiguration.this.counterService.increment(counterKey);
}
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.web.servlet.mvc.Controller#handleRequest(javax.servlet
* .http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
throws Exception {
String requestedPath =
(StringUtils.isEmpty(mapping))
? helper.getPathWithinApplication(request)
: helper.getPathWithinServletMapping(request);
if (StringUtils.isNotEmpty(controllerMapping)) {
requestedPath = requestedPath.substring(controllerMapping.length());
}
requestHandler.processRequest(requestedPath, request, response);
return null;
}
@Override
protected Object getHandlerInternal(HttpServletRequest request) throws Exception {
String url = URL_PATH_HELPER.getPathWithinApplication(request);
UrlMatch match = routeSet.getBestMatch(request, url);
if (match != null) {
routeSet.setCurrentMatch(request, match);
Object controller = specialRoutes.get(match.getRoute());
if (controller == null) {
String controllerName = match.getParameters().get(controllerParameterName);
if (controllerName != null) {
return controllerName + controllerNameSuffix;
}
}
return controller;
}
return null;
}
/**
* Overrides the default behaviour to establish the handler from the GrailsApplication instance
*
* @param request The request
* @param cache Whether to cache the Handler in the request
* @return The HandlerExecutionChain
* @throws Exception
*/
protected HandlerExecutionChain getHandler(HttpServletRequest request, boolean cache)
throws Exception {
String uri = urlHelper.getPathWithinApplication(request);
if (logger.isDebugEnabled()) {
logger.debug("Looking up Grails controller for URI [" + uri + "]");
}
GrailsControllerClass controllerClass =
(GrailsControllerClass)
application.getArtefactForFeature(ControllerArtefactHandler.TYPE, uri);
final String actionName =
(String) request.getAttribute(GrailsApplicationAttributes.ACTION_NAME_ATTRIBUTE);
if (controllerClass != null) {
HandlerInterceptor[] interceptors;
// if we're in a development environment we want to re-establish interceptors just in case
// they
// have changed at runtime
if (GrailsUtil.isDevelopmentEnv()) {
interceptors = establishInterceptors(getWebApplicationContext());
} else {
interceptors = this.interceptors;
}
if (controllerClass.isFlowAction(actionName)) {
FlowHandler flowHandler =
new AbstractFlowHandler() {
public String getFlowId() {
return actionName;
}
};
return new HandlerExecutionChain(flowHandler, interceptors);
} else {
return new HandlerExecutionChain(mainController, interceptors);
}
}
return null;
}
