@Override
public void doFilter(
@Nonnull ServletRequest request,
@Nonnull ServletResponse response,
@Nonnull FilterChain chain)
throws IOException, ServletException {
final StopWatch stopWatch = new StopWatch();
request.setAttribute(CURRENT_REQUEST_STOP_WATCH_ATTRIBUTE_NAME, stopWatch);
final ScopeMapping globalMapping = _patternToMapping.get(null);
final ScopeMapping specificMapping =
request instanceof HttpServletRequest
? getMappingFor(((HttpServletRequest) request).getRequestURI())
: null;
try {
chain.doFilter(request, response);
} finally {
request.removeAttribute(CURRENT_REQUEST_STOP_WATCH_ATTRIBUTE_NAME);
final Duration duration = stopWatch.getCurrentDuration();
final ServletHealthInterceptor interceptor = _interceptor;
if (interceptor == null
|| interceptor.isRecordAllowed(request, globalMapping, specificMapping)) {
globalMapping.record(null, duration);
if (specificMapping != null) {
final String targetName =
interceptor != null
? interceptor.getSpecificTargetName(request, specificMapping)
: null;
specificMapping.record(targetName, duration);
}
}
}
}
