@ Nonnull public static String getRequestPathInfo ( @ Nullable final HttpServletRequest aRequest ) { String ret = null ; if ( aRequest != null ) try { // They may return null! if ( aRequest . isAsyncSupported ( ) && aRequest . isAsyncStarted ( ) ) ret = ( String ) aRequest . getAttribute ( AsyncContext . ASYNC_PATH_INFO ) ; else ret = aRequest . getPathInfo ( ) ; } catch ( final UnsupportedOperationException ex ) { // Offline request - fall through } catch ( final Exception ex ) { // fall through if ( isLogExceptions ( ) ) if ( LOGGER . isWarnEnabled ( ) ) LOGGER . warn ( "[ServletHelper] Failed to determine path info of HTTP request" , ex ) ; } return ret == null ? "" : ret ; }
Get the path info of an request supporting sync and async requests .