/** * Copyright (c) 2015-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. */ #import #import NS_ASSUME_NONNULL_BEGIN /*! Exception used to notify about missing session */ extern NSString *const FBSessionDoesNotExistException; /*! Exception used to notify about application deadlock */ extern NSString *const FBApplicationDeadlockDetectedException; /*! Exception used to notify about unknown attribute */ extern NSString *const FBElementAttributeUnknownException; /*! Exception used to notify about invalid argument */ extern NSString *const FBInvalidArgumentException; /** Class used to handle exceptions raised by command handlers */ @interface FBExceptionHandler : NSObject /** Handles 'exception' for 'webServer' raised while handling 'response' @param webServer server for which exception is handled @param exception exception that needs handling @param response response related to that exception @return YES, if exception was handled, otherwise NO */ - (BOOL)webServer:(FBWebServer *)webServer handleException:(NSException *)exception forResponse:(RouteResponse *)response; @end NS_ASSUME_NONNULL_END