react-native/React/Base/RCTURLRequestDelegate.h

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/**
* 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 <Foundation/Foundation.h>
/**
* An abstract interface used by request handler modules to send
* data back over the bridge back to JS.
*/
@protocol RCTURLRequestDelegate <NSObject>
/**
* Call this when you first receives a response from the server. This should
* include response headers, etc.
*/
- (void)URLRequest:(id)requestToken didReceiveResponse:(NSURLResponse *)response;
/**
* Call this when you receive data from the server. This can be called multiple
* times with partial data chunks, or just once with the full data packet.
*/
- (void)URLRequest:(id)requestToken didReceiveData:(NSData *)data;
/**
* Call this when the request is complete and/or if an error is encountered.
* For a successful request, the error parameter should be nil.
*/
- (void)URLRequest:(id)requestToken didCompleteWithError:(NSError *)error;
@end