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//
// This code is distributed under the terms and conditions of the MIT license.
//
// Copyright (c) 2013 Glenn Chiu
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import "GCJSONRequestOperation.h"
#if ! __has_feature(objc_arc)
# error GCNetworkRequest is ARC only. Use -fobjc-arc as compiler flag for this library
#endif
@implementation GCJSONRequestOperation
{
NSError *_JSONError;
}
+ (instancetype)JSONRequest:(GCNetworkRequest *)networkRequest callBackQueue:(dispatch_queue_t)queue completionHandler:(void(^)(id JSON, NSHTTPURLResponse *response))completionBlock errorHandler:(void(^)(id JSON, NSHTTPURLResponse *response, NSError *error))errorBlock
{
__block GCJSONRequestOperation *operation = nil;
operation = [[GCJSONRequestOperation alloc] initWithHTTPRequest:networkRequest
callBackQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul)
completionHandler:^(NSData *data, NSHTTPURLResponse *response) {
if (completionBlock)
{
id JSONObject = [operation processJSON:data];
dispatch_async(gc_dispatch_queue(queue), ^{completionBlock(JSONObject, response);});
}
operation = nil;
} errorHandler:^(NSData *data, NSHTTPURLResponse *response, NSError *error) {
if (errorBlock)
{
id JSONObject = [operation processJSON:data];
dispatch_async(gc_dispatch_queue(queue), ^{errorBlock(JSONObject, response, [operation error]);});
}
operation = nil;
}];
return operation;
}
- (id)processJSON:(NSData *)data
{
id JSONObject = nil;
if (data)
{
NSError *error = nil;
JSONObject = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&error];
if (!JSONObject) [self setError:error];
}
return JSONObject;
}
- (NSError *)error
{
return (self->_JSONError) ?: [super error];
}
- (void)setError:(NSError *)error
{
self->_JSONError = error;
}
@end