AFNetworking/AFNetworking/AFJSONRequestOperation.m

106 lines
4.5 KiB
Objective-C

// AFJSONRequestOperation.m
//
// Copyright (c) 2011 Gowalla (http://gowalla.com/)
//
// 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 "AFJSONRequestOperation.h"
#import "JSONKit.h"
#include <Availability.h>
@implementation AFJSONRequestOperation
+ (id)operationWithRequest:(NSURLRequest *)urlRequest
success:(void (^)(id JSON))success
{
return [self operationWithRequest:urlRequest success:success failure:nil];
}
+ (id)operationWithRequest:(NSURLRequest *)urlRequest
success:(void (^)(id JSON))success
failure:(void (^)(NSError *error))failure
{
return [self operationWithRequest:urlRequest acceptableStatusCodes:[self defaultAcceptableStatusCodes] acceptableContentTypes:[self defaultAcceptableContentTypes] success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
if (success) {
success(JSON);
}
} failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error) {
if (failure) {
failure(error);
}
}];
}
+ (id)operationWithRequest:(NSURLRequest *)urlRequest
acceptableStatusCodes:(NSIndexSet *)acceptableStatusCodes
acceptableContentTypes:(NSSet *)acceptableContentTypes
success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, id JSON))success
failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error))failure
{
return [self operationWithRequest:urlRequest completion:^(NSURLRequest *request, NSHTTPURLResponse *response, NSData *data, NSError *error) {
BOOL statusCodeAcceptable = [acceptableStatusCodes containsIndex:[response statusCode]];
BOOL contentTypeAcceptable = [acceptableContentTypes containsObject:[response MIMEType]];
if (!statusCodeAcceptable || !contentTypeAcceptable) {
NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
[userInfo setValue:[NSHTTPURLResponse localizedStringForStatusCode:[response statusCode]] forKey:NSLocalizedDescriptionKey];
[userInfo setValue:[request URL] forKey:NSURLErrorFailingURLErrorKey];
error = [[[NSError alloc] initWithDomain:NSURLErrorDomain code:[response statusCode] userInfo:userInfo] autorelease];
}
if (error) {
if (failure) {
failure(request, response, error);
}
} else {
id JSON = nil;
#if __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_4_3
if ([NSJSONSerialization class]) {
JSON = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
} else {
JSON = [[JSONDecoder decoder] objectWithData:data error:&error];
}
#else
JSON = [[JSONDecoder decoder] objectWithData:data error:&error];
#endif
if (error) {
if (failure) {
failure(request, response, error);
}
} else {
if (success) {
success(request, response, JSON);
}
}
}
}];
}
+ (NSIndexSet *)defaultAcceptableStatusCodes {
return [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 100)];
}
+ (NSSet *)defaultAcceptableContentTypes {
return [NSSet setWithObjects:@"application/json", @"application/x-javascript", @"text/javascript", @"text/x-javascript", @"text/x-json", @"text/json", @"text/plain", nil];
}
@end