AFNetworking/Example/AFXMLRequestOperation.m
2011-09-16 10:36:36 -05:00

111 lines
5 KiB
Objective-C

// AFXMLRequestOperation.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 "AFXMLRequestOperation.h"
#include <Availability.h>
static dispatch_queue_t af_xml_request_operation_processing_queue;
static dispatch_queue_t xml_request_operation_processing_queue() {
if (af_xml_request_operation_processing_queue == NULL) {
af_xml_request_operation_processing_queue = dispatch_queue_create("com.alamofire.networking.xml-request.processing", 0);
}
return af_xml_request_operation_processing_queue;
}
@implementation AFXMLRequestOperation
+ (id)operationWithRequest:(NSURLRequest *)urlRequest
success:(void (^)(id XML))success
{
return [self operationWithRequest:urlRequest success:success failure:nil];
}
+ (id)operationWithRequest:(NSURLRequest *)urlRequest
success:(void (^)(id XML))success
failure:(void (^)(NSError *error))failure
{
return [self operationWithRequest:urlRequest acceptableStatusCodes:[self defaultAcceptableStatusCodes] acceptableContentTypes:[self defaultAcceptableContentTypes] success:^(NSURLRequest *request, NSHTTPURLResponse *response, id XML) {
if (success) {
success(XML);
}
} 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) {
if (!error) {
if (![acceptableStatusCodes containsIndex:[response statusCode]]) {
NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
[userInfo setValue:[NSString stringWithFormat:NSLocalizedString(@"Expected status code %@, got %d", nil), acceptableStatusCodes, [response statusCode]] forKey:NSLocalizedDescriptionKey];
[userInfo setValue:[request URL] forKey:NSURLErrorFailingURLErrorKey];
error = [[[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorBadServerResponse userInfo:userInfo] autorelease];
}
if (![acceptableContentTypes containsObject:[response MIMEType]]) {
NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
[userInfo setValue:[NSString stringWithFormat:NSLocalizedString(@"Expected content type %@, got %@", nil), acceptableContentTypes, [response MIMEType]] forKey:NSLocalizedDescriptionKey];
[userInfo setValue:[request URL] forKey:NSURLErrorFailingURLErrorKey];
error = [[[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorCannotDecodeContentData userInfo:userInfo] autorelease];
}
}
if (error) {
if (failure) {
failure(request, response, error);
}
} else if ([data length] == 0) {
if (success) {
success(request, response, nil);
}
} else {
dispatch_async(xml_request_operation_processing_queue(), ^(void) {
id XML = nil;
NSError *XMLError = nil;
});
}
}];
}
+ (NSIndexSet *)defaultAcceptableStatusCodes {
return [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 100)];
}
+ (NSSet *)defaultAcceptableContentTypes {
return [NSSet setWithObjects:@"application/xml", @"text/xml", nil];
}
@end