mirror of
https://github.com/zhigang1992/RestKit.git
synced 2026-01-12 22:51:50 +08:00
99 lines
2.9 KiB
Objective-C
99 lines
2.9 KiB
Objective-C
//
|
|
// RKObjectMappingResult.m
|
|
// RestKit
|
|
//
|
|
// Created by Blake Watters on 5/7/11.
|
|
// Copyright (c) 2009-2012 RestKit. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
|
|
#import "RKObjectMappingResult.h"
|
|
#import "RKObjectMapperError.h"
|
|
#import "RKLog.h"
|
|
|
|
@implementation RKObjectMappingResult
|
|
|
|
- (id)initWithDictionary:(id)dictionary
|
|
{
|
|
self = [self init];
|
|
if (self) {
|
|
_keyPathToMappedObjects = [dictionary retain];
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc
|
|
{
|
|
[_keyPathToMappedObjects release];
|
|
[super dealloc];
|
|
}
|
|
|
|
+ (RKObjectMappingResult *)mappingResultWithDictionary:(NSDictionary *)keyPathToMappedObjects
|
|
{
|
|
return [[[self alloc] initWithDictionary:keyPathToMappedObjects] autorelease];
|
|
}
|
|
|
|
- (NSDictionary *)asDictionary
|
|
{
|
|
return _keyPathToMappedObjects;
|
|
}
|
|
|
|
- (NSArray *)asCollection
|
|
{
|
|
// Flatten results down into a single array
|
|
NSMutableArray *collection = [NSMutableArray array];
|
|
for (id object in [_keyPathToMappedObjects allValues]) {
|
|
// We don't want to strip the keys off of a mapped dictionary result
|
|
|
|
if (NO == [object isKindOfClass:[NSDictionary class]] && [object respondsToSelector:@selector(allObjects)]) {
|
|
[collection addObjectsFromArray:[object allObjects]];
|
|
} else {
|
|
[collection addObject:object];
|
|
}
|
|
}
|
|
|
|
return collection;
|
|
}
|
|
|
|
- (id)asObject
|
|
{
|
|
NSArray *collection = [self asCollection];
|
|
NSUInteger count = [collection count];
|
|
if (count == 0) {
|
|
return nil;
|
|
}
|
|
|
|
if (count > 1) RKLogWarning(@"Coerced object mapping result containing %lu objects into singular result.", (unsigned long) count);
|
|
return [collection objectAtIndex:0];
|
|
}
|
|
|
|
- (NSError *)asError
|
|
{
|
|
NSArray *collection = [self asCollection];
|
|
NSString *description = nil;
|
|
if ([collection count] > 0) {
|
|
description = [[collection valueForKeyPath:@"description"] componentsJoinedByString:@", "];
|
|
} else {
|
|
RKLogWarning(@"Expected mapping result to contain at least one object to construct an error");
|
|
}
|
|
NSDictionary *userInfo = [NSDictionary dictionaryWithObjectsAndKeys:collection, RKObjectMapperErrorObjectsKey,
|
|
description, NSLocalizedDescriptionKey, nil];
|
|
|
|
NSError *error = [NSError errorWithDomain:RKErrorDomain code:RKObjectMapperErrorFromMappingResult userInfo:userInfo];
|
|
return error;
|
|
}
|
|
|
|
@end
|