mirror of
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80 lines
3.2 KiB
Objective-C
80 lines
3.2 KiB
Objective-C
//
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// RKRequestDescriptor.m
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// RestKit
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//
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// Created by Blake Watters on 8/24/12.
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// Copyright (c) 2012 RestKit. All rights reserved.
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//
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// Created by Blake Watters on 8/24/12.
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// Copyright (c) 2012 RestKit. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import "RKRequestDescriptor.h"
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#import "RKObjectMapping.h"
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#import "RKDynamicMapping.h"
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static void RKAssertValidMappingForRequestDescriptor(RKMapping *mapping)
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{
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if ([mapping isKindOfClass:[RKObjectMapping class]]) {
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if (! [[(RKObjectMapping *)mapping objectClass] isEqual:[NSMutableDictionary class]]) {
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[NSException raise:NSInvalidArgumentException format:@"`RKRequestDescriptor` objects must be initialized with a mapping whose target class is `NSMutableDictionary`, got '%@' (see `[RKObjectMapping requestMapping]`)", [(RKObjectMapping *)mapping objectClass]];
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}
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} else if ([mapping isKindOfClass:[RKDynamicMapping class]]) {
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[[(RKDynamicMapping *)mapping objectMappings] enumerateObjectsUsingBlock:^(RKObjectMapping *objectMapping, NSUInteger idx, BOOL *stop) {
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if (! [objectMapping.objectClass isEqual:[NSMutableDictionary class]]) {
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[NSException raise:NSInvalidArgumentException format:@"`RKRequestDescriptor` objects may only be initialized with `RKDynamicMapping` objects containing `RKObjectMapping` objects whose target class is `NSMutableDictionary`, got '%@' (see `[RKObjectMapping requestMapping]`)", objectMapping.objectClass];
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}
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}];
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} else {
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[NSException raise:NSInvalidArgumentException format:@"Expected an instance of `RKObjectMapping` or `RKDynamicMapping`, instead got '%@'", [mapping class]];
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}
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}
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@interface RKRequestDescriptor ()
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@property (nonatomic, strong, readwrite) RKMapping *mapping;
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@property (nonatomic, strong, readwrite) Class objectClass;
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@property (nonatomic, copy, readwrite) NSString *rootKeyPath;
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@end
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@implementation RKRequestDescriptor
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+ (id)requestDescriptorWithMapping:(RKMapping *)mapping objectClass:(Class)objectClass rootKeyPath:(NSString *)rootKeyPath
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{
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NSParameterAssert(mapping);
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NSParameterAssert(objectClass);
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RKAssertValidMappingForRequestDescriptor(mapping);
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RKRequestDescriptor *requestDescriptor = [self new];
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requestDescriptor.mapping = mapping;
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requestDescriptor.objectClass = objectClass;
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requestDescriptor.rootKeyPath = rootKeyPath;
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return requestDescriptor;
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}
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- (NSString *)description
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{
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return [NSString stringWithFormat:@"<%@: %p objectClass=%@ rootKeyPath=%@ : %@>",
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NSStringFromClass([self class]), self, NSStringFromClass(self.objectClass), self.rootKeyPath, self.mapping];
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}
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- (BOOL)matchesObject:(id)object
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{
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return [object isKindOfClass:self.objectClass];
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}
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@end
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