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* Metadata mapping is implemented via an `NSProxy` object that stands in for the `sourceObject` of each `RKMappingOperation` * Key paths that are prefixed with `@metadata.` are mapped against the `metadata` dictionary of the operation, else they hit the `sourceObject`. * Metadata is implemented by merging a dictionary of data in from `RKObjectRequestOperation`, through to `RKResponseMapperOperation`, into `RKMapperOperation`, and all the way down into the `RKMappingOperation`, where it is available to each object. By convention, metdata is namespaced into subdictionaries.
53 lines
1.7 KiB
Objective-C
53 lines
1.7 KiB
Objective-C
//
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// RKPropertyMapping.m
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// RestKit
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//
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// Created by Blake Watters on 8/27/12.
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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 "RKPropertyMapping.h"
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@interface RKPropertyMapping ()
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// Synthesize as read/write to allow assignment in `RKObjectMapping`
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@property (nonatomic, weak, readwrite) RKObjectMapping *objectMapping;
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@property (nonatomic, copy, readwrite) NSString *sourceKeyPath;
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@property (nonatomic, copy, readwrite) NSString *destinationKeyPath;
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@end
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@implementation RKPropertyMapping
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- (id)copyWithZone:(NSZone *)zone
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{
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RKPropertyMapping *copy = [[[self class] allocWithZone:zone] init];
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copy.sourceKeyPath = self.sourceKeyPath;
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copy.destinationKeyPath = self.destinationKeyPath;
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return copy;
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}
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- (BOOL)isEqualToMapping:(RKPropertyMapping *)otherMapping
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{
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return [otherMapping isMemberOfClass:[self class]] &&
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[self.sourceKeyPath isEqual:otherMapping.sourceKeyPath] &&
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[self.destinationKeyPath isEqual:otherMapping.destinationKeyPath];
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}
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- (NSString *)description
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{
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return [NSString stringWithFormat:@"<%@: %p %@ => %@>", self.class, self, self.sourceKeyPath, self.destinationKeyPath];
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}
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@end
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