mirror of
https://github.com/zhigang1992/RestKit.git
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8dc54a89b2
* Replaces primary key with `RKEntityIdentifier` * Add support for use of compound keys for object identification * Refactor `RKConnectionMapping` to `RKConnectionDescription` and add support for connecting with multiple attributes * Clarify naming of representation key methods to better match naming conventions * Add type transformation support for object identification * Greatly expand test coverage for object identification * Drop the `NSEntityDescription` category * Simplify the `RKManagedObjectCaching` protocol * Add compound key support to the Fetch Request and In Memory Cache implementations * Replace Kiwi with Specta for tests where contexts are helpful for organization * Rename `defaultValueForMissingAttribute` to `defaultValueForAttribute`
54 lines
1.4 KiB
Objective-C
54 lines
1.4 KiB
Objective-C
//
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// RKValueTransformers.m
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// RestKit
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//
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// Created by Blake Watters on 11/26/12.
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// Copyright (c) 2012 RestKit. All rights reserved.
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//
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#import "RKValueTransformers.h"
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#import "RKMacros.h"
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// Implementation lives in RKObjectMapping.m at the moment
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NSDate *RKDateFromStringWithFormatters(NSString *dateString, NSArray *formatters);
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@implementation RKDateToStringValueTransformer
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+ (Class)transformedValueClass
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{
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return [NSDate class];
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}
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+ (BOOL)allowsReverseTransformation
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{
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return YES;
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}
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- (id)initWithDateToStringFormatter:(NSFormatter *)dateToStringFormatter stringToDateFormatters:(NSArray *)stringToDateFormatters
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{
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self = [self init];
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if (self) {
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self.dateToStringFormatter = dateToStringFormatter;
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self.stringToDateFormatters = stringToDateFormatters;
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}
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return self;
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}
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- (id)transformedValue:(id)value
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{
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NSAssert(self.stringToDateFormatters, @"Cannot transform an `NSDate` to an `NSString`: stringToDateFormatters is nil");
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RKAssertValueIsKindOfClass(value, [NSString class]);
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return RKDateFromStringWithFormatters(value, self.stringToDateFormatters);
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}
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- (id)reverseTransformedValue:(id)value
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{
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NSAssert(self.dateToStringFormatter, @"Cannot transform an `NSDate` to an `NSString`: dateToStringFormatter is nil");
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RKAssertValueIsKindOfClass(value, [NSDate class]);
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@synchronized(self.dateToStringFormatter) {
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return [self.dateToStringFormatter stringForObjectValue:value];
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}
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}
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@end
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