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5c21e52829
* Rename RKDynamicMappingMatcher to RKObjectMappingMatcher since it is not strictly coupled to dynamic mapping and works with object mappings. * Rework matchers into using a class cluster style to enable flexible subclassing to introduce additional matchers.
103 lines
2.8 KiB
Objective-C
103 lines
2.8 KiB
Objective-C
//
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// RKDynamicMapping.m
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// RestKit
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//
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// Created by Blake Watters on 7/28/11.
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// Copyright (c) 2009-2012 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 "RKDynamicMapping.h"
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#import "RKObjectMappingMatcher.h"
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#import "RKLog.h"
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// Set Logging Component
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#undef RKLogComponent
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#define RKLogComponent RKlcl_cRestKitObjectMapping
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@interface RKDynamicMapping ()
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@property (nonatomic, strong) NSMutableArray *mutableMatchers;
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@property (nonatomic, copy) RKObjectMapping *(^objectMappingForRepresentationBlock)(id representation);
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@end
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@implementation RKDynamicMapping
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- (id)init
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{
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self = [super init];
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if (self) {
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self.mutableMatchers = [NSMutableArray new];
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}
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return self;
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}
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- (NSArray *)matchers
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{
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return [self.mutableMatchers copy];
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}
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- (NSArray *)objectMappings
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{
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return [self.mutableMatchers valueForKey:@"objectMapping"];
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}
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- (void)addMatcher:(RKObjectMappingMatcher *)matcher
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{
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NSParameterAssert(matcher);
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if ([self.mutableMatchers containsObject:matcher]) {
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[self.mutableMatchers removeObject:matcher];
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[self.mutableMatchers insertObject:matcher atIndex:0];
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} else {
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[self.mutableMatchers addObject:matcher];
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}
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}
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- (void)removeMatcher:(RKObjectMappingMatcher *)matcher
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{
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NSParameterAssert(matcher);
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[self.mutableMatchers removeObject:matcher];
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}
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- (RKObjectMapping *)objectMappingForRepresentation:(id)representation
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{
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RKObjectMapping *mapping = nil;
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RKLogTrace(@"Performing dynamic object mapping for object representation: %@", representation);
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// Consult the declarative matchers first
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for (RKObjectMappingMatcher *matcher in self.mutableMatchers) {
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if ([matcher matches:representation]) {
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RKLogTrace(@"Found declarative match for matcher: %@.", matcher);
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return matcher.objectMapping;
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}
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}
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// Otherwise consult the block
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if (self.objectMappingForRepresentationBlock) {
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mapping = self.objectMappingForRepresentationBlock(representation);
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if (mapping) RKLogTrace(@"Determined concrete `RKObjectMapping` using object mapping for representation block");
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}
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return mapping;
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}
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- (BOOL)isEqualToMapping:(RKMapping *)otherMapping
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{
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// Comparison of dynamic mappings is not currently supported
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return NO;
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}
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@end
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