我正在开发一个使用 RestKit 框架解析 JSON 响应的 Objective C 项目。现在我需要一些关于以下情况的对象映射设置的帮助:
JSON 响应:
"和下列物品:"
这是我的映射设置:
问题在于"data"对象没有正确映射: NSArray *data; 填充了2个"SomeAPIInfo"对象。名称已经正确填写,但其他值(路径、最大版本、最小版本)为空。
我做错了什么? 是否有另一种方式来映射"data"对象?也许直接映射为NSDictionary,这样"Some.API.Auth"将是键,"SomeAPIInfo"将是对象(不包括"name"属性)。
感谢您的帮助!
编辑:我认为映射不起作用是因为键中有点号("SOME.API.Auth")。
{
"data": {
"SOME.API.Auth": {
"maxVersion": 2,
"minVersion": 1,
"path": "auth.cgi"
},
"SOME.Station": {
"maxVersion": 1,
"minVersion": 1,
"path": "Station/task.cgi"
}
},
"success": true
}
"和下列物品:"
@interface Response : NSObject
@property (strong, nonatomic) NSArray *data;
@property (assign, nonatomic) BOOL success;
@end
@interface SomeAPIInfo : NSObject
@property (strong, nonatomic) NSString *name;
@property (strong, nonatomic) NSString *path;
@property (strong, nonatomic) NSString *minVersion;
@property (strong, nonatomic) NSString *maxVersion;
@end
这是我的映射设置:
RKObjectMapping *responseMapping = [RKObjectMapping mappingForClass:[Response class]];
[responseMapping addAttributeMappingsFromDictionary:@{@"success": @"success"}];
RKObjectMapping *dataObjectMapping = [RKObjectMapping mappingForClass:[SomeAPIInfo class]];
dataObjectMapping.forceCollectionMapping = YES;
[dataObjectMapping addAttributeMappingFromKeyOfRepresentationToAttribute:@"name"];
[dataObjectMapping addAttributeMappingsFromDictionary:@{
@"(name).path": @"path",
@"(name).minVersion": @"minVersion",
@"(name).maxVersion": @"maxVersion"}];
[responseMapping addPropertyMapping:[RKRelationshipMapping relationshipMappingFromKeyPath:@"data"
toKeyPath:@"data"
withMapping:dataObjectMapping]];
RKResponseDescriptor *responseDescriptor = [RKResponseDescriptor responseDescriptorWithMapping:responseMapping
pathPattern:nil
keyPath:nil
statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)];
[_objectManager addResponseDescriptor:responseDescriptor];
问题在于"data"对象没有正确映射: NSArray *data; 填充了2个"SomeAPIInfo"对象。名称已经正确填写,但其他值(路径、最大版本、最小版本)为空。
我做错了什么? 是否有另一种方式来映射"data"对象?也许直接映射为NSDictionary,这样"Some.API.Auth"将是键,"SomeAPIInfo"将是对象(不包括"name"属性)。
感谢您的帮助!
编辑:我认为映射不起作用是因为键中有点号("SOME.API.Auth")。
RKMappingOperation.m:
- (NSArray *)simpleAttributeMappings
{
NSMutableArray *mappings = [NSMutableArray array];
for (RKAttributeMapping *mapping in self.nestedAttributeMappings) {
if ([mapping.sourceKeyPath rangeOfString:@"."].location == NSNotFound) {
[mappings addObject:mapping];
}
}