gistfile1.m

// This class is a thin model around
@interface RKPath : RKObject {
@private
    NSNumber* _label;
    NSArray*  _route; // An array of hashes
}

@property (nonatomic, retain) NSNumber* label;
@property (nonatomic, retain) NSArray* route;
@end

@implementation RKPath

@synthesize label = _label;
@synthesize route = _route;

+ (NSDictionary*)elementToPropertyMappings {
    return [NSDictionary dictionaryWithKeysAndObjects:            
            @"label", @"label",
            @"route", @"route",
            nil];
}

@end

@interface RKModeledPath : RKObject {
@private
    NSNumber* _label;
    NSArray*  _route; // An array of RKPoint objects
}

@property (nonatomic, retain) NSNumber* label;
@property (nonatomic, retain) NSArray* route;
@end

@implementation RKModeledPath

@synthesize label = _label;
@synthesize route = _route;

+ (NSDictionary*)elementToPropertyMappings {
    return [NSDictionary dictionaryWithKeysAndObjects:            
            @"label", @"label",
            nil];
}

+ (NSDictionary*)elementToRelationshipMappings {
    return [NSDictionary dictionaryWithKeysAndObjects:
            @"route", @"route",
            nil];
}

@end

@interface RKPoint : RKObject {
    NSNumber* _latitude;
    NSNumber* _longitude;    
}

@property (nonatomic, retain) NSNumber* latitude;
@property (nonatomic, retain) NSNumber* longitude;

@end


@implementation RKPoint

@synthesize latitude = _latitude;
@synthesize longitude = _longitude;

+ (NSDictionary*) elementToPropertyMappings {    
    return [NSDictionary dictionaryWithKeysAndObjects:            
            @"LATITUDE", @"latitude",            
            @"LONGITUDE", @"longitude",            
            nil];
}

- (NSString*)description {
    return [NSString stringWithFormat:@"RKPoint : latitude = %@, longitude = %@", self.latitude, self.longitude];
}

@end

@interface RKObjectMapperRegisteredClassWithArraySpec : NSObject <UISpec> {
@private
}
@end

@implementation RKObjectMapperRegisteredClassWithArraySpec

- (NSString*)JSON {
    // TODO: Should create a JSON factory that can read these from a fixtures directory where we can format them nicely.
    return @"[{\"route\":[{\"LATITUDE\":\"32.224519\",\"LONGITUDE\":\"-110.947325\"},{\"LATITUDE\":\"32.224542\",\"LONGITUDE\":\"-110.943861\"},{\"LATITUDE\":\"32.221431\",\"LONGITUDE\":\"-110.943930\"}],\"label\":7174},{\"route\":[{\"LATITUDE\":\"32.224519\",\"LONGITUDE\":\"-110.947325\"},{\"LATITUDE\":\"32.221402\",\"LONGITUDE\":\"-110.947293\"},{\"LATITUDE\":\"32.221431\",\"LONGITUDE\":\"-110.943930\"}],\"label\":7079},{\"route\":[{\"LATITUDE\":\"32.224519\",\"LONGITUDE\":\"-110.947325\"},{\"LATITUDE\":\"32.227820\",\"LONGITUDE\":\"-110.947293\"},{\"LATITUDE\":\"32.227843\",\"LONGITUDE\":\"-110.943865\"},{\"LATITUDE\":\"32.227879\",\"LONGITUDE\":\"-110.939531\"},{\"LATITUDE\":\"32.224599\",\"LONGITUDE\":\"-110.939495\"},{\"LATITUDE\":\"32.221476\",\"LONGITUDE\":\"-110.939496\"},{\"LATITUDE\":\"32.221431\",\"LONGITUDE\":\"-110.943930\"}],\"label\":23775}]";
}

- (void)itShouldMapAnArrayOfRoutes {
    RKObjectMapper* mapper = [[RKObjectMapper alloc] init];
	mapper.format = RKMappingFormatJSON;
    
    NSArray* array = [mapper mapFromString:[self JSON] toClass:[RKPath class] keyPath:nil];
    [expectThat([array isKindOfClass:[NSArray class]]) should:be(YES)];
    [expectThat([array count]) should:be(3)];
    NSLog(@"Array is %@", array);
    NSLog(@"First object is: %@", [array objectAtIndex:0]);
    NSLog(@"Route on first object is: %@", [[array objectAtIndex:0] route]);
}

- (void)itShouldMapRouteToAnArrayOfPoints {
    RKObjectMapper* mapper = [[RKObjectMapper alloc] init];
	mapper.format = RKMappingFormatJSON;
    [mapper registerClass:[RKPoint class] forElementNamed:@"route"];
    
    NSArray* array = [mapper mapFromString:[self JSON] toClass:[RKModeledPath class] keyPath:nil];
    [expectThat([array isKindOfClass:[NSArray class]]) should:be(YES)];
    [expectThat([array count]) should:be(3)];
    NSLog(@"[Modeled] Array is %@", array);
    NSLog(@"[Modeled] First object is: %@", [array objectAtIndex:0]);
    NSLog(@"[Modeled] Route on first object is: %@", [[array objectAtIndex:0] route]);
}

@end