Deserialize json obj-c

Resty.m

//
//  RIP.m
//  RIP
//
//  Created by Patrick Shields on 8/21/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "Resty.h"
#import "RestyConfig.h"
@implementation Resty
+ (id)dict:(NSDictionary*)dict toClass:(Class)classType {
    NSObject *obj = [classType new];
    for (NSString *key in [dict allKeys]) {
        id val = [dict objectForKey:key];
        /* Key is an array, recursive search for nested objects */
        if ([val isKindOfClass:[NSMutableArray class]]) {
            for (int i=0; i<[val count]; i++) {
                if ([[val objectAtIndex:i] isKindOfClass:[NSMutableDictionary class]]) {
                    [val replaceObjectAtIndex:i withObject:[Resty dict:[val objectAtIndex:i] toMappedName:key]];
                }
            }
        } else if ([val isKindOfClass:[NSMutableDictionary class]]) {
            val = [Resty dict:val toMappedName:key];
        }
        [obj setValue:val forKey:key];
    }
    return obj;
}

+ (id)dict:(NSDictionary *)dict toMappedName:(NSString*)key {
    RestyConfig *config = [RestyConfig sharedInstance];
    
    Class subClass = [config.mappings objectForKey:key];
    return [Resty dict:dict toClass:subClass];
}
@end