Synchronous reverse GeoCoding using Google Maps API

RBRevGeo.h

//
//  RBRevGeo.h
//  RevGeo
//
//  Created by Robert Bojor on 13/02/15.
//  Copyright (c) 2015 Robert Bojor. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface RBRevGeo : NSObject

+ (NSString *)getKey:(NSString *)desiredKey withLat:(float)fLat andLong:(float)fLong;

@end

RBRevGeo.m

//
//  RBRevGeo.m
//  RevGeo
//
//  Created by Robert Bojor on 13/02/15.
//  Copyright (c) 2015 Robert Bojor. All rights reserved.
//

#import "RBRevGeo.h"

@implementation RBRevGeo

+ (NSString *)getKey:(NSString *)desiredKey withLat:(float)fLat andLong:(float)fLong
{
    NSString *googleURL = [NSString stringWithFormat:@"http://maps.googleapis.com/maps/api/geocode/json?latlng=%f,%f&sensor=true", fLat, fLong];
    NSString *desiredResult = @"";
    
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:googleURL] cachePolicy:NSURLRequestReloadIgnoringLocalAndRemoteCacheData timeoutInterval:10];
    [request setHTTPMethod: @"GET"];
    NSError *requestError;
    NSURLResponse *urlResponse = nil;
    NSData *GoogleResponse = [NSURLConnection sendSynchronousRequest:request returningResponse:&urlResponse error:&requestError];
    
    if (requestError) {
        // An error occured - Not found
        desiredResult = @"Not found";
    }
    
    if ((long)[(NSHTTPURLResponse *)urlResponse statusCode] == 200) {
        NSDictionary *json = [NSJSONSerialization JSONObjectWithData:GoogleResponse options:NSJSONReadingAllowFragments error:nil];
        if ([json[@"status"] isEqualToString:@"OK"] && [json[@"results"] count]) {
            for(NSDictionary *addressResult in json[@"results"]) {
                if ([addressResult[@"address_components"] count] && [desiredResult isEqualToString:@""]) {
                    for(NSDictionary *addressComponent in addressResult[@"address_components"]) {
                        if ([addressComponent[@"types"] count] && [desiredResult isEqualToString:@""]) {
                            for (NSString *addressType in addressComponent[@"types"]) {
                                if ([addressType isEqualToString:desiredKey] && [desiredResult isEqualToString:@""]) {
                                    desiredResult = addressComponent[@"long_name"];
                                }
                            }
                        }
                    }
                }
            }
        }
    } else {
        desiredResult = @"Not found!";
    }
    
    return desiredResult;
}

@end

ViewController.m

//
//  ViewController.m
//  RevGeo
//
//  Created by Robert Bojor on 13/02/15.
//  Copyright (c) 2015 Robert Bojor. All rights reserved.
//

#import "ViewController.h"
#import "RBRevGeo.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    NSString *neighbourhood = [RBRevGeo getKey:@"neighborhood" withLat:44.212599 andLong:28.623156];
}

@end