Callback handler

gistfile1.m

- (void)jsonCallback:(int)aCompositeId json:(const char *)json {
    NSString *jsonNSString = [NSString stringWithUTF8String:json];
    NSDictionary *root = [jsonNSString objectFromJSONString];

    if (root) {
        NSString *action = [root objectForKey:@"action"];
        NSDictionary *options = [root objectForKey:@"options"];

        if ([action isEqualToString:POI_CLICKED]) {
            [self handlePoiClicked:options];
        } else if ([action isEqualToString:CAMERA_POSITION_CHANGE]) {
            [self handleCameraPositionChange:options];
        } else {
            NSLog(@"jsonCallBack not handled: %@", jsonNSString);
        }
    } else {
        NSLog(@"jsonCallBack: Error parsing jsonString '%@'", jsonNSString);

    }
}