Convert NSString to NSMutableDictionary

//JsonToDictionary method

-(NSMutableDictionary *)JsontoDictionary:(NSString*)jsonString {

    

    jsonData = [jsonString dataUsingEncoding:NSUTF32BigEndianStringEncoding];

    

    jsonDeserializer = [CJSONDeserializer deserializer];  // Third party JSON serialization

    NSError *error =nil;

    

    NSMutableDictionary *resultsDictionarytemp = [jsonDeserializer deserializeAsDictionary:jsonData error:&error];

    

    if (error != nil) {

        

        UIAlertView *errorAlertView = [[UIAlertView alloc] initWithTitle:@"Error" message:[error    localizedDescription] delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil];

        

        [errorAlertView show];

    }

    

    return resultsDictionarytemp;

}

//Invoke method

NSMutableDictionary  *json = [self JsontoDictionary:strFileContent];