IOS: converts json strings to dictionaries, dictionaries to json strings, and iosjson

IOS: converts json strings to dictionaries, dictionaries to json strings, and iosjson

/*!

* @ Brief converts formatted strings in JSON format to dictionaries.

* @ Param jsonString string in JSON format

* @ Return returns the dictionary.

*/

+ (NSDictionary *) dictionaryWithJsonString :( NSString *) jsonString {

If (jsonString = nil ){

Return nil;

 

}

 

NSData * jsonData = [jsonString dataUsingEncoding: NSUTF8StringEncoding];

NSError * err;

NSDictionary * dic = [NSJSONSerialization JSONObjectWithData: jsonData

Options: NSJSONReadingMutableContainers

Error: & err];

If (err ){

NSLog (@ "json parsing failed: % @", err );

Return nil;

}

Return dic;

}

 

+ (NSString *) dictionaryToJson :( NSDictionary *) dic

{

NSError * parseError = nil;

NSData * jsonData = [NSJSONSerialization dataWithJSONObject: dic options: NSJSONWritingPrettyPrinted error: & parseError];

Return [[NSString alloc] initWithData: jsonData encoding: NSUTF8StringEncoding];

}