NSDictionary to XML String

Im using XML communication between Iphone and Java server. Using TBXml I parse incoming messages. Whats a good method to convert NSDictionary to xmlStri开发者_Python百科ng?

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This did the trick for me:

NSString *error;
NSData *xmlData = [NSPropertyListSerialization dataFromPropertyList: myDictionary
                                                             format: NSPropertyListXMLFormat_v1_0
                                                   errorDescription: &error];

NSString *xmlString = [[NSString alloc] initWithData: xmlData encoding: NSUTF8StringEncoding];

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If your dictionary consists of a limited number of classes, specifically NSData, NSString, NSArray, NSDictionary, NSDate, and NSNumber, you can use NSPropertyListSerialization, in particular the - (BOOL)writeToFile:(NSString *)path atomically:(BOOL)flag method. This will write out the data in plist XML, which is sufficient for simple cases.

Otherwise, you will probably have to write custom serialization methods for custom classes.