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Tag: xmlgregoriancalendar

Jackson polymorphic serialization generates an incorrect class name

When I use Jackson polymorphic serialization, it generates a JSON object with an incorrect fully qualified class name. The code below serializes an XMLGregorianCalendar. The output is: I expected the following: Why does it output java.util.GregorianCalendar? Or more importantly: How do I fix this? Code example: Answer To get the expected behavior I have implemented a custom XMLGregorianCalendar serializer. This

java.util.Date to XMLGregorianCalendar

Isn’t there a convenient way of getting from a java.util.Date to a XMLGregorianCalendar? Answer I should like to take a step back and a modern look at this 10 years old question. The classes mentioned, Date and XMLGregorianCalendar, are old now. I challenge the use of them and offer alternatives. Date was always poorly designed and is more than 20