How do I add a type to GWT's Serialization Policy whitelist?

Question

GWT\'s serializer has limited java.io.Serializable support, but for security reasons there is a whitelist of types it supports. The documentation I\'ve found,

Answer 1

The whitelist is generated by the gwt compiler and contains all the entries that are designated by the IsSerializable marker interface.

To add a type to the list you just need to make sure that the class implements the IsSerializable interface.

-- Andrej

This is probably the easiest solution. The only thing to remember with this is that all the classes that you want to serialize should have "public, no-argument" constructor, and (depending upon requirements) setter methods for the member fields.