The XMLEncoder class is a complementary alternative to
the ObjectOutputStream and can used to generate
a textual representation of a JavaBean in the same
way that the ObjectOutputStream can
be used to create binary representation of Serializable
This default implementation of the initialize method assumes
all state held in objects of this type is exposed via the
matching pairs of "setter" and "getter" methods in the order
they are returned by the Introspector.
This default implementation of the instantiate method returns
an expression containing the predefined method name "new" which denotes a
call to a constructor with the arguments as specified in
the DefaultPersistenceDelegate's constructor.