rstoyanchev/spring-framework — pull request #2 by wilkinsona (2013-06-13 10:35:23+00:00)
Title: Allow GenericMessage subclasses to provide headers

A GenericMessage subclass may want to use a MessageHeaders subclass
to store its headers. To enable this, add a constructor to
GenericMessage that takes a MessageHeaders instance and uses the
headers as-is.