spring-projects/spring-integration — pull request #919 by artembilan (2013-10-11 14:22:02+00:00)
Title: INT-2809: add/extract JSON JavaType headers

* Add `AmqpHeaders` headers
* Add `JavaType` headers mapping to `DefaultAmqpHeaderMapper`
* Add ability to Json Transformers to add/extract `JavaType` headers
* Make `JsonToObjectTransformer#targetClass` as non-required and do fallback
to extract type from `JavaType` headers
* Add `JavaType` extraction in the `JsonObjectMapper` implementors

JIRA: https://jira.springsource.org/browse/INT-2809