...

This module is expected to provide a RESTful interface for receiving and querying HL7 v2 messages as well as CDA documentsCDA documents. It will conform to a subset of the RESTful FHIR specification which is planned to be used for the future IHE MHD profile once it is stable. It will pass the received data on to the content handler with the content type of the payload.

For a more detailed design of this component see: FHIR Document interface module

Content Handler Module

This module receives data from the interface handler along with the content type of that data. Using this information it is expected to forward data to the appropriate processing module that can handle that data. It is also required to have functionality to allow processing modules to be able to dynamically register and de-register their interest to data of particular content types.

...