Hi Everyone,
A few announcements on the HAPI front:
**OSGi Support**
I wanted to let you all know of an exciting new development in the HAPI
world: the development of a set of OSGi bundles, enabling HAPI to be
deployed in an OSGi container.
Development is ongoing, led by Niranjan Sharma from GE Healthcare. At this
point, we have a mostly working set of unit tests and a basic plan of attack
for getting the bundles to do something useful. Naturally, HAPI's use of
reflection and a few scattered classloaded resource issues are causing some
minor hassles, but I'm sure it can all be worked out.
If anyone is interested in contributing some time in development, testing,
documentation, etc, please by all means get in touch with either myself or
Niranjan ( [email protected] ). I'm really excited to see
where this is all leading, in my opinion (and many others) OSGi is the
future of Java, and it will be really nice to see HAPI playing well in that
sandbox.
**Next Version**
Just to keep anyone who is interested posted on the development of the core
HAPI library, a new version is in the works. I'm still not sure when it will
be released, but it is looking promising. Two major things have changes for
this cycle:
1- The codebase is being upgraded to JDK 5, allowing the use of generics and
other modern features within the library. We are planning on still
supporting JDK1.4 using the retrotranslator maven plugin to product custom
1.4 compliant JARs for anyone needing the legacy support. I have used this
approach in the past on other projects with lots of success.
2- After a great deal of profiling and optimizing, the PipeParser is now
60-70% faster and the XML parser is at least 30% faster as well. The changes
involved in these optimizations also fixed a few long standing bugs, such as
the first repetition of a repeating segment always being added to a message
structure even when it wasn't present in the message, and the fact that
unexpected segments early in a message caused the rest of the message to
parse into generic segments instead of their correct locations within the
message structure.
**hUnit**
At some point over the next release, I`ll be posting an announcement about
the release of hUnit, a new subproject of HAPI. hUnit is an HL7 application
unit testing framework, currently geared towards unit testing HL7 ESB
applications (i.e. message transformations within interface engines) as well
as message procesing applications. hUnit has been developed at UHN to
provide repeatable unit tests for our JavaCAPS HL7 message translations, and
we are quickly adding features to support our internal needs. At this point,
it is starting to become stable enough that it could be publicly consumed-
stay tuned (or get in touch if this sounds like something of particular
interest to you).
Cheers,
James
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