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- Refactor: Replace createSoap1{1,2} with create{Tnvz,App,Msg}Client.
Configure each method with zusespec's specific parameters.
Reason: Each service requires different parameters (e.g. with /
without MTOM? soap11 / soap12? store responses in binary respository
- yes/no?). These parameters could be placed in the client
configuration of application.yaml. Since the parameters are tied to
zusespecs, they do not need to be configurable via application.yaml.
Another benefit for this refactoring is to improve readability.
- Fix: Disable "Store Response" for TNVZ Client and App Client
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- Reason: Consistency
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- sed 's/tvnz/tnvz/'
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- Problem: Jaxb + JAVA >= 9 Runtime + Tomcat = ClassNotFoundException:
ContextFactory.
Reason: Apparently, jaxb uses the "wrong" classloader (the system
classloader via the thread classloader) and this classloader does
not know about jaxb api's and implementations at runtime since
oracle decided to move jaxb* out of JRE.
Solution: create a new thread, override the thread's "thread"
classloader with the "class" classloader and do all jaxb
interactions in that thread. See:
https://sjhannah.com/blog/2018/11/21/jaxb-hell-on-jdk-9/
- Move "run jaxb interactions in own thread with class class loader"
code into own component (JaxbClassNotFoundFix,
runInTheadWithClassClassLoader) and wrap ClientFactory and
Marshaller code into the "runInTheadWithClassClassLoader".
- Ensure that app can be deployed in a Tomcat container (by following
this guide: https://www.baeldung.com/spring-boot-war-tomcat-deploy)
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Schema Changes:
- Remove mzs:DeliveryRequest/TnvzMetaData because all metadata fields
can be collected from DeliveryRequest and redundancy is not needed.
Fixes and Refactoring in preprocess:
- MzsDeliveryRequestValidator: Instead of returning false, throw an
exception when a condition is not met, and explain which condition
is not met / why it is not met in the exception's message.
- Integrate interface change in ConfigProfileGenerator and
DeliveryRequestAugmenter.
- Rewrite and simplify DeliveryRequestAugmenter's augmentation.
- ConfigUtil Fixes: Ensure that we do not override the wrong
parameters while merging. This error appeared in tnvz / msg client,
connection / receive timeout, key / trust store, and lax hostname
verification / trust all.
Fix Bugs in Interceptor / SoapUtils:
- Problem: DOM access and information extraction was implemented
somewhat sloppy.
- SolutioN: Change DOM access interface to access DOM more
efficiently. Add boundary checks and handle edge cases while
extracting information from SOAP Messages.
- Test those changes properly.
Testing:
- Implement Delivery Request Flow in ITEndToEndTest.
- Start application on random port instead of fixed port when running
integration tests.
- Add assertions to tests in ITMzsServiceTest suite.
Others Bug Fixes:
- ServicesConfig: Ensure that mzs service and msg service run on
different endpoint addresses (/msg and /mzs).
- DeliveryRequestBackend: Throw exception when binary message is
missing. Don't wrap the exception.
- SaveResponseToFileSink: Wrap Response in JAXB Element (otherwise,
marshaller does not recognize it)
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Reason: MoaZSException (and: its builder) were used to collect
intermediary results while stepping through the delivery request
backend. These results were needed to generate meaningful responses
towards the sender application in case of error. However, the builder
sprawled over too many interfaces (e.g. DeliveryRequestBackend and
TNVZHelper) and it became difficult to understand from where
intermediary results originated.
Solution: Put MoaZSException on diet:
- Remove all DeliveryAnswer fields from MoaZSException and refactor
code base to ensure that the removed fields get sourced by other
means.
- Remove Builder since amount of parameters is manageable.
Refactor DeliveryRequestBackend:
- Instead of passing down the builder and using MoaZSException as the
only source for intermediary results, we collect available results
at the outermost stack frame (DeliveryRequestBackend.accept) and
only retrieve results via exception if those results appear
somewhere down the stack frame (E.g. PredviceNoteSent). We collect
available results with the "fallbackAnswerBuilder" and switch to the
msg client response, once received.
Refactor MsgResponseBackend:
- Handle cases (response missing, binary response missing) properly.
- Integrate changes from MsgResponse.generateError()
Refactor TVNZHelper:
- Remove MoaZSExceptionBuilder from all interfaces.
Refactor MsgResponse.generateError:
- Change interface such that it's more intuitive.
- Implement NotificationResponse.generateError.
- Implement RequestStatusResponse.generateError.
Others:
- Replace all invocations against MoaZSException.Builder.
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Reason:
- Interfaces with a single method can be replaced with
interfaces from java.util.function.
- Less interfaces = less code = less maintenance!
- Spring can inject beans by name so we name dependencies correctly
to prevent ambiguity.
Others:
- Rename process to backend since backend gives a better description
of its components.
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