Implement ForwardResponseToService Sink And All Its Implications

MZS Schema Change:
- Add configuration for ForwardResponseToServiceSink
  (add parameters in mzs:DeliveryRequest/Config)
- Add sink configuration in application.yaml, convert from Spring
  Environment to ConfigType, and merge ConfigTypes.
- Validate sink configuration completeness.

Contract added:
- Add contract mzs2app.wsdl: This contract specifies how
  mzs:DeliveryRequestStatus' and mzs:DeliveryNotifications are
  forwarded to the sender application.
- Implement "ForwardResponseToService" Sink.
- Add and implement MsgResponse.sendToMzsClient() : This is a somewhat
  unfortunate solution because, intuitively, sending should be done by
  it's caller, the "ForwardResponseToService"-sink. However, this
  solution prevents differences between msg:DeliveryRequestStatus and
  msg:DeliveryNotification (and code that needs to handle differences,
  i.e. sending) from sprawling outside of the respective MsgResponse
  derivatives. We move the entire "send" process into MsgResponse to
  prevent a hard-to-maintain "if type == notification then do x else
  to y" construct in ForwardResponseToServiceSink. Otherwise,
  introducing the MsgResponse wrapper was pointless.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/main/java/at/gv/egiz/moazs/scheme/RequestStatusResponse.java b/src/main/java/at/gv/egiz/moazs/scheme/RequestStatusResponse.java
index 3b4710b..14e22ad 100644
--- a/src/main/java/at/gv/egiz/moazs/scheme/RequestStatusResponse.java
+++ b/src/main/java/at/gv/egiz/moazs/scheme/RequestStatusResponse.java
@@ -1,12 +1,15 @@
 package at.gv.egiz.moazs.scheme;
 
 import at.gv.egiz.moazs.MoaZSException;
+import at.gv.zustellung.app2mzs.xsd.Mzs2AppPortType;
 import at.gv.zustellung.msg.xsd.DeliveryAnswerType;
 import at.gv.zustellung.msg.xsd.DeliveryRequestStatusType;
 import at.gv.zustellung.msg.xsd.ErrorInfoType;
 import at.gv.zustellung.msg.xsd.ObjectFactory;
 
 import javax.xml.bind.JAXBElement;
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
 
 import static at.gv.egiz.moazs.util.NullCoalesce.coalesce;
 import static at.gv.zustellung.msg.xsd.DeliveryRequestStatusType.Error.errorBuilder;
@@ -82,7 +85,13 @@ public class RequestStatusResponse extends MsgResponse<DeliveryRequestStatusType
                 .build();
 
         return new RequestStatusResponse(status);
+    }
 
+    @Override
+    public CompletableFuture<Void> sendToMzsClient(Msg2MzsConverter converter, Optional<byte[]> signedStatus, Mzs2AppPortType client) {
+        var msgStatus = converter.convert(status, signedStatus);
+        client.forwardStatus(msgStatus);
+        return CompletableFuture.completedFuture(null);
     }
 
 }