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.

3 files changed, 97 insertions, 0 deletions

diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index 2d0bed3..53d1951 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -36,6 +36,15 @@ delivery-request-configuration-profiles:
         active: false
         path: /msg-responses/
       log-response: true
+      forward-response-to-service:
+        active: false
+        mzs-client:
+          # TODO: ensure that only one url is needed to
+          # sent DeliveryRequestStatus / DeliveryNotifications
+          url: http://service.which.implements.mzs2app.wsdl/services/
+          # connection-timeout
+          # receive-timeout
+          # ssl...
 
   ssl-profile:
     msg-client:
diff --git a/src/main/resources/mzs/app2mzs.xsd b/src/main/resources/mzs/app2mzs.xsd
index 5733a00..a2d1bde 100644
--- a/src/main/resources/mzs/app2mzs.xsd
+++ b/src/main/resources/mzs/app2mzs.xsd
@@ -134,6 +134,7 @@
 		<xs:sequence>
 			<xs:element ref="SaveResponseToFile" minOccurs="0" />
 			<xs:element name="LogResponse" type="xs:boolean" minOccurs="0" />
+			<xs:element ref="ForwardResponseToService" minOccurs="0" />
 		</xs:sequence>
 	</xs:complexType>
 	<xs:element name="SaveResponseToFile" type="SaveResponseToFileType" />
@@ -143,7 +144,15 @@
 			<xs:element name="Path" type="xs:string" minOccurs="0"/>
 		</xs:sequence>
 	</xs:complexType>
+	<xs:element name="ForwardResponseToService" type="ForwardResponseToServiceType" />
+	<xs:complexType name="ForwardResponseToServiceType">
+		<xs:sequence>
+			<xs:element name="Active" type="xs:boolean" minOccurs="0"/>
+			<xs:element name="MzsClient" type="ClientType" minOccurs="0"/>
+		</xs:sequence>
+	</xs:complexType>
 	<xs:element name="DeliveryResponse" type="DeliveryResponseType"/>
+  <xs:element name="DeliveryRequestStatus" type="DeliveryResponseType"/>
 	<xs:complexType name="DeliveryResponseType">
 		<xs:choice>
 			<xs:element ref="PartialSuccess"/>
@@ -162,6 +171,7 @@
 			<xs:element ref="Error"/>
 		</xs:choice>
 	</xs:complexType>
+  <xs:element name="DeliveryRequestStatusACK" type="DeliveryNotificationACKType" />
 	<xs:element name="DeliveryNotificationACK" type="DeliveryNotificationACKType">
 		<xs:annotation>
 			<xs:documentation>Webservice Response of ZSDeliveryNotification</xs:documentation>
diff --git a/src/main/resources/mzs/mzs2app.wsdl b/src/main/resources/mzs/mzs2app.wsdl
new file mode 100644
index 0000000..930c660
--- /dev/null
+++ b/src/main/resources/mzs/mzs2app.wsdl
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<definitions
+    name="mzs2app"
+    targetNamespace="http://reference.e-government.gv.at/namespace/zustellung/mzs/app2mzs.wsdl"
+    xmlns="http://schemas.xmlsoap.org/wsdl/"
+    xmlns:mzs="http://reference.e-government.gv.at/namespace/zustellung/mzs/app2mzs#"
+    xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
+    xmlns:tns="http://reference.e-government.gv.at/namespace/zustellung/mzs/app2mzs.wsdl">
+    <import location="app2mzs.xsd"
+        namespace="http://reference.e-government.gv.at/namespace/zustellung/mzs/app2mzs#" />
+
+    <message name="DeliveryRequestStatus">
+        <part name="DeliveryRequestStatus" element="mzs:DeliveryRequestStatus"/>
+    </message>
+    <message name="DeliveryRequestStatusACK">
+        <part name="DeliveryRequestStatusACK" element="mzs:DeliveryRequestStatusACK"/>
+    </message>
+    <message name="DeliveryNotification">
+        <part name="DeliveryNotification" element="mzs:DeliveryNotification"/>
+    </message>
+    <message name="DeliveryNotificationACK">
+        <part name="DeliveryNotificationACK" element="mzs:DeliveryNotificationACK"/>
+    </message>
+
+    <portType name="mzs2appPortType">
+        <operation name="forwardStatus">
+            <input message="tns:DeliveryRequestStatus"/>
+            <output message="tns:DeliveryRequestStatusACK"/>
+        </operation>
+        <operation name="forwardNotification">
+            <input message="tns:DeliveryNotification"/>
+            <output message="tns:DeliveryNotificationACK"/>
+        </operation>
+    </portType>
+
+    <binding name="mzs2appBinding" type="tns:mzs2appPortType">
+        <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
+        <operation name="forwardStatus">
+            <soap:operation soapAction="mzs2appForwardStatus" style="document"/>
+            <input>
+                <soap:body
+                    encodingStyle=""
+                    message="tns:DeliveryRequestStatus"
+                    part="DeliveryRequestStatus"
+                    use="literal"> </soap:body>
+             </input>
+            <output>
+                <soap:body
+                    encodingStyle=""
+                    message="tns:DeliveryRequestStatusACK"
+                    part="DeliveryRequestStatusACK"
+                    use="literal"> </soap:body>
+            </output>
+        </operation>
+        <operation name="forwardNotification">
+            <soap:operation soapAction="mzs2appForwardNotification" style="document"/>
+            <input>
+                <soap:body
+                    encodingStyle=""
+                    message="tns:DeliveryNotification"
+                    part="DeliveryNotification"
+                    use="literal"> </soap:body>
+             </input>
+            <output>
+                <soap:body
+                    encodingStyle=""
+                    message="tns:DeliveryNotificationACK"
+                    part="DeliveryNotificationACK"
+                    use="literal"> </soap:body>
+            </output>
+        </operation>
+    </binding>
+     <service name="mzs2app">
+         <port binding="tns:mzs2appBinding" name="mzs2appPort">
+             <soap:address location="http://localhost:8080/app/services/mzs2app"/>
+         </port>
+     </service>
+</definitions>