Intercept Incoming DeliveryRequestStatus and Store as byte[]

- Add egovutils dependency (Reason: Need DomUtils to serialize /
  unserialize Soap Message via DOMParser)
- Add Incerceptor to MsgClient / -Factory that stores the message
  content byte-by-byte in the DeliveryRepository. The format is
  required for successfully validating a DeliveryRequestStatus.
- Add SoapUtils, which interacts with byte[] Soap message.
- Add CXFMessageUtils, which interacts with CXF Messages from
  interceptor chains.
- Refactor xsd namespaces: Move them out from the PrefixMapper and
  into a dedicated class.

1 files changed, 55 insertions, 0 deletions

diff --git a/src/main/java/at/gv/egiz/moazs/msg/StoreSOAPBodyBinaryInRepositoryInterceptor.java b/src/main/java/at/gv/egiz/moazs/msg/StoreSOAPBodyBinaryInRepositoryInterceptor.java
new file mode 100644
index 0000000..4e023ac
--- /dev/null
+++ b/src/main/java/at/gv/egiz/moazs/msg/StoreSOAPBodyBinaryInRepositoryInterceptor.java
@@ -0,0 +1,55 @@
+package at.gv.egiz.moazs.msg;
+
+import at.gv.egiz.moazs.MoaZSException;
+import at.gv.egiz.moazs.repository.DeliveryRepository;
+import at.gv.egiz.moazs.scheme.SOAPUtils;
+import at.gv.egiz.moazs.util.CXFMessageUtils;
+import org.apache.cxf.message.Message;
+import org.apache.cxf.phase.AbstractPhaseInterceptor;
+import org.apache.cxf.phase.Phase;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+
+import javax.xml.parsers.ParserConfigurationException;
+import java.io.IOException;
+
+@Component
+public class StoreSOAPBodyBinaryInRepositoryInterceptor extends AbstractPhaseInterceptor<Message> {
+
+    private static final Logger log = LoggerFactory.getLogger(StoreSOAPBodyBinaryInRepositoryInterceptor.class);
+
+    private final CXFMessageUtils messageUtils;
+    private final SOAPUtils soapUtils;
+    private final DeliveryRepository repository;
+
+    @Autowired
+    public StoreSOAPBodyBinaryInRepositoryInterceptor(CXFMessageUtils extractor, SOAPUtils soapUtils,
+                                                      DeliveryRepository repository) {
+        super(Phase.RECEIVE);
+        this.messageUtils = extractor;
+        this.soapUtils = soapUtils;
+        this.repository = repository;
+    }
+
+    public void handleMessage(Message message) {
+
+        try {
+            byte[] content = messageUtils.copyContent(message);
+
+            if(content.length > 0) {
+                Element document = soapUtils.toDOM(content);
+                byte[] status = soapUtils.unwrapSoapEnvelope(document);
+                String appDeliveryId = soapUtils.getAppDeliveryIDFrom(document);
+                repository.addSignedDeliveryRequestStatus(status, appDeliveryId);
+                log.info("Store binary DeliveryRequestStatus with AppDeliveryId={}", appDeliveryId);
+            }
+        } catch (ParserConfigurationException | SAXException | IOException | NullPointerException e) {
+            throw new MoaZSException("Could not extract signed data from message.", e);
+        }
+    }
+
+}