1 files changed, 84 insertions, 0 deletions
diff --git a/src/main/java/org/onap/pomba/contextbuilder/networkdiscovery/service/rs/RestServiceImpl.java b/src/main/java/org/onap/pomba/contextbuilder/networkdiscovery/service/rs/RestServiceImpl.java
new file mode 100644
index 0000000..6c79545
--- /dev/null
+++ b/src/main/java/org/onap/pomba/contextbuilder/networkdiscovery/service/rs/RestServiceImpl.java
@@ -0,0 +1,84 @@
+/*
+ * ============LICENSE_START===================================================
+ * Copyright (c) 2018 Amdocs
+ * ============================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=====================================================
+ */
+package org.onap.pomba.contextbuilder.networkdiscovery.service.rs;
+
+import java.util.UUID;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+import org.onap.pomba.common.datatypes.ModelContext;
+import org.onap.pomba.contextbuilder.networkdiscovery.exception.DiscoveryException;
+import org.onap.pomba.contextbuilder.networkdiscovery.exception.ErrorMessage;
+
+import org.onap.pomba.contextbuilder.networkdiscovery.service.SpringService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+@Component
+public class RestServiceImpl implements RestService {
+    private static Logger log = LoggerFactory.getLogger(RestService.class);
+    private static final String EMPTY_JSON_OBJECT = "{}";
+    private static final String HEADER_REQUEST_ID = "X-ONAP-RequestID";
+
+    @Autowired
+    private SpringService service;
+
+    @Override
+    public Response getContext(HttpServletRequest req,
+                               String authorization,
+                               String partnerName,
+                               String requestId,
+                               String serviceInstanceId,
+                               String modelVersionId,
+                               String modelInvariantId) throws DiscoveryException {
+
+        // Do some validation on Http headers and URL parameters
+
+        if (requestId == null || requestId.isEmpty()) {
+               requestId = UUID.randomUUID().toString();
+               log.debug(HEADER_REQUEST_ID + " is missing; using newly generated value: " + requestId);
+        }
+
+        try {
+            ModelContext sdContext = service.getContext(req, partnerName, authorization, requestId, serviceInstanceId, modelVersionId, modelInvariantId);
+            if (sdContext == null) {
+                // Return empty JSON
+                return Response.ok().entity(EMPTY_JSON_OBJECT).build();
+            } else {
+                Gson gson = new GsonBuilder().create();
+                return Response.ok().entity(gson.toJson(sdContext)).build();
+            }
+        } catch (DiscoveryException x) {
+            log.error(ErrorMessage.CONTEXT_BUILDER_FAILED);
+            return Response.status(x.getHttpStatus()).entity(x.getMessage()).build();
+
+        } catch (Exception x) {
+            log.error(ErrorMessage.CONTEXT_BUILDER_FAILED, x);
+            return Response.status(Status.INTERNAL_SERVER_ERROR).entity(x.getMessage()).build();
+        }
+    }
+
+
+}