1 files changed, 89 insertions, 0 deletions
diff --git a/src/main/java/org/onap/pomba/contextbuilder/aai/service/rs/RestServiceImpl.java b/src/main/java/org/onap/pomba/contextbuilder/aai/service/rs/RestServiceImpl.java
new file mode 100644
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--- /dev/null
+++ b/src/main/java/org/onap/pomba/contextbuilder/aai/service/rs/RestServiceImpl.java
@@ -0,0 +1,89 @@
+/*
+ * ============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.aai.service.rs;
+
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import javax.ws.rs.core.HttpHeaders;
+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.aai.common.LogMessages;
+import org.onap.pomba.contextbuilder.aai.exception.AuditException;
+import org.onap.pomba.contextbuilder.aai.service.SpringService;
+import org.onap.pomba.contextbuilder.aai.util.RestUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class RestServiceImpl implements RestService {
+    private static Logger log = LoggerFactory.getLogger(RestService.class);
+    private static final String EMPTY_JSON_STRING = "{}";
+
+
+    @Autowired
+    private SpringService service;
+
+    @Override
+    public Response getContext(HttpHeaders headers, String serviceInstanceId, String modelVersionId, String modelInvariantId, String serviceType, String customerId) {
+
+        String url = "serviceInstanceId=" + serviceInstanceId + " modelVersion="+modelVersionId +
+                " modelInvariantId="+ modelInvariantId + " serviceType="+serviceType + " customerId="+ customerId;
+        if(log.isDebugEnabled()) {
+            log.debug(LogMessages.AAI_CONTEXT_BUILDER_URL + url);
+        }
+
+
+        Response response = null;
+        String transactionId = null;
+        ModelContext aaiContext= null;
+
+        Gson gson = new GsonBuilder().create();
+
+        try {
+            // Do some validation on Http headers and URL parameters
+            RestUtil.validateHeader(headers);
+            RestUtil.validateURL(serviceInstanceId, modelVersionId, modelInvariantId, serviceType, customerId);
+
+            // Keep the same transaction id for logging purpose
+            transactionId= RestUtil.extractTranIdHeader(headers);
+
+            aaiContext = service.getContext(serviceInstanceId, modelVersionId, modelInvariantId, serviceType, customerId, transactionId);
+
+            if (aaiContext==null) {
+                // Return empty JSON
+                response = Response.ok().entity(EMPTY_JSON_STRING).build();
+            }else {
+                response = Response.ok().entity(gson.toJson(aaiContext)).build();
+            }
+        } catch (AuditException ce) {
+            if (ce.getHttpStatus() !=null) {
+                response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build();
+            }else {
+                // No response received, could be the cases of network issue: i.e. unreachable host
+                response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(ce.getMessage()).build();
+            }
+        } catch (Exception e) {
+            response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
+        }
+
+        return response;
+    }
+
+}