1 files changed, 107 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/publishing/MessageRouterHttpStatusMapper.java b/src/main/java/org/onap/dcae/common/publishing/MessageRouterHttpStatusMapper.java
new file mode 100644
index 00000000..b5c735b7
--- /dev/null
+++ b/src/main/java/org/onap/dcae/common/publishing/MessageRouterHttpStatusMapper.java
@@ -0,0 +1,107 @@
+/*
+ * ============LICENSE_START=======================================================
+ * VES Collector
+ * ================================================================================
+ * Copyright (C) 2021 Nokia. All rights reserved.
+ * ================================================================================
+ * 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.dcae.common.publishing;
+
+import org.jetbrains.annotations.NotNull;
+import org.onap.dcae.common.model.BackwardsCompatibilityException;
+import org.onap.dcae.common.model.InternalException;
+import org.onap.dcae.common.model.PayloadToLargeException;
+import org.onap.dcae.restapi.ApiException;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+
+import java.util.Objects;
+
+import static org.onap.dcae.ApplicationSettings.responseCompatibility;
+
+public class MessageRouterHttpStatusMapper {
+
+    private static final Logger log = LoggerFactory.getLogger(MessageRouterHttpStatusMapper.class);
+
+    private MessageRouterHttpStatusMapper() {
+    }
+
+    @NotNull
+    static HttpStatus getHttpStatus(MessageRouterPublishResponse messageRouterPublishResponse) {
+        return responseCompatibility.equals("v7.2") ?
+                getHttpStatusBackwardsCompatibility(messageRouterPublishResponse):
+                getHttpStatusWithMappedResponseCode(messageRouterPublishResponse);
+    }
+
+    @NotNull
+    private static HttpStatus getHttpStatusBackwardsCompatibility(MessageRouterPublishResponse messageRouterPublishResponse) {
+        if (isHttpOk(messageRouterPublishResponse)) {
+            log.info("Successfully send event to MR");
+            return HttpStatus.ACCEPTED;
+        } else {
+            log.error(messageRouterPublishResponse.failReason());
+            throw new BackwardsCompatibilityException();
+        }
+    }
+
+    @NotNull
+    private static HttpStatus getHttpStatusWithMappedResponseCode(MessageRouterPublishResponse messageRouterPublishResponse) {
+        if (isHttpOk(messageRouterPublishResponse)) {
+            log.info("Successfully send event to MR");
+            return HttpStatus.OK;
+        } else if (isHttp413(messageRouterPublishResponse)) {
+            log.error(messageRouterPublishResponse.failReason());
+            throw new PayloadToLargeException();
+        } else {
+            log.error(messageRouterPublishResponse.failReason());
+            throw new InternalException(responseBody(resolveHttpCode(messageRouterPublishResponse)));
+        }
+    }
+
+    @NotNull
+    private static String resolveHttpCode(MessageRouterPublishResponse messageRouterPublishResponse) {
+        return Objects.requireNonNull(messageRouterPublishResponse.failReason()).substring(0, 3);
+    }
+
+    @NotNull
+    private static ApiException responseBody(String substring) {
+        switch (substring) {
+            case "404":
+                return ApiException.NOT_FOUND;
+            case "408":
+                return ApiException.REQUEST_TIMEOUT;
+            case "429":
+                return ApiException.TOO_MANY_REQUESTS;
+            case "502":
+                return ApiException.BAD_GATEWAY;
+            case "503":
+                return ApiException.SERVICE_UNAVAILABLE;
+            case "504":
+                return ApiException.GATEWAY_TIMEOUT;
+            default:
+                return ApiException.INTERNAL_SERVER_ERROR;
+        }
+    }
+
+    private static boolean isHttpOk(MessageRouterPublishResponse messageRouterPublishResponse) {
+        return messageRouterPublishResponse.successful();
+    }
+
+    private static boolean isHttp413(MessageRouterPublishResponse messageRouterPublishResponse) {
+        return Objects.requireNonNull(messageRouterPublishResponse.failReason()).startsWith("413");
+    }
+}