1 files changed, 123 insertions, 0 deletions
diff --git a/so-nssmf-adapter-application/src/main/java/org/onap/so/adapters/nssmf/util/NssmfAdapterUtil.java b/so-nssmf-adapter-application/src/main/java/org/onap/so/adapters/nssmf/util/NssmfAdapterUtil.java
new file mode 100644
index 0000000..d45aac4
--- /dev/null
+++ b/so-nssmf-adapter-application/src/main/java/org/onap/so/adapters/nssmf/util/NssmfAdapterUtil.java
@@ -0,0 +1,123 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd. 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.so.adapters.nssmf.util;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import org.onap.so.adapters.nssmf.enums.ActionType;
+import org.onap.so.adapters.nssmf.exceptions.ApplicationException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.onap.logging.filter.base.ErrorCode;
+import org.springframework.stereotype.Component;
+import static org.onap.so.logger.LoggingAnchor.THREE;
+import static org.onap.so.logger.MessageEnum.RA_NS_EXC;
+
+public class NssmfAdapterUtil {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(NssmfAdapterUtil.class);
+
+    public static final int BAD_REQUEST = 400;
+
+    private static final String UNMARSHAL_FAIL_MSG = "Failed to unmarshal json";
+
+    private static final String MARSHAL_FAIL_MSG = "Failed to marshal object";
+
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+
+    public static class StatusDesc {
+
+        public static final String ALLOCATE_NSS_SUCCESS = "Allocating nss is " + "successful";
+
+        public static final String MODIFY_NSS_SUCCESS = "Modify nss is " + "successful";
+
+        public static final String CREATE_NSS_SUCCESS = "Creating nss is " + "successful";
+
+        public static final String DEALLOCATE_NSS_SUCCESS = "Deallocate nss " + "is successful";
+
+        public static final String ACTIVATE_NSS_SUCCESS = "Activate nss " + "is successful";
+
+        public static final String DEACTIVATE_NSS_SUCCESS = "Deactivate nss " + "is successful";
+
+        public static final String QUERY_JOB_STATUS_FAILED = "Query job " + "status failed";
+
+        public static final String QUERY_JOB_STATUS_SUCCESS = "Query job " + "status is successful";
+
+        private StatusDesc() {
+
+        }
+    }
+
+    private NssmfAdapterUtil() {
+
+    }
+
+    public static void assertObjectNotNull(Object object) throws ApplicationException {
+        if (null == object) {
+            LOGGER.error("Object is null.");
+            throw new ApplicationException(BAD_REQUEST, "An object is null.");
+        }
+    }
+
+    public static <T> T unMarshal(String jsonstr, Class<T> type) throws ApplicationException {
+        try {
+            return MAPPER.readValue(jsonstr, type);
+        } catch (IOException e) {
+            LOGGER.error(THREE, RA_NS_EXC.toString(), ErrorCode.BusinessProcessError.getValue(), UNMARSHAL_FAIL_MSG, e);
+            throw new ApplicationException(BAD_REQUEST, UNMARSHAL_FAIL_MSG);
+        }
+    }
+
+    public static String marshal(Object srcObj) throws ApplicationException {
+        try {
+            return MAPPER.writerWithDefaultPrettyPrinter().writeValueAsString(srcObj);
+        } catch (IOException e) {
+            LOGGER.error(THREE, RA_NS_EXC.toString(), ErrorCode.BusinessProcessError.getValue(), MARSHAL_FAIL_MSG, e);
+            throw new ApplicationException(BAD_REQUEST, MARSHAL_FAIL_MSG);
+        }
+    }
+
+
+    public static String getStatusDesc(ActionType actionType) {
+        String desc = "";
+        switch (actionType) {
+            case ALLOCATE:
+                desc = StatusDesc.ALLOCATE_NSS_SUCCESS;
+                break;
+            case DEALLOCATE:
+                desc = StatusDesc.DEALLOCATE_NSS_SUCCESS;
+                break;
+            case ACTIVATE:
+                desc = StatusDesc.ACTIVATE_NSS_SUCCESS;
+                break;
+            case DEACTIVATE:
+                desc = StatusDesc.DEACTIVATE_NSS_SUCCESS;
+                break;
+            case MODIFY:
+                desc = StatusDesc.MODIFY_NSS_SUCCESS;
+                break;
+            default:
+                break;
+        }
+
+        return desc;
+    }
+}