1 files changed, 137 insertions, 0 deletions
diff --git a/so-etsi-sol005-adapter-application/src/main/java/org/onap/so/adapters/vfc/util/JsonUtil.java b/so-etsi-sol005-adapter-application/src/main/java/org/onap/so/adapters/vfc/util/JsonUtil.java
new file mode 100644
index 0000000..04109bd
--- /dev/null
+++ b/so-etsi-sol005-adapter-application/src/main/java/org/onap/so/adapters/vfc/util/JsonUtil.java
@@ -0,0 +1,137 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Modifications Copyright (C) 2018 IBM.
+ * Modifications Copyright (c) 2019 Samsung
+ * ================================================================================
+ * 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.vfc.util;
+
+import java.io.IOException;
+import org.onap.so.logger.LoggingAnchor;
+import org.onap.so.adapters.vfc.constant.HttpCode;
+import org.onap.so.adapters.vfc.exceptions.ApplicationException;
+import org.onap.logging.filter.base.ErrorCode;
+import org.onap.so.logger.MessageEnum;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Interface for json analyzing.<br/>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version ONAP Amsterdam Release 2017-9-6
+ */
+public class JsonUtil {
+
+    /**
+     * Log service
+     */
+    private static final Logger logger = LoggerFactory.getLogger(JsonUtil.class);
+
+    /**
+     * Mapper.
+     */
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+    private static final String UNMARSHAL_FAIL_MSG = "fail to unMarshal json";
+    static {
+        MAPPER.setConfig(MAPPER.getDeserializationConfig().without(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES));
+        MAPPER.setSerializationInclusion(Include.NON_NULL);
+    }
+
+    /**
+     * Constructor<br/>
+     * <p>
+     * </p>
+     * 
+     * @since ONAP Amsterdam Release 2017-9-6
+     */
+    private JsonUtil() {
+
+    }
+
+    /**
+     * Parse the string in form of json.<br/>
+     * 
+     * @param jsonstr json string.
+     * @param type that convert json string to
+     * @return model object
+     * @since ONAP Amsterdam Release 2017-9-6
+     */
+    public static <T> T unMarshal(String jsonstr, Class<T> type) throws ApplicationException {
+        try {
+            return MAPPER.readValue(jsonstr, type);
+        } catch (IOException e) {
+            logger.error(LoggingAnchor.THREE, MessageEnum.RA_NS_EXC.toString(),
+                    ErrorCode.BusinessProcessError.getValue(), UNMARSHAL_FAIL_MSG, e);
+            throw new ApplicationException(HttpCode.BAD_REQUEST, UNMARSHAL_FAIL_MSG);
+        }
+    }
+
+    /**
+     * Parse the string in form of json.<br/>
+     * 
+     * @param jsonstr json string.
+     * @param type that convert json string to
+     * @return model object
+     * @since ONAP Amsterdam Release 2017-9-6
+     */
+    public static <T> T unMarshal(String jsonstr, TypeReference<T> type) throws ApplicationException {
+        try {
+            return MAPPER.readValue(jsonstr, type);
+        } catch (IOException e) {
+            logger.error(LoggingAnchor.THREE, MessageEnum.RA_NS_EXC.toString(),
+                    ErrorCode.BusinessProcessError.getValue(), UNMARSHAL_FAIL_MSG, e);
+            throw new ApplicationException(HttpCode.BAD_REQUEST, UNMARSHAL_FAIL_MSG);
+        }
+    }
+
+    /**
+     * Convert object to json string.<br/>
+     * 
+     * @param srcObj data object
+     * @return json string
+     * @since ONAP Amsterdam Release 2017-9-6
+     */
+    public static String marshal(Object srcObj) throws ApplicationException {
+        try {
+            return MAPPER.writeValueAsString(srcObj);
+        } catch (IOException e) {
+            logger.error(LoggingAnchor.THREE, MessageEnum.RA_NS_EXC.toString(),
+                    ErrorCode.BusinessProcessError.getValue(), "fail to marshal json", e);
+            throw new ApplicationException(HttpCode.BAD_REQUEST, "srcObj marshal failed!");
+        }
+    }
+
+    /**
+     * Get mapper.<br/>
+     * 
+     * @return mapper
+     * @since ONAP Amsterdam Release 2017-9-6
+     */
+    public static ObjectMapper getMapper() {
+        return MAPPER;
+    }
+}