1 files changed, 42 insertions, 0 deletions
diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/VTPModelBase.java b/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/VTPModelBase.java
new file mode 100644
index 00000000..f9ec6b5c
--- /dev/null
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/VTPModelBase.java
@@ -0,0 +1,42 @@
+/**
+ * Copyright 2019 Huawei Technologies Co., Ltd.
+ *
+ * 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.
+ */
+
+package org.onap.vtp;
+
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class VTPModelBase {
+    public String toJsonString() {
+        return toJsonString(this);
+    }
+
+    public static String toJsonString(Object obj) {
+        try {
+            ObjectMapper objectMapper = new ObjectMapper();
+            objectMapper.setSerializationInclusion(Include.NON_NULL);
+            objectMapper.setSerializationInclusion(Include.NON_EMPTY);
+            return objectMapper.writeValueAsString(obj);
+        } catch (JsonProcessingException e) {
+            return "{}";
+        }
+    }
+
+    public String toString() {
+        return this.toJsonString();
+    }
+}