1 files changed, 76 insertions, 0 deletions
diff --git a/security-util-lib/src/main/java/org/onap/sdc/security/RepresentationUtils.java b/security-util-lib/src/main/java/org/onap/sdc/security/RepresentationUtils.java
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index 0000000..af0dcc6
--- /dev/null
+++ b/security-util-lib/src/main/java/org/onap/sdc/security/RepresentationUtils.java
@@ -0,0 +1,76 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.sdc.security;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import org.onap.sdc.security.logging.elements.ErrorLogOptionalData;
+import org.onap.sdc.security.logging.elements.LogFieldsMdcHandler;
+import org.onap.sdc.security.logging.enums.EcompLoggerErrorCode;
+import org.onap.sdc.security.logging.wrappers.Logger;
+
+import java.io.IOException;
+
+public class RepresentationUtils {
+
+    private static final Logger log = Logger.getLogger(RepresentationUtils.class.getName());
+
+    /**
+     * Build JSON Representation of given Object
+     *
+     * @param elementToRepresent
+     * @return
+     * @throws IOException
+     */
+    public static <T> String toRepresentation(T elementToRepresent) throws IOException {
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        return mapper.writeValueAsString(elementToRepresent);
+    }
+
+    /**
+     * Convert JSON representation to given class
+     *
+     * @param json
+     * @param clazz
+     * @param <T>
+     * @return
+     */
+    public static <T> T fromRepresentation(String json, Class<T> clazz) {
+        ObjectMapper mapper = new ObjectMapper();
+        T object = null;
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        try {
+            object = mapper.readValue(json, clazz);
+        } catch (Exception e) {
+            log.error(EcompLoggerErrorCode.BUSINESS_PROCESS_ERROR, LogFieldsMdcHandler.getInstance().getServiceName(),new ErrorLogOptionalData(),
+                    "Error when parsing JSON of object of type {}", clazz.getSimpleName(), e);
+        } // return null in case of exception
+
+        return object;
+    }
+}