1 files changed, 53 insertions, 0 deletions
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/RepresentationUtils.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/RepresentationUtils.java
new file mode 100644
index 0000000000..b647fa3a65
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/RepresentationUtils.java
@@ -0,0 +1,53 @@
+package org.openecomp.sdc.securityutil;
+
+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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+public class RepresentationUtils {
+
+    private static final Logger log = LoggerFactory.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("Error when parsing JSON of object of type {}", clazz.getSimpleName(), e);
+        } // return null in case of exception
+
+        return object;
+    }
+}