2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.sdc.securityutil;
23 import com.fasterxml.jackson.annotation.JsonInclude;
24 import com.fasterxml.jackson.databind.DeserializationFeature;
25 import com.fasterxml.jackson.databind.ObjectMapper;
26 import com.fasterxml.jackson.databind.SerializationFeature;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
30 import java.io.IOException;
32 public class RepresentationUtils {
34 private static final Logger log = LoggerFactory.getLogger(RepresentationUtils.class.getName());
37 * Build JSON Representation of given Object
39 * @param elementToRepresent
43 public static <T> String toRepresentation(T elementToRepresent) throws IOException {
45 ObjectMapper mapper = new ObjectMapper();
46 mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
47 mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
48 return mapper.writeValueAsString(elementToRepresent);
52 * Convert JSON representation to given class
59 public static <T> T fromRepresentation(String json, Class<T> clazz) {
60 ObjectMapper mapper = new ObjectMapper();
62 mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
63 mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
64 mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
66 object = mapper.readValue(json, clazz);
67 } catch (Exception e) {
68 log.error("Error when parsing JSON of object of type {}", clazz.getSimpleName(), e);
69 } // return null in case of exception