2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 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=========================================================
20 package org.openecomp.sdc.common.util;
22 import com.google.gson.JsonElement;
23 import com.google.gson.JsonObject;
24 import lombok.AccessLevel;
25 import lombok.NoArgsConstructor;
27 @NoArgsConstructor(access = AccessLevel.PRIVATE)
28 public class JsonUtils {
30 public static String toString(JsonElement jsonElement) {
31 if (jsonElement == null) {
34 if (!jsonElement.isJsonNull()) {
35 if (jsonElement.isJsonObject() || jsonElement.isJsonArray()) {
36 return jsonElement.toString();
38 return jsonElement.getAsString();
45 public static boolean containsEntry(JsonObject json, String key) {
46 return json.get(key) != null;
49 public static boolean isEmptyJson(JsonObject json) {
50 return json.entrySet().isEmpty();
53 public static boolean isEmptyJson(final JsonElement json) {
54 if (json == null || json.isJsonNull()) {
57 if (json.isJsonArray()) {
58 return json.getAsJsonArray().isEmpty();
60 if (json.isJsonObject()) {
61 return isEmptyJson(json.getAsJsonObject());
67 public static boolean isJsonNullOrEmpty(JsonObject json) {
68 return json.isJsonNull() || isEmptyJson(json);