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;
25 public class JsonUtils {
27 public static String toString(JsonElement jsonElement) {
28 if (jsonElement == null) {
31 if (!jsonElement.isJsonNull()) {
32 if (!jsonElement.isJsonObject()) {
33 return jsonElement.getAsString();
35 return jsonElement.toString();
42 public static boolean containsEntry(JsonObject json, String key) {
43 return json.get(key) != null;
46 public static boolean isEmptyJson(JsonObject json) {
47 return json.entrySet().isEmpty();
50 public static boolean isEmptyJson(JsonElement json) {
51 return json.isJsonPrimitive() ? false : JsonUtils.isEmptyJson(json.getAsJsonObject());
54 public static boolean isJsonNullOrEmpty(JsonObject json) {
55 return json.isJsonNull() || isEmptyJson(json);