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/*-
* ============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.openecomp.sdc.common.util;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
public class JsonUtils {
public static String toString(JsonElement jsonElement) {
if (jsonElement == null) {
return null;
}
if (!jsonElement.isJsonNull()) {
if (!jsonElement.isJsonObject()) {
return jsonElement.getAsString();
} else {
return jsonElement.toString();
}
} else {
return null;
}
}
public static boolean containsEntry(JsonObject json, String key) {
return json.get(key) != null;
}
public static boolean isEmptyJson(JsonObject json) {
return json.entrySet().isEmpty();
}
public static boolean isEmptyJson(final JsonElement json) {
if (json.isJsonArray()) {
return json.getAsJsonArray().isEmpty();
}
if (json.isJsonObject()) {
return JsonUtils.isEmptyJson(json.getAsJsonObject());
}
return false;
}
public static boolean isJsonNullOrEmpty(JsonObject json) {
return json.isJsonNull() || isEmptyJson(json);
}
}
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