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/**
* Copyright 2019 Huawei Technologies Co., Ltd.
*
* 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.
*/
package org.onap.vtp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.gson.Gson;
public class VTPModelBase {
public static final Logger logger = LoggerFactory.getLogger(VTPModelBase.class);
private static Gson gson = new Gson();
public String toJsonString() {
return toJsonString(this);
}
public static String toJsonString(Object obj) {
try {
/*
The default behaviour implemented in Gson is that null object fields are ignored.
Means Gson object does not serialize fields with null values to JSON.
If a field in a Java object is null, Gson excludes it.
ref: http://tutorialtous.com/gson/serializingNullFields.php
ref: https://howtodoinjava.com/gson/serialize-null-values/
*/
return gson.toJson(obj);
} catch (Exception e) { //NOSONAR
logger.error("Exception occurs ",e);
return "{}";
}
}
public String toString() {
return this.toJsonString();
}
}
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