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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 - 2018 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.onap.aaiclient.client.graphinventory;
import java.io.IOException;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
public class EmptyStringToNullSerializer extends StdSerializer<String> {
private static final long serialVersionUID = 5367385969270400106L;
public EmptyStringToNullSerializer() {
this(null);
}
public EmptyStringToNullSerializer(Class<String> t) {
super(t);
}
@Override
public void serialize(String value, JsonGenerator gen, SerializerProvider serializers)
throws IOException, JsonProcessingException {
if ("".equals(value)) {
gen.writeNull();
} else {
gen.writeString(value);
}
}
}
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