NullValueSerializer.java

/*
 * Copyright (c) 2015. Escalon System-Entwicklung, Dietrich Schulten
 *
 * 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 de.escalon.hypermedia.spring.uber;

import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.NonTypedScalarSerializerBase;

import java.io.IOException;

public class NullValueSerializer extends NonTypedScalarSerializerBase<UberNode.NullValue> {

    protected NullValueSerializer() {
        super(UberNode.NullValue.class);
    }

    @Override
    public void serialize(UberNode.NullValue value, JsonGenerator jgen, SerializerProvider provider) throws IOException,
            JsonGenerationException {
        jgen.writeNull();
    }
}