org.moserp.common.rest.WithConverterSerializer.java Source code

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Here is the source code for org.moserp.common.rest.WithConverterSerializer.java

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/*******************************************************************************
 * Copyright 2013 Thomas Letsch (contact@thomas-letsch.de)
 *
 * 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.moserp.common.rest;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import org.springframework.core.convert.converter.Converter;

import java.io.IOException;

@RequiredArgsConstructor
public class WithConverterSerializer<TYPE> extends JsonSerializer<TYPE> {

    @NonNull
    private Converter<TYPE, String> converter;

    @Override
    public void serialize(TYPE value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
        if (value == null) {
            serializers.defaultSerializeNull(gen);
        } else {
            gen.writeString(converter.convert(value));
        }
    }
}