jp.xet.baseunits.jackson2.DurationSerializer.java Source code

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Here is the source code for jp.xet.baseunits.jackson2.DurationSerializer.java

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/*
 * Copyright 2013-2014 Daisuke Miyamoto. (http://d.hatena.ne.jp/daisuke-m)
 * Created on 2014/11/18
 *
 * 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 jp.xet.baseunits.jackson2;

import java.io.IOException;

import jp.xet.baseunits.time.CalendarMonth;
import jp.xet.baseunits.time.Duration;
import jp.xet.baseunits.time.TimeUnit;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

/**
 * {@link CalendarMonth}?
 * 
 * @since 2.13
 * @author daisuke
 */
public class DurationSerializer extends JsonSerializer<Duration> {

    private final TimeUnit timeUnit;

    /**
     * ??
     * @since 2.13
     */
    public DurationSerializer() {
        this(TimeUnit.millisecond);
    }

    /**
     * ??
     * 
     * @param timeUnit ??
     * @since 2.13
     */
    public DurationSerializer(TimeUnit timeUnit) {
        this.timeUnit = timeUnit;
    }

    @Override
    public Class<Duration> handledType() {
        return Duration.class;
    }

    @Override
    public void serialize(Duration value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
        long num = (value == null) ? 0 : value.to(timeUnit);
        jgen.writeNumber(num);
    }
}