com.wealdtech.jackson.modules.PeriodSerializer.java Source code

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Here is the source code for com.wealdtech.jackson.modules.PeriodSerializer.java

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/*
 * Copyright 2012 - 2014 Weald Technology Trading Limited
 *
 * 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 com.wealdtech.jackson.modules;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import org.joda.time.Period;
import org.joda.time.format.ISOPeriodFormat;
import org.joda.time.format.PeriodFormatter;

import java.io.IOException;

/**
 * Custom serializer for Joda Period objects.
 * This serializer presents Joda Period objects in ISO 8601 format.
 */
public class PeriodSerializer extends StdSerializer<Period> {
    private static PeriodFormatter formatter = ISOPeriodFormat.standard();

    public PeriodSerializer() {
        super(Period.class, true);
    }

    @Override
    public void serialize(final Period value, final JsonGenerator gen, final SerializerProvider provider)
            throws IOException {
        gen.writeString(formatter.print(value));
    }

    @Override
    public void serializeWithType(final Period value, JsonGenerator jgen, SerializerProvider provider,
            TypeSerializer typeSer) throws IOException, JsonProcessingException {
        typeSer.writeTypePrefixForScalar(value, jgen, Period.class);
        serialize(value, jgen, provider);
        typeSer.writeTypeSuffixForScalar(value, jgen);
    }
}