/*
 * Copyright 2019 Mitsunori Komatsu (komamitsu)
 *
 * 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.komamitsu.fluency;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.komamitsu.fluency.recordformat.AbstractRecordFormatter;

import java.nio.ByteBuffer;
import java.util.Map;

public class JsonRecordFormatter
        extends AbstractRecordFormatter
{
    private ObjectMapper objectMapper = new ObjectMapper();

    public JsonRecordFormatter()
    {
        super(new Config());
    }

    @Override
    public byte[] format(String tag, Object timestamp, Map<String, Object> data)
    {
        try {
            return objectMapper.writeValueAsBytes(data);
        }
        catch (JsonProcessingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public byte[] formatFromMessagePack(String tag, Object timestamp, byte[] mapValue, int offset, int len)
    {
        throw new RuntimeException("Shouldn't be called");
    }

    @Override
    public byte[] formatFromMessagePack(String tag, Object timestamp, ByteBuffer mapValue)
    {
        throw new RuntimeException("Shouldn't be called");
    }

    @Override
    public String formatName()
    {
        return "json";
    }
}
