org.fluentd.kafka.RawJsonStringRecordConverter Maven / Gradle / Ivy

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/**
 * Copyright 2017 ClearCode Inc.
 *
 * 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.fluentd.kafka;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.kafka.connect.data.Schema;
import org.apache.kafka.connect.errors.DataException;

import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;

public class RawJsonStringRecordConverter implements RecordConverter {
    @Override
    @SuppressWarnings("unchecked")
    public FluentdEventRecord convert(Schema schema, Object value) {
        if (value == null) {
            return null;
        }

        Map record;

        try {
            record = new ObjectMapper().readValue((String) value, LinkedHashMap.class);
        } catch (IOException e) {
            throw new DataException(e);
        }
        return new FluentdEventRecord(null, record);
    }
}