/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.gobblin.types;

import org.apache.avro.generic.GenericRecord;

import lombok.extern.slf4j.Slf4j;


@Slf4j
public class AvroGenericRecordTypeMapper implements TypeMapper<GenericRecord> {

  @Override
  public Object getField(GenericRecord record, String fieldPath) throws FieldMappingException {
    if (fieldPath.equals(FIELD_PATH_ALL)) {
      return record;
    }

    Object field = record;
    try {
      for (String part: fieldPath.split("\\.")) {
        field = ((GenericRecord) field).get(part);
      }
    } catch (Exception e) {
      throw new FieldMappingException("Failed to retrieve fieldPath " + fieldPath + " from record " + record.toString(), e);
    }
    return field;
  }
}
