com.hotels.shunting.yard.common.messaging.MessageReaderFactory Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of shunting-yard-common Show documentation

There is a newer version: 2.0.1

/**
 * Copyright (C) 2016-2018 Expedia 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 com.hotels.shunting.yard.common.messaging;

import org.apache.hadoop.conf.Configuration;

import com.hotels.shunting.yard.common.ShuntingYardException;
import com.hotels.shunting.yard.common.io.jackson.ApiarySqsMessageDeserializer;

public interface MessageReaderFactory {

  static MessageReaderFactory newInstance(String messageReaderFactoryClassName) {
    try {
      @SuppressWarnings("unchecked")
      Class clazz = (Class) Class
          .forName(messageReaderFactoryClassName);
      return clazz.newInstance();
    } catch (ClassCastException e) {
      throw new ShuntingYardException(
          "Class " + messageReaderFactoryClassName + " does not seem to be a MessageReaderFactory implementation", e);
    } catch (Exception e) {
      throw new ShuntingYardException(
          "Unable to instantiate a MessageReaderFactory of class " + messageReaderFactoryClassName, e);
    }
  }

  MessageReader newInstance(Configuration conf, ApiarySqsMessageDeserializer sqsMessageSerde);

}