com.hotels.shunting.yard.receiver.sqs.SqsReceiverUtils Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of shunting-yard-receiver-sqs Show documentation
The newest version!
/**
 * Copyright (C) 2016-2019 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.receiver.sqs;

import static com.hotels.shunting.yard.common.Preconditions.checkNotNull;
import static com.hotels.shunting.yard.common.PropertyUtils.intProperty;
import static com.hotels.shunting.yard.common.PropertyUtils.stringProperty;
import static com.hotels.shunting.yard.receiver.sqs.SqsConsumerProperty.QUEUE;
import static com.hotels.shunting.yard.receiver.sqs.SqsConsumerProperty.REGION;
import static com.hotels.shunting.yard.receiver.sqs.SqsConsumerProperty.WAIT_TIME_SECONDS;

import org.apache.hadoop.conf.Configuration;

import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.AWSCredentialsProviderChain;
import com.amazonaws.auth.EC2ContainerCredentialsProviderWrapper;
import com.amazonaws.auth.EnvironmentVariableCredentialsProvider;
import com.amazonaws.auth.InstanceProfileCredentialsProvider;

import com.hotels.shunting.yard.receiver.sqs.aws.ConfigurationAwsCredentialsProvider;

public final class SqsReceiverUtils {

  private SqsReceiverUtils() {}

  public static String queue(Configuration conf) {
    return checkNotNull(stringProperty(conf, QUEUE), "Property " + QUEUE + " is not set");
  }

  public static String region(Configuration conf) {
    return checkNotNull(stringProperty(conf, REGION), "Property " + REGION + " is not set");
  }

  public static int waitTimeSeconds(Configuration conf) {
    return checkNotNull(intProperty(conf, WAIT_TIME_SECONDS), "Property " + WAIT_TIME_SECONDS + " is not set");
  }

  public static AWSCredentialsProvider credentials(final Configuration conf) {
    return new AWSCredentialsProviderChain(new EnvironmentVariableCredentialsProvider(),
        new InstanceProfileCredentialsProvider(false), new EC2ContainerCredentialsProviderWrapper(),
        new ConfigurationAwsCredentialsProvider(conf));
  }

}