Example usage for com.amazonaws.regions AwsRegionProvider AwsRegionProvider

Introduction

In this page you can find the example usage for com.amazonaws.regions AwsRegionProvider AwsRegionProvider.

Prototype

AwsRegionProvider

Source Link

Usage

From source file:com.netflix.genie.common.internal.configs.AwsAutoConfiguration.java

License:Apache License

/**
 * Get an AWS region provider instance. The rules for this basically follow what Spring Cloud AWS does but uses
 * the interface from the AWS SDK instead and provides a sensible default.
 * <p>/*w ww  . j  av  a 2s .  c  om*/
 * See: <a href="https://tinyurl.com/y9edl6yr">Spring Cloud AWS Region Documentation</a>
 *
 * @param awsRegionProperties The cloud.aws.region.* properties
 * @return A region provider based on whether static was set by user, else auto, else default of us-east-1
 */
@Bean
@ConditionalOnMissingBean(AwsRegionProvider.class)
public AwsRegionProvider awsRegionProvider(final AwsRegionProperties awsRegionProperties) {
    final String staticRegion = awsRegionProperties.getStatic();
    if (StringUtils.isNotBlank(staticRegion)) {
        // Make sure we have a valid region. Will throw runtime exception if not.
        final Regions region = Regions.fromName(staticRegion);
        return new AwsRegionProvider() {
            /**
             * Always return the static configured region.
             *
             * {@inheritDoc}
             */
            @Override
            public String getRegion() throws SdkClientException {
                return region.getName();
            }
        };
    } else if (awsRegionProperties.isAuto()) {
        return new DefaultAwsRegionProviderChain();
    } else {
        // Sensible default
        return new AwsRegionProvider() {
            /**
             * Always default to us-east-1.
             *
             * {@inheritDoc}
             */
            @Override
            public String getRegion() throws SdkClientException {
                return Regions.US_EAST_1.getName();
            }
        };
    }
}

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