import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Bean
public AmazonKinesisAsync amazonKinesis(AWSCredentialsProvider awsCredentialsProvider,
		RegionProvider regionProvider) {

	return AmazonKinesisAsyncClientBuilder.standard()
			.withCredentials(awsCredentialsProvider)
			.withRegion(
					regionProvider.getRegion()
							.getName())
			.build();
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Bean(destroyMethod = "close")
public DataSource dataSource(
        final DataSourceProperties dataSourceProperties,
        final AWSCredentialsProvider credentialsProvider,
        final RegionProvider regionProvider) {
    final AmazonRDSClient amazonRds = new AmazonRDSClient(credentialsProvider);
    amazonRds.setRegion(regionProvider.getRegion());

    return new HikariDataSource(dataSourceProperties.buildAmazonPoolConfig(amazonRds));
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Test
public void parse_staticConfiguredRegion_createsStaticRegionProviderWithSpecifiedRegion() throws Exception {
    //Arrange
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(getClass().getSimpleName() + "-context.xml", getClass());

    //Act
    RegionProvider myRegionProvider = context.getBean(ContextRegionBeanDefinitionParser.CONTEXT_REGION_PROVIDER_BEAN_NAME, RegionProvider.class);

    //Assert
    assertNotNull(myRegionProvider);
    assertEquals(Region.getRegion(Regions.SA_EAST_1), myRegionProvider.getRegion());
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Test
public void parse_staticConfiguredRegion_createsStaticRegionProviderWithSpecifiedRegionAsExpression() throws Exception {
    //Arrange
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(getClass().getSimpleName() + "-testWithExpression.xml", getClass());

    //Act
    RegionProvider myRegionProvider = context.getBean(ContextRegionBeanDefinitionParser.CONTEXT_REGION_PROVIDER_BEAN_NAME, RegionProvider.class);

    //Assert
    assertNotNull(myRegionProvider);
    assertEquals(Region.getRegion(Regions.SA_EAST_1), myRegionProvider.getRegion());
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Test
public void parse_staticConfiguredRegion_createsStaticRegionProviderWithSpecifiedRegionAsPlaceHolder() throws Exception {
    //Arrange
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(getClass().getSimpleName() + "-testWithPlaceHolder.xml", getClass());

    //Act
    RegionProvider myRegionProvider = context.getBean(ContextRegionBeanDefinitionParser.CONTEXT_REGION_PROVIDER_BEAN_NAME, RegionProvider.class);

    //Assert
    assertNotNull(myRegionProvider);
    assertEquals(Region.getRegion(Regions.SA_EAST_1), myRegionProvider.getRegion());
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Test
public void parse_autoDetectRegion_returnEc2MetadataRegionProvider() throws Exception {
    //Arrange
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(getClass().getSimpleName() + "-testAutoDetection.xml", getClass());

    //Act
    RegionProvider myRegionProvider = context.getBean(ContextRegionBeanDefinitionParser.CONTEXT_REGION_PROVIDER_BEAN_NAME, RegionProvider.class);

    //Assert
    assertNotNull(myRegionProvider);
    assertTrue(myRegionProvider instanceof Ec2MetadataRegionProvider);
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Test
public void parse_customRegionProvider_returnAliasToCustomRegionProvider() throws Exception {
    //Arrange
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(getClass().getSimpleName() + "-testCustomRegionProvider.xml", getClass());

    //Act
    RegionProvider defaultRegionProvider = context.getBean(ContextRegionBeanDefinitionParser.CONTEXT_REGION_PROVIDER_BEAN_NAME, RegionProvider.class);
    RegionProvider myRegionProvider = context.getBean("myRegionProvider", RegionProvider.class);

    //Assert
    assertNotNull(defaultRegionProvider);
    assertNotNull(myRegionProvider);
    assertSame(defaultRegionProvider, myRegionProvider);
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Bean(name = "elasticsearchJestAwsRegion")
public String regionFromSpringCloud(RegionProvider regionProvider) {

	// Try to use SpringCloudAWS region
	return regionProvider.getRegion().getName();
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
@Bean
@ConditionalOnMissingBean
public AmazonS3 amazonS3(AWSCredentialsProvider awsCredentialsProvider, RegionProvider regionProvider) {
	return new AmazonS3Client(awsCredentialsProvider)
			.withRegion(regionProvider.getRegion());
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
public AmazonWebserviceClientFactoryBean(Class<T> clientClass, AWSCredentialsProvider credentialsProvider, RegionProvider regionProvider) {
    this(clientClass, credentialsProvider);
    setRegionProvider(regionProvider);
}
 

import org.springframework.cloud.aws.core.region.RegionProvider; //导入依赖的package包/类
public void setRegionProvider(RegionProvider regionProvider) {
    this.regionProvider = regionProvider;
}