CRT AWS ベースの HTTP クライアントを設定する

デフォルトでは、 は Linux、Windows、macOS AWS など、複数のプラットフォームのバイナリを含む CRT アーティファクトの uber-jar aws-crt-clientを使用します。

<project>
   <properties>
     <aws.sdk.java.version>2.29.10*</aws.sdk.java.version>
  </properties>
  <dependencyManagement>
   <dependencies>
      <dependency>
        <groupId>software.amazon.awssdk</groupId>
        <artifactId>bom</artifactId>
        <version>${aws.sdk.version}</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>
   </dependencies>
  </dependencyManagement>
  <dependencies>
   <dependency>
      <groupId>software.amazon.awssdk</groupId>
      <artifactId>aws-crt-client</artifactId>
   </dependency>
  </dependencies>
</project>

*赤で表示されているバージョンを、使用する Java SDK のバージョンに置き換えます。Maven Central で最新の を見つけます。

Java ランタイムをプラットフォーム固有のバージョンの CRT AWS ライブラリに制限するには、Uber-jar オプションに次の変更を加えます。

<project>
   <properties>
     <aws.sdk.java.version>2.29.101</aws.sdk.java.version>
  </properties>
   <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>software.amazon.awssdk</groupId>
                <artifactId>bom</artifactId>
                <version>${aws.sdk.java.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>software.amazon.awssdk</groupId>
            <artifactId>aws-crt-client</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>software.amazon.awssdk.crt</groupId>
                    <artifactId>aws-crt</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>software.amazon.awssdk.crt</groupId>
            <artifactId>aws-crt</artifactId>
            <version>0.31.32</version>
            <classifier>linux-x86_643</classifier>
        </dependency>
    </dependencies>

¹赤で表示されているバージョンを、使用する Java SDK のバージョンに置き換えます。Maven Central で最新の を見つけます。

²Uber-jar オプションによってsoftware.amazon.awssdk.crt:aws-crt提供される のバージョンを置き換えます。CRT AWS アーティファクトのバージョンを確認するには、次のステップを参照してください。

³ 値をプラットフォームの classifier 値に置き換えます。使用可能な値のリストについては、Java GitHub の AWS CRT ページを参照してください。

インポート

import software.amazon.awssdk.http.crt.AwsCrtHttpClient;
import software.amazon.awssdk.services.s3.S3Client;
import java.time.Duration;

コード

// Singleton: Use s3Client for all requests.
S3Client s3Client = S3Client.builder()
    .httpClientBuilder(AwsCrtHttpClient
        .builder()
        .connectionTimeout(Duration.ofSeconds(3))
        .maxConcurrency(100))
    .build();

// Perform work with the s3Client.

// Requests completed: Close the s3Client.
s3Client.close();

インポート

import software.amazon.awssdk.http.crt.AwsCrtAsyncHttpClient;
import software.amazon.awssdk.services.s3.S3AsyncClient;
import java.time.Duration;

コード

// Singleton: Use s3AsyncClient for all requests.
S3AsyncClient s3AsyncClient = S3AsyncClient.builder()
    .httpClientBuilder(AwsCrtAsyncHttpClient
        .builder()
        .connectionTimeout(Duration.ofSeconds(3))
        .maxConcurrency(100))
    .build();

// Perform work with the s3AsyncClient.

// Requests completed: Close the s3AsyncClient.
s3AsyncClient.close();

インポート

import software.amazon.awssdk.auth.credentials.EnvironmentVariableCredentialsProvider;
import software.amazon.awssdk.awscore.defaultsmode.DefaultsMode;
import software.amazon.awssdk.http.SdkHttpClient;
import software.amazon.awssdk.http.crt.AwsCrtHttpClient;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
import software.amazon.awssdk.services.s3.S3Client;
import java.time.Duration;

コード

// Create an AwsCrtHttpClient shared instance.
SdkHttpClient crtHttpClient = AwsCrtHttpClient.builder()
    .connectionTimeout(Duration.ofSeconds(3))
    .maxConcurrency(100)
    .build();

// Singletons: Use the s3Client and dynamoDbClient for all requests.
S3Client s3Client = S3Client.builder()
    .httpClient(crtHttpClient)
    .credentialsProvider(EnvironmentVariableCredentialsProvider.crea
    .defaultsMode(DefaultsMode.IN_REGION)
    .region(Region.US_EAST_1)
    .build();

DynamoDbClient dynamoDbClient = DynamoDbClient.builder()
    .httpClient(crtHttpClient)
    .credentialsProvider(EnvironmentVariableCredentialsProvider.crea
    .defaultsMode(DefaultsMode.IN_REGION)
    .region(Region.US_EAST_1)
    .build();

// Requests completed: Close all service clients.
s3Client.close();
dynamoDbClient.close();
crtHttpClient.close();  // Explicitly close crtHttpClient.

インポート

import software.amazon.awssdk.auth.credentials.EnvironmentVariableCredentialsProvider;
import software.amazon.awssdk.awscore.defaultsmode.DefaultsMode;
import software.amazon.awssdk.http.async.SdkAsyncHttpClient;
import software.amazon.awssdk.http.crt.AwsCrtAsyncHttpClient;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.dynamodb.DynamoDbAsyncClient;
import software.amazon.awssdk.services.s3.S3AsyncClient;
import java.time.Duration;

コード

// Create an AwsCrtAsyncHttpClient shared instance.
SdkAsyncHttpClient crtAsyncHttpClient = AwsCrtAsyncHttpClient.builder()
    .connectionTimeout(Duration.ofSeconds(3))
    .maxConcurrency(100)
    .build();

// Singletons: Use the s3AsyncClient and dynamoDbAsyncClient for all requests.
S3AsyncClient s3AsyncClient = S3AsyncClient.builder()
    .httpClient(crtAsyncHttpClient)
    .credentialsProvider(EnvironmentVariableCredentialsProvider.create())
    .defaultsMode(DefaultsMode.IN_REGION)
    .region(Region.US_EAST_1)
    .build();

DynamoDbAsyncClient dynamoDbAsyncClient = DynamoDbAsyncClient.builder()
    .httpClient(crtAsyncHttpClient)
    .credentialsProvider(EnvironmentVariableCredentialsProvider.create())
    .defaultsMode(DefaultsMode.IN_REGION)
    .region(Region.US_EAST_1)
    .build();

// Requests completed: Close all service clients.
s3AsyncClient.close();
dynamoDbAsyncClient.close();
crtAsyncHttpClient.close();  // Explicitly close crtAsyncHttpClient.

インポート

import software.amazon.awssdk.http.crt.AwsCrtHttpClient;
import software.amazon.awssdk.services.s3.S3Client;
import java.time.Duration;

コード

// Singleton: Use the s3Client for all requests.
S3Client s3Client = S3Client.builder()
    .httpClientBuilder(AwsCrtHttpClient
        .builder()
        .connectionHealthConfiguration(builder -> builder
            .minimumThroughputInBps(32000L)
            .minimumThroughputTimeout(Duration.ofSeconds(3)))
        .connectionMaxIdleTime(Duration.ofSeconds(5)))
    .build();

// Perform work with s3Client.

// Requests complete: Close the service client.
s3Client.close();

インポート

import software.amazon.awssdk.http.crt.AwsCrtAsyncHttpClient;
import software.amazon.awssdk.services.s3.S3AsyncClient;
import java.time.Duration;

コード

// Singleton: Use the s3AsyncClient for all requests.
S3AsyncClient s3AsyncClient = S3AsyncClient.builder()
    .httpClientBuilder(AwsCrtAsyncHttpClient
        .builder()
        .connectionHealthConfiguration(builder -> builder
            .minimumThroughputInBps(32000L)
            .minimumThroughputTimeout(Duration.ofSeconds(3)))
        .connectionMaxIdleTime(Duration.ofSeconds(5)))
    .build();

// Perform work with s3AsyncClient.

// Requests complete: Close the service client.
s3AsyncClient.close();

インポート

import software.amazon.awssdk.http.SdkHttpClient;
import software.amazon.awssdk.http.crt.AwsCrtHttpClient;
import software.amazon.awssdk.http.crt.ProxyConfiguration;

コード

SdkHttpClient crtHttpClient = AwsCrtHttpClient.builder()
    .proxyConfiguration(ProxyConfiguration.builder()
        .scheme("https")
        .host("myproxy")
        .port(1234)
        .username("username")
        .password("password")
        .nonProxyHosts(Set.of("localhost", "host.example.com"))
        .build())
    .build();

インポート

import software.amazon.awssdk.http.async.SdkAsyncHttpClient;
import software.amazon.awssdk.http.crt.AwsCrtAsyncHttpClient;
import software.amazon.awssdk.http.crt.ProxyConfiguration;

コード

SdkAsyncHttpClient crtAsyncHttpClient = AwsCrtAsyncHttpClient.builder()
    .proxyConfiguration(ProxyConfiguration.builder()
        .scheme("https")
        .host("myproxy")
        .port(1234)
        .username("username")
        .password("password")
        .nonProxyHosts(Set.of("localhost", "host.example.com"))
        .build())
    .build();