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# EventBridge 使用软件开发工具包向亚马逊发送 AWS S3 事件通知
<a name="example_s3_Scenario_PutBucketNotificationConfiguration_section"></a>

以下代码示例演示如何允许存储桶向 Amazon SNS 主题和 Amazon SQS 队列发送 S3 事件通知， EventBridge 以及如何将通知路由到 Amazon SNS 主题和 Amazon SQS 队列。

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#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3#code-examples) 中查找完整示例，了解如何进行设置和运行。

```
    /** This method configures a bucket to send events to AWS EventBridge and creates a rule
     * to route the S3 object created events to a topic and a queue.
     *
     * @param bucketName Name of existing bucket
     * @param topicArn ARN of existing topic to receive S3 event notifications
     * @param queueArn ARN of existing queue to receive S3 event notifications
     *
     *  An AWS CloudFormation stack sets up the bucket, queue, topic before the method runs.
     */
    public static String setBucketNotificationToEventBridge(String bucketName, String topicArn, String queueArn) {
        try {
            // Enable bucket to emit S3 Event notifications to EventBridge.
            s3Client.putBucketNotificationConfiguration(b -> b
                    .bucket(bucketName)
                    .notificationConfiguration(b1 -> b1
                            .eventBridgeConfiguration(
                                    SdkBuilder::build)
                    ).build()).join();

            // Create an EventBridge rule to route Object Created notifications.
            PutRuleRequest putRuleRequest = PutRuleRequest.builder()
                    .name(RULE_NAME)
                    .eventPattern("""
                            {
                              "source": ["aws.s3"],
                              "detail-type": ["Object Created"],
                              "detail": {
                                "bucket": {
                                  "name": ["%s"]
                                }
                              }
                            }
                            """.formatted(bucketName))
                    .build();

            // Add the rule to the default event bus.
            PutRuleResponse putRuleResponse = eventBridgeClient.putRule(putRuleRequest)
                    .whenComplete((r, t) -> {
                        if (t != null) {
                            logger.error("Error creating event bus rule: " + t.getMessage(), t);
                            throw new RuntimeException(t.getCause().getMessage(), t);
                        }
                        logger.info("Event bus rule creation request sent successfully. ARN is: {}", r.ruleArn());
                    }).join();

            // Add the existing SNS topic and SQS queue as targets to the rule.
            eventBridgeClient.putTargets(b -> b
                    .eventBusName("default")
                    .rule(RULE_NAME)
                    .targets(List.of (
                            Target.builder()
                                    .arn(queueArn)
                                    .id("Queue")
                                    .build(),
                            Target.builder()
                                    .arn(topicArn)
                                    .id("Topic")
                                    .build())
                            )
                    ).join();
            return putRuleResponse.ruleArn();
        } catch (S3Exception e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return null;
    }
```
+ 有关 API 详细信息，请参阅《AWS SDK for Java 2.x API Reference》**中的以下主题。
  + [PutBucketNotificationConfiguration](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/PutBucketNotificationConfiguration)
  + [PutRule](https://docs.aws.amazon.com/goto/SdkForJavaV2/eventbridge-2015-10-07/PutRule)
  + [PutTargets](https://docs.aws.amazon.com/goto/SdkForJavaV2/eventbridge-2015-10-07/PutTargets)

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有关 S AWS DK 开发者指南和代码示例的完整列表，请参阅[EventBridge 与 AWS SDK 一起使用](sdk-general-information-section.md)。本主题还包括有关入门的信息以及有关先前的 SDK 版本的详细信息。