本文為英文版的機器翻譯版本,如內容有任何歧義或不一致之處,概以英文版為準。
使用追蹤 Amazon S3 物件上傳或下載 AWS SDK
下列程式碼範例顯示如何追蹤 Amazon S3 物件的上傳或下載。
- Java
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- SDK對於爪哇 2.x
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注意
還有更多關於 GitHub。尋找完整範例,並了解如何在AWS 設定和執行程式碼範例儲存庫
。 跟踪文件上傳的進度。
public void trackUploadFile(S3TransferManager transferManager, String bucketName, String key, URI filePathURI) { UploadFileRequest uploadFileRequest = UploadFileRequest.builder() .putObjectRequest(b -> b.bucket(bucketName).key(key)) .addTransferListener(LoggingTransferListener.create()) // Add listener. .source(Paths.get(filePathURI)) .build(); FileUpload fileUpload = transferManager.uploadFile(uploadFileRequest); fileUpload.completionFuture().join(); /* The SDK provides a LoggingTransferListener implementation of the TransferListener interface. You can also implement the interface to provide your own logic. Configure log4J2 with settings such as the following. <Configuration status="WARN"> <Appenders> <Console name="AlignedConsoleAppender" target="SYSTEM_OUT"> <PatternLayout pattern="%m%n"/> </Console> </Appenders> <Loggers> <logger name="software.amazon.awssdk.transfer.s3.progress.LoggingTransferListener" level="INFO" additivity="false"> <AppenderRef ref="AlignedConsoleAppender"/> </logger> </Loggers> </Configuration> Log4J2 logs the progress. The following is example output for a 21.3 MB file upload. Transfer initiated... | | 0.0% |==== | 21.1% |============ | 60.5% |====================| 100.0% Transfer complete! */ }
跟踪文件下載的進度。
public void trackDownloadFile(S3TransferManager transferManager, String bucketName, String key, String downloadedFileWithPath) { DownloadFileRequest downloadFileRequest = DownloadFileRequest.builder() .getObjectRequest(b -> b.bucket(bucketName).key(key)) .addTransferListener(LoggingTransferListener.create()) // Add listener. .destination(Paths.get(downloadedFileWithPath)) .build(); FileDownload downloadFile = transferManager.downloadFile(downloadFileRequest); CompletedFileDownload downloadResult = downloadFile.completionFuture().join(); /* The SDK provides a LoggingTransferListener implementation of the TransferListener interface. You can also implement the interface to provide your own logic. Configure log4J2 with settings such as the following. <Configuration status="WARN"> <Appenders> <Console name="AlignedConsoleAppender" target="SYSTEM_OUT"> <PatternLayout pattern="%m%n"/> </Console> </Appenders> <Loggers> <logger name="software.amazon.awssdk.transfer.s3.progress.LoggingTransferListener" level="INFO" additivity="false"> <AppenderRef ref="AlignedConsoleAppender"/> </logger> </Loggers> </Configuration> Log4J2 logs the progress. The following is example output for a 21.3 MB file download. Transfer initiated... |======= | 39.4% |=============== | 78.8% |====================| 100.0% Transfer complete! */ }
如需 AWS SDK開發人員指南和程式碼範例的完整清單,請參閱搭配 AWS SDK 使用此服務。本主題也包含有關入門的資訊以及舊SDK版的詳細資訊。
傳送事件通知至 EventBridge
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