Ada lebih banyak contoh AWS SDK yang tersedia di repo Contoh [SDK AWS Doc](https://github.com/awsdocs/aws-doc-sdk-examples). GitHub 

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# Lacak unggahan atau unduh objek Amazon S3 menggunakan SDK AWS
<a name="s3_example_s3_Scenario_TrackUploadDownload_section"></a>

Contoh kode berikut menunjukkan cara melacak unggahan atau unduhan objek Amazon S3.

------
#### [ Java ]

**SDK untuk Java 2.x**  
 Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara mengatur dan menjalankannya di [Repositori Contoh Kode AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3#code-examples). 
Lacak kemajuan unggahan file.  

```
    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!
        */
    }
```
Lacak kemajuan unduhan file.  

```
    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!
        */
    }
```
+ Untuk detail API, lihat topik berikut di *Referensi API AWS SDK for Java 2.x *.
  + [GetObject](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/GetObject)
  + [PutObject](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/PutObject)

------