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create file and test with snippets to use on this page of the Java De…
…v Guide: https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/transfer-manager.html checkstyle test added, which required modifying other existing files dependencies updated
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javav2/example_code/s3/src/main/java/com/example/s3/transfermanager/FileUpDownOps.java
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| @@ -0,0 +1,81 @@ | ||
| //snippet-sourcedescription:[FileUpDownOps.java demonstrates how to upload and download an object to an Amazon Simple Storage Service (Amazon S3) bucket.] | ||
| //snippet-keyword:[AWS SDK for Java v2] | ||
| //snippet-service:[Amazon S3] | ||
| /* | ||
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package com.example.s3.transfermanager; | ||
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| // snippet-start:[s3.tm.java2.file_up_down_ops.import] | ||
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| import software.amazon.awssdk.regions.Region; | ||
| import software.amazon.awssdk.transfer.s3.CompletedFileDownload; | ||
| import software.amazon.awssdk.transfer.s3.CompletedFileUpload; | ||
| import software.amazon.awssdk.transfer.s3.FileDownload; | ||
| import software.amazon.awssdk.transfer.s3.FileUpload; | ||
| import software.amazon.awssdk.transfer.s3.S3ClientConfiguration; | ||
| import software.amazon.awssdk.transfer.s3.S3TransferManager; | ||
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| import java.nio.file.Paths; | ||
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| import static software.amazon.awssdk.transfer.s3.SizeConstant.MB; | ||
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| public class FileUpDownOps { | ||
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| private String bucketName; | ||
| private String key; | ||
| private String filePath; | ||
| private String downloadedFileName; | ||
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| public FileUpDownOps(String bucketName, String key, String filePath, String downloadedFileName) { | ||
| this.bucketName = bucketName; | ||
| this.key = key; | ||
| this.filePath = filePath; | ||
| this.downloadedFileName = downloadedFileName; | ||
| } | ||
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| public String fileUploadDownload() { | ||
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| // snippet-start:[s3.tm.java2.file_up_down_ops.createclients] | ||
| S3ClientConfiguration s3ClientConfiguration = | ||
| S3ClientConfiguration.builder() | ||
| .region(Region.US_EAST_1) | ||
| .minimumPartSizeInBytes(10 * MB) | ||
| .targetThroughputInGbps(20.0) | ||
| .build(); | ||
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| S3TransferManager s3TransferManager = S3TransferManager.builder() | ||
| .s3ClientConfiguration(s3ClientConfiguration) | ||
| .build(); | ||
| // snippet-end:[s3.tm.java2.file_up_down_ops.createclients] | ||
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| // snippet-start:[s3.tm.java2.file_up_down_ops.fileupload] | ||
| FileUpload fileUpload = s3TransferManager.uploadFile(uploadFileRequestBuilder -> | ||
| uploadFileRequestBuilder | ||
| .putObjectRequest( | ||
| putObjectRequestBuilder -> putObjectRequestBuilder.bucket(bucketName).key(key)) | ||
| .source(Paths.get(filePath))); | ||
| // snippet-end:[s3.tm.java2.file_up_down_ops.fileupload] | ||
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| // snippet-start:[s3.tm.java2.file_up_down_ops.fileuploadresult] | ||
| CompletedFileUpload uploadResult = fileUpload.completionFuture().join(); | ||
| System.out.println("Etag: " + uploadResult.response().eTag()); | ||
| // snippet-end:[s3.tm.java2.file_up_down_ops.fileuploadresult] | ||
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| // snippet-start:[s3.tm.java2.file_up_down_ops.filedownload] | ||
| FileDownload downloadFile = s3TransferManager.downloadFile( | ||
| downloadFileRequestBuilder -> downloadFileRequestBuilder | ||
| .getObjectRequest(getObjectRequestBuilder -> | ||
| getObjectRequestBuilder.bucket(bucketName).key(key)) | ||
| .destination(Paths.get(downloadedFileName))); | ||
| // snippet-end:[s3.tm.java2.file_up_down_ops.filedownload] | ||
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| // snippet-start:[s3.tm.java2.file_up_down_ops.filedownloadresult] | ||
| CompletedFileDownload downloadResult = downloadFile.completionFuture().join(); | ||
| System.out.println("Content length: " + downloadResult.response().contentLength()); | ||
| // snippet-end:[s3.tm.java2.file_up_down_ops.filedownloadresult] | ||
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| return uploadResult.response().eTag() + "|" + downloadResult.response().contentType(); | ||
| } | ||
| } |
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| @@ -0,0 +1,25 @@ | ||
| <?xml version="1.0" ?> | ||
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| <!DOCTYPE module PUBLIC | ||
| "-//Checkstyle//DTD Checkstyle Configuration 1.2//EN" | ||
| "https://checkstyle.org/dtds/configuration_1_2.dtd"> | ||
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| <module name="Checker"> | ||
| <module name="TreeWalker"> | ||
|
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| <module name="IllegalCatch"/> | ||
| <module name="EmptyStatement"/> | ||
| <module name="AvoidStarImport"/> | ||
| <module name="UnusedImports"/> | ||
| <module name="ParameterAssignment"/> | ||
| <module name="LocalVariableName"/> | ||
| <module name="NoLineWrap"/> | ||
| <module name="SingleSpaceSeparator"/> | ||
| <module name="MethodName"/> | ||
| <module name="MemberName"/> | ||
| <module name="LocalVariableName"/> | ||
| <module name="LeftCurly"/> | ||
| <module name="RightCurly"/> | ||
| <module name="DeclarationOrder"/> | ||
| </module> | ||
| </module> |
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