Examples with GetObjectRequest software.amazon.awssdk.services.s3.model.GetObjectRequest used on opensource projects

Example 16 with GetObjectRequest

use of software.amazon.awssdk.services.s3.model.GetObjectRequest in project aws-doc-sdk-examples by awsdocs.

the class DisplayFacesFrame method getObjectBytes.

public static byte[] getObjectBytes(S3Client s3, String bucketName, String keyName) {
    try {
        GetObjectRequest objectRequest = GetObjectRequest.builder().key(keyName).bucket(bucketName).build();
        ResponseBytes<GetObjectResponse> objectBytes = s3.getObjectAsBytes(objectRequest);
        byte[] data = objectBytes.asByteArray();
        return data;
    } catch (S3Exception e) {
        System.err.println(e.awsErrorDetails().errorMessage());
        System.exit(1);
    }
    return null;
}

Example 17 with GetObjectRequest

use of software.amazon.awssdk.services.s3.model.GetObjectRequest in project aws-doc-sdk-examples by awsdocs.

the class GetObjectPresignedUrl method getPresignedUrl.

// snippet-start:[presigned.java2.getobjectpresigned.main]
public static void getPresignedUrl(S3Presigner presigner, String bucketName, String keyName) {
    try {
        GetObjectRequest getObjectRequest = GetObjectRequest.builder().bucket(bucketName).key(keyName).build();
        GetObjectPresignRequest getObjectPresignRequest = GetObjectPresignRequest.builder().signatureDuration(Duration.ofMinutes(10)).getObjectRequest(getObjectRequest).build();
        // Generate the presigned request
        PresignedGetObjectRequest presignedGetObjectRequest = presigner.presignGetObject(getObjectPresignRequest);
        // Log the presigned URL
        System.out.println("Presigned URL: " + presignedGetObjectRequest.url());
        HttpURLConnection connection = (HttpURLConnection) presignedGetObjectRequest.url().openConnection();
        presignedGetObjectRequest.httpRequest().headers().forEach((header, values) -> {
            values.forEach(value -> {
                connection.addRequestProperty(header, value);
            });
        });
        // Send any request payload that the service needs (not needed when isBrowserExecutable is true)
        if (presignedGetObjectRequest.signedPayload().isPresent()) {
            connection.setDoOutput(true);
            try (InputStream signedPayload = presignedGetObjectRequest.signedPayload().get().asInputStream();
                OutputStream httpOutputStream = connection.getOutputStream()) {
                IoUtils.copy(signedPayload, httpOutputStream);
            }
        }
        // Download the result of executing the request
        try (InputStream content = connection.getInputStream()) {
            System.out.println("Service returned response: ");
            IoUtils.copy(content, System.out);
        }
    } catch (S3Exception e) {
        e.getStackTrace();
    } catch (IOException e) {
        e.getStackTrace();
    }
}

Example 18 with GetObjectRequest

use of software.amazon.awssdk.services.s3.model.GetObjectRequest in project aws-doc-sdk-examples by awsdocs.

the class GetObjectData method getObjectBytes.

// snippet-start:[s3.java2.getobjectdata.main]
public static void getObjectBytes(S3Client s3, String bucketName, String keyName, String path) {
    try {
        GetObjectRequest objectRequest = GetObjectRequest.builder().key(keyName).bucket(bucketName).build();
        ResponseBytes<GetObjectResponse> objectBytes = s3.getObjectAsBytes(objectRequest);
        byte[] data = objectBytes.asByteArray();
        // Write the data to a local file
        File myFile = new File(path);
        OutputStream os = new FileOutputStream(myFile);
        os.write(data);
        System.out.println("Successfully obtained bytes from an S3 object");
        os.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    } catch (S3Exception e) {
        System.err.println(e.awsErrorDetails().errorMessage());
        System.exit(1);
    }
}

Example 19 with GetObjectRequest

use of software.amazon.awssdk.services.s3.model.GetObjectRequest in project aws-doc-sdk-examples by awsdocs.

the class KMSEncryptionExample method getEncryptedData.

// Obtain the encrypted data, decrypt it, and write the data to a text file
public static void getEncryptedData(S3Client s3, String bucketName, String objectName, String path, String keyId) {
    try {
        GetObjectRequest objectRequest = GetObjectRequest.builder().key(objectName).bucket(bucketName).build();
        // Get the byte[] from the Amazon S3 bucket
        ResponseBytes<GetObjectResponse> objectBytes = s3.getObjectAsBytes(objectRequest);
        byte[] data = objectBytes.asByteArray();
        // Decrypt the data by using the AWS Key Management Service
        byte[] unEncryptedData = decryptData(data, keyId);
        // Write the data to a local file
        File myFile = new File(path);
        OutputStream os = new FileOutputStream(myFile);
        os.write(unEncryptedData);
        System.out.println("Successfully obtained and decrypted bytes from the Amazon S3 bucket");
        // Close the file
        os.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    } catch (S3Exception e) {
        System.err.println(e.awsErrorDetails().errorMessage());
        System.exit(1);
    }
}

Example 20 with GetObjectRequest

use of software.amazon.awssdk.services.s3.model.GetObjectRequest in project aws-doc-sdk-examples by awsdocs.

the class ExportEndpoints method downloadFromS3.

// Downloads files from an Amazon S3 bucket and writes them to the path location
public static void downloadFromS3(S3Client s3Client, String path, String s3BucketName, List<String> objectKeys) {
    try {
        for (String key : objectKeys) {
            GetObjectRequest objectRequest = GetObjectRequest.builder().bucket(s3BucketName).key(key).build();
            ResponseBytes<GetObjectResponse> objectBytes = s3Client.getObjectAsBytes(objectRequest);
            byte[] data = objectBytes.asByteArray();
            // Write the data to a local file
            String fileSuffix = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
            path = path + fileSuffix + ".gz";
            File myFile = new File(path);
            OutputStream os = new FileOutputStream(myFile);
            os.write(data);
        }
        System.out.println("Download finished.");
    } catch (S3Exception | NullPointerException | IOException e) {
        System.err.println(e.getMessage());
        System.exit(1);
    }
}