Examples of com.amazonaws.services.s3.model.S3ObjectInputStream

com.amazonaws.services.s3.model.S3ObjectInputStream
Input stream representing the content of an {@link S3Object}. In addition to the methods supplied by the {@link InputStream} class,{@link S3ObjectInputStream} supplies the abort() method, which will terminatean HTTP connection to the S3 object.

            }


            // Re-wrap within an S3ObjectInputStream. Explicitly do not collect
            // metrics here because we know we're ultimately wrapping another
            // S3ObjectInputStream which will take care of that.
            s3Object.setObjectContent(new S3ObjectInputStream(input, httpRequest, false));


            return s3Object;
        } catch (AmazonS3Exception ase) {
            /*
             * If the request failed because one of the specified constraints

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     *      The instruction that will be used to decrypt the object data.
     * @return
     *      The updated object where the object content input stream contains the decrypted contents.
     */
    public static S3Object decryptObjectUsingInstruction(S3Object object, EncryptionInstruction instruction) {
        S3ObjectInputStream objectContent = object.getObjectContent();


        InputStream decryptedInputStream = new RepeatableCipherInputStream(objectContent, instruction.getCipherFactory());
        object.setObjectContent(new S3ObjectInputStream(decryptedInputStream, objectContent.getHttpRequest()));
        return object;
    }

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        if (range == null || range[0] > range[1]) {
            // Make no modifications if range is invalid.
            return object;
        } else {
            try {
                S3ObjectInputStream objectContent = object.getObjectContent();
                InputStream adjustedRangeContents = new AdjustedRangeInputStream(objectContent, range[0], range[1]);
                object.setObjectContent(new S3ObjectInputStream(adjustedRangeContents, objectContent.getHttpRequest()));
                return object;
            } catch (IOException e) {
                throw new AmazonClientException("Error adjusting output to desired byte range: " + e.getMessage());
            }
        }

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             *       little more work.
             */
            s3Object.setBucketName(getObjectRequest.getBucketName());
            s3Object.setKey(getObjectRequest.getKey());


            S3ObjectInputStream input = s3Object.getObjectContent();
            if (progressListener != null) {
                ProgressReportingInputStream progressReportingInputStream = new ProgressReportingInputStream(input, progressListener);
                progressReportingInputStream.setFireCompletedEvent(true);
                input = new S3ObjectInputStream(progressReportingInputStream, input.getHttpRequest());
                fireProgressEvent(progressListener, ProgressEvent.STARTED_EVENT_CODE);
            }


            if (getObjectRequest.getRange() == null && System.getProperty("com.amazonaws.services.s3.disableGetObjectMD5Validation") == null) {
                byte[] serverSideHash = null;
                String etag = s3Object.getObjectMetadata().getETag();
                if (etag != null && ServiceUtils.isMultipartUploadETag(etag) == false) {
                    serverSideHash = BinaryUtils.fromHex(s3Object.getObjectMetadata().getETag());
                    DigestValidationInputStream inputStreamWithMD5DigestValidation;
                    try {
                        MessageDigest digest = MessageDigest.getInstance("MD5");
                        inputStreamWithMD5DigestValidation = new DigestValidationInputStream(input, digest, serverSideHash);
                        input = new S3ObjectInputStream(inputStreamWithMD5DigestValidation, input.getHttpRequest());
                    } catch (NoSuchAlgorithmException e) {
                        log.warn("No MD5 digest algorithm available.  Unable to calculate "
                                    + "checksum and verify data integrity.", e);
                    }
                }

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        if (range[0] > range[1]) {
            // Make no modifications if range is invalid.
            return s3object;
        }
        try {
            S3ObjectInputStream objectContent = s3object.getObjectContent();
            InputStream adjustedRangeContents = new AdjustedRangeInputStream(objectContent, range[0], range[1]);
            s3object.setObjectContent(new S3ObjectInputStream(adjustedRangeContents, objectContent.getHttpRequest()));
            return s3object;
        } catch (IOException e) {
            throw new AmazonClientException("Error adjusting output to desired byte range: " + e.getMessage());
        }
    }

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     * @return
     *      The updated object where the object content input stream contains the decrypted contents.
     */
    private S3ObjectWrapper decrypt(S3ObjectWrapper wrapper,
            ContentCryptoMaterial cekMaterial, long[] range) {
        S3ObjectInputStream objectContent = wrapper.getObjectContent();
        wrapper.setObjectContent(new S3ObjectInputStream(
                new CipherLiteInputStream(objectContent, 
                    cekMaterial.getCipherLite(),
                    DEFAULT_BUFFER_SIZE),
                    objectContent.getHttpRequest()));
        return wrapper;
    }

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     *      The updated object where the object content input stream contains the decrypted contents.
     * @deprecated no longer used and will be removed in the future
     */
    @Deprecated
    public static S3Object decryptObjectUsingInstruction(S3Object object, EncryptionInstruction instruction) {
        S3ObjectInputStream objectContent = object.getObjectContent();


        InputStream decryptedInputStream = new RepeatableCipherInputStream(objectContent, instruction.getCipherFactory());
        object.setObjectContent(new S3ObjectInputStream(decryptedInputStream, objectContent.getHttpRequest()));
        return object;
    }

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        if (range == null || range[0] > range[1]) {
            // Make no modifications if range is invalid.
            return object;
        } else {
            try {
                S3ObjectInputStream objectContent = object.getObjectContent();
                InputStream adjustedRangeContents = new AdjustedRangeInputStream(objectContent, range[0], range[1]);
                object.setObjectContent(new S3ObjectInputStream(adjustedRangeContents, objectContent.getHttpRequest()));
                return object;
            } catch (IOException e) {
                throw new AmazonClientException("Error adjusting output to desired byte range: " + e.getMessage());
            }
        }

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     *      The instruction that will be used to decrypt the object data.
     * @return
     *      The updated object where the object content input stream contains the decrypted contents.
     */
    public static S3Object decryptObjectUsingInstruction(S3Object object, EncryptionInstruction instruction) {
        S3ObjectInputStream objectContent = object.getObjectContent();


        InputStream decryptedInputStream = new RepeatableCipherInputStream(objectContent, instruction.getCipherFactory());
        object.setObjectContent(new S3ObjectInputStream(decryptedInputStream, objectContent.getHttpRequest()));
        return object;
    }

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        if (range == null || range[0] > range[1]) {
            // Make no modifications if range is invalid.
            return object;
        } else {
            try {
                S3ObjectInputStream objectContent = object.getObjectContent();
                InputStream adjustedRangeContents = new AdjustedRangeInputStream(objectContent, range[0], range[1]);
                object.setObjectContent(new S3ObjectInputStream(adjustedRangeContents, objectContent.getHttpRequest()));
                return object;
            } catch (IOException e) {
                throw new AmazonClientException("Error adjusting output to desired byte range: " + e.getMessage());
            }
        }

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Related Classes of com.amazonaws.services.s3.model.S3ObjectInputStream

com.amazonaws.auth.AWSCredentials

com.amazonaws.ClientConfiguration

com.amazonaws.event.ProgressListener

com.amazonaws.event.ProgressListenerChain

com.amazonaws.http.HttpRequest

com.amazonaws.internal.MetricAware

com.amazonaws.metrics.MetricFilterInputStream

com.amazonaws.services.dynamodbv2.datamodeling.S3Link

com.amazonaws.services.s3.AmazonS3Client

com.amazonaws.services.s3.AmazonS3EncryptionClient

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