Example usage for com.amazonaws.services.s3.transfer.internal S3ProgressListener S3ProgressListener

Introduction

In this page you can find the example usage for com.amazonaws.services.s3.transfer.internal S3ProgressListener S3ProgressListener.

Prototype

S3ProgressListener

Source Link

Usage

From source file:org.springframework.integration.aws.outbound.S3MessageHandler.java

License:Apache License

private Transfer upload(Message<?> requestMessage) {
    Object payload = requestMessage.getPayload();
    String bucketName = obtainBucket(requestMessage);

    String key = null;//from   w w w.  j  a  v  a2 s. c  om
    if (this.keyExpression != null) {
        key = this.keyExpression.getValue(this.evaluationContext, requestMessage, String.class);
    }

    if (payload instanceof File && ((File) payload).isDirectory()) {
        File fileToUpload = (File) payload;
        if (key == null) {
            key = fileToUpload.getName();
        }
        return this.transferManager.uploadDirectory(bucketName, key, fileToUpload, true,
                new MessageHeadersObjectMetadataProvider(requestMessage.getHeaders()));
    } else {
        ObjectMetadata metadata = new ObjectMetadata();
        if (this.uploadMetadataProvider != null) {
            this.uploadMetadataProvider.populateMetadata(metadata, requestMessage);
        }
        InputStream inputStream;
        if (payload instanceof InputStream) {
            inputStream = (InputStream) payload;
        } else if (payload instanceof File) {
            File fileToUpload = (File) payload;
            if (key == null) {
                key = fileToUpload.getName();
            }
            try {
                inputStream = new FileInputStream(fileToUpload);

                if (metadata.getContentLength() == 0) {
                    metadata.setContentLength(fileToUpload.length());
                }
                if (metadata.getContentType() == null) {
                    metadata.setContentType(Mimetypes.getInstance().getMimetype(fileToUpload));
                }

            } catch (FileNotFoundException e) {
                throw new AmazonClientException(e);
            }
        } else if (payload instanceof byte[]) {
            inputStream = new ByteArrayInputStream((byte[]) payload);
        } else {
            throw new IllegalArgumentException("Unsupported payload type: [" + payload.getClass()
                    + "]. The only supported payloads for the upload request are "
                    + "java.io.File, java.io.InputStream, byte[] and PutObjectRequest.");
        }

        Assert.state(key != null,
                "The 'keyExpression' must not be null for non-File payloads and can't evaluate to null. "
                        + "Root object is: " + requestMessage);

        if (key == null) {
            if (this.keyExpression != null) {
                throw new IllegalStateException(
                        "The 'keyExpression' [" + this.keyExpression.getExpressionString()
                                + "] must not evaluate to null. Root object is: " + requestMessage);
            } else {
                throw new IllegalStateException("Specify a 'keyExpression' for non-java.io.File payloads");
            }
        }

        if (metadata.getContentMD5() == null) {
            String contentMd5 = null;
            try {
                contentMd5 = Md5Utils.md5AsBase64(StreamUtils.copyToByteArray(inputStream));
                if (inputStream.markSupported()) {
                    inputStream.reset();
                }
                metadata.setContentMD5(contentMd5);
            } catch (IOException e) {
                throw new MessageHandlingException(requestMessage, e);
            }
        }
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, inputStream, metadata);

        S3ProgressListener progressListener = this.s3ProgressListener;

        if (this.objectAclExpression != null) {
            Object acl = this.objectAclExpression.getValue(this.evaluationContext, requestMessage);
            Assert.state(acl instanceof AccessControlList || acl instanceof CannedAccessControlList,
                    "The 'objectAclExpression' [" + this.objectAclExpression.getExpressionString()
                            + "] must evaluate to com.amazonaws.services.s3.model.AccessControlList "
                            + "or must evaluate to com.amazonaws.services.s3.model.CannedAccessControlList. "
                            + "Gotten: [" + acl + "]");

            SetObjectAclRequest aclRequest;

            if (acl instanceof AccessControlList) {
                aclRequest = new SetObjectAclRequest(bucketName, key, (AccessControlList) acl);
            } else {
                aclRequest = new SetObjectAclRequest(bucketName, key, (CannedAccessControlList) acl);
            }

            final SetObjectAclRequest theAclRequest = aclRequest;
            progressListener = new S3ProgressListener() {

                @Override
                public void onPersistableTransfer(PersistableTransfer persistableTransfer) {

                }

                @Override
                public void progressChanged(ProgressEvent progressEvent) {
                    if (ProgressEventType.TRANSFER_COMPLETED_EVENT.equals(progressEvent.getEventType())) {
                        S3MessageHandler.this.transferManager.getAmazonS3Client().setObjectAcl(theAclRequest);
                    }
                }

            };

            if (this.s3ProgressListener != null) {
                progressListener = new S3ProgressListenerChain(this.s3ProgressListener, progressListener);
            }

        }

        if (progressListener != null) {
            return this.transferManager.upload(putObjectRequest, progressListener);
        } else {
            return this.transferManager.upload(putObjectRequest);
        }
    }
}

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