Example usage for java.util.concurrent CancellationException CancellationException

List of usage examples for java.util.concurrent CancellationException CancellationException

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Introduction

In this page you can find the example usage for java.util.concurrent CancellationException CancellationException.

Prototype

public CancellationException(String message)

Source Link

Document

Constructs a CancellationException with the specified detail message.

Usage

From source file:com.amazonaws.services.s3.transfer.internal.MultipartUploadCallable.java

public UploadResult call() throws Exception {
    final String bucketName = putObjectRequest.getBucketName();
    final String key = putObjectRequest.getKey();

    fireProgressEvent(ProgressEvent.STARTED_EVENT_CODE);

    String uploadId = initiateMultipartUpload(putObjectRequest);

    long optimalPartSize = TransferManagerUtils.calculateOptimalPartSize(putObjectRequest, configuration);
    log.debug("Calculated optimal part size: " + optimalPartSize);

    try {/*from   w  w w .  ja v  a 2s. c om*/
        final List<PartETag> partETags = new ArrayList<PartETag>();
        UploadPartRequestFactory requestFactory = new UploadPartRequestFactory(putObjectRequest, uploadId,
                optimalPartSize);

        if (TransferManagerUtils.isUploadParallelizable(putObjectRequest)) {
            List<Future<PartETag>> futures = new ArrayList<Future<PartETag>>();
            while (requestFactory.hasMoreRequests()) {
                if (threadPool.isShutdown())
                    throw new CancellationException("TransferManager has been shutdown");
                UploadPartRequest request = requestFactory.getNextUploadPartRequest();
                futures.add(threadPool.submit(new UploadPartCallable(s3, request)));
            }
            this.collectPartETags(futures, partETags);
        } else {
            while (requestFactory.hasMoreRequests()) {
                if (threadPool.isShutdown())
                    throw new CancellationException("TransferManager has been shutdown");
                partETags.add(s3.uploadPart(requestFactory.getNextUploadPartRequest()).getPartETag());
            }
        }

        CompleteMultipartUploadResult completeMultipartUploadResult = s3.completeMultipartUpload(
                new CompleteMultipartUploadRequest(bucketName, key, uploadId, partETags));
        fireProgressEvent(ProgressEvent.COMPLETED_EVENT_CODE);

        UploadResult uploadResult = new UploadResult();
        uploadResult.setBucketName(completeMultipartUploadResult.getBucketName());
        uploadResult.setKey(completeMultipartUploadResult.getKey());
        uploadResult.setETag(completeMultipartUploadResult.getETag());
        uploadResult.setVersionId(completeMultipartUploadResult.getVersionId());
        return uploadResult;
    } catch (Exception e) {
        fireProgressEvent(ProgressEvent.FAILED_EVENT_CODE);

        try {
            s3.abortMultipartUpload(new AbortMultipartUploadRequest(bucketName, key, uploadId));
        } catch (Exception e2) {
            log.info("Unable to abort multipart upload, you may need to manually remove uploaded parts: "
                    + e2.getMessage(), e2);
        }
        throw e;
    } finally {
        if (putObjectRequest.getInputStream() != null) {
            try {
                putObjectRequest.getInputStream().close();
            } catch (Exception e) {
                log.warn("Unable to cleanly close input stream: " + e.getMessage(), e);
            }
        }
    }
}

From source file:com.qwazr.server.InFileSessionPersistenceManager.java

private void writeSessionAttribute(final ObjectOutputStream draftOut, final ObjectOutputStream sessionOut,
        final String attribute, final Object object) {
    if (attribute == null || object == null || !(object instanceof Serializable))
        return;//from  www  .  j a  v  a 2 s.co  m
    // First we try to write it to the draftOutputStream
    try {
        draftOut.writeObject(object);
    } catch (IOException e) {
        LOGGER.warning(() -> "Cannot write attribute session object (draft test) " + attribute + " - "
                + object.getClass() + " - " + e.getMessage());
        return;
    }
    try {
        sessionOut.writeUTF(attribute); // Attribute name stored as string
        sessionOut.writeObject(object);
    } catch (IOException e) {
        // The attribute cannot be written, we abort
        throw new CancellationException("Cannot write session attribute " + attribute
                + ": persistence aborted - " + object.getClass() + " - " + e.getMessage());
    }
}

From source file:de.ncoder.studipsync.studip.jsoup.JsoupStudipAdapter.java

@Override
public boolean doLogin() throws CancellationException, StudipException {
    try {//from w w  w .j  a  v a  2 s.co m
        navigate(PAGE_LOGIN);
        if (hasCookies()) {
            restoreCookies();
            navigate(PAGE_BASE);
        } else {
            log.info("Requesting login data.");
            LoginData login = ui.requestLoginData();
            if (login != null) {
                doLogin(login);
                login.clean();
            } else {
                throw new CancellationException("Login cancelled by user");
            }
        }

        if (isLoggedIn()) {
            saveCookies();
            return true;
        } else {
            deleteCookies();
            return false;
        }
    } catch (IOException e) {
        StudipException ex = new StudipException(e);
        ex.put("studip.cookiesPath", cookiesPath);
        ex.put("studip.url", document == null ? "none" : document.baseUri());
        throw ex;
    }
}

From source file:cn.ctyun.amazonaws.services.s3.transfer.internal.UploadCallable.java

/**
 * Uploads all parts in the request in serial in this thread, then completes
 * the upload and returns the result.//ww  w . j  a  va 2  s.  c  o m
 */
private UploadResult uploadPartsInSeries(UploadPartRequestFactory requestFactory) {

    final List<PartETag> partETags = new ArrayList<PartETag>();

    while (requestFactory.hasMoreRequests()) {
        if (threadPool.isShutdown())
            throw new CancellationException("TransferManager has been shutdown");
        UploadPartRequest uploadPartRequest = requestFactory.getNextUploadPartRequest();
        // Mark the stream in case we need to reset it
        InputStream inputStream = uploadPartRequest.getInputStream();
        if (inputStream != null && inputStream.markSupported()) {
            if (uploadPartRequest.getPartSize() >= Integer.MAX_VALUE) {
                inputStream.mark(Integer.MAX_VALUE);
            } else {
                inputStream.mark((int) uploadPartRequest.getPartSize());
            }
        }
        partETags.add(s3.uploadPart(uploadPartRequest).getPartETag());
    }

    CompleteMultipartUploadResult completeMultipartUploadResult = s3
            .completeMultipartUpload(new CompleteMultipartUploadRequest(putObjectRequest.getBucketName(),
                    putObjectRequest.getKey(), multipartUploadId, partETags));

    fireProgressEvent(ProgressEvent.COMPLETED_EVENT_CODE);

    UploadResult uploadResult = new UploadResult();
    uploadResult.setBucketName(completeMultipartUploadResult.getBucketName());
    uploadResult.setKey(completeMultipartUploadResult.getKey());
    uploadResult.setETag(completeMultipartUploadResult.getETag());
    uploadResult.setVersionId(completeMultipartUploadResult.getVersionId());
    return uploadResult;
}

From source file:org.apache.hadoop.hbase.master.snapshot.CloneSnapshotHandler.java

@Override
public void cancel(String why) {
    if (this.stopped)
        return;//w ww  .  j  a v a  2 s. com
    this.stopped = true;
    String msg = "Stopping clone snapshot=" + snapshot + " because: " + why;
    LOG.info(msg);
    status.abort(msg);
    this.monitor.receive(new ForeignException(NAME, new CancellationException(why)));
}

From source file:com.sina.cloudstorage.services.scs.transfer.internal.UploadCallable.java

/**
 * Uploads all parts in the request in serial in this thread, then completes
 * the upload and returns the result./*from  w ww.j a v  a  2s.com*/
 */
private UploadResult uploadPartsInSeries(UploadPartRequestFactory requestFactory) {

    final List<PartETag> partETags = new ArrayList<PartETag>();

    while (requestFactory.hasMoreRequests()) {
        if (threadPool.isShutdown())
            throw new CancellationException("TransferManager has been shutdown");
        UploadPartRequest uploadPartRequest = requestFactory.getNextUploadPartRequest();
        // Mark the stream in case we need to reset it
        InputStream inputStream = uploadPartRequest.getInputStream();
        if (inputStream != null && inputStream.markSupported()) {
            if (uploadPartRequest.getPartSize() >= Integer.MAX_VALUE) {
                inputStream.mark(Integer.MAX_VALUE);
            } else {
                inputStream.mark((int) uploadPartRequest.getPartSize());
            }
        }
        partETags.add(s3.uploadPart(uploadPartRequest).getPartETag());
    }

    //        CompleteMultipartUploadResult completeMultipartUploadResult = s3
    //                .completeMultipartUpload(new CompleteMultipartUploadRequest(putObjectRequest.getBucketName(),
    //                        putObjectRequest.getKey(), multipartUploadId, partETags));
    //        UploadResult uploadResult = new UploadResult();
    //        uploadResult.setBucketName(completeMultipartUploadResult.getBucketName());
    //        uploadResult.setKey(completeMultipartUploadResult.getKey());
    //        uploadResult.setETag(completeMultipartUploadResult.getETag());
    //        uploadResult.setVersionId(completeMultipartUploadResult.getVersionId());
    //        return uploadResult;

    s3.completeMultipartUpload(new CompleteMultipartUploadRequest(putObjectRequest.getBucketName(),
            putObjectRequest.getKey(), multipartUploadId, partETags));

    UploadResult uploadResult = new UploadResult();
    //        uploadResult.setBucketName(completeMultipartUploadResult.getBucketName());
    //        uploadResult.setKey(completeMultipartUploadResult.getKey());
    //        uploadResult.setETag(completeMultipartUploadResult.getETag());
    //        uploadResult.setVersionId(completeMultipartUploadResult.getVersionId());
    return uploadResult;
}

From source file:uk.ac.ucl.cs.cmic.giftcloud.uploadapp.GiftCloudDialogs.java

public String showInputDialogToSelectProject(final java.util.List<String> projectMap, final Component component,
        final Optional<String> lastProject) throws IOException {
    final String lastProjectName = lastProject.isPresent() ? lastProject.get() : "";

    if (projectMap.size() < 1) {
        return null;
    }//from w ww  .  ja v  a  2s. c  o m

    String[] projectStringArray = projectMap.toArray(new String[0]);

    final String defaultSelection = projectMap.contains(lastProjectName) ? lastProjectName : null;

    final Object returnValue = JOptionPane.showInputDialog(component,
            "Please select a project to which data will be uploaded.", applicationName,
            JOptionPane.QUESTION_MESSAGE, null, projectStringArray, defaultSelection);

    if (returnValue == null) {
        throw new CancellationException("User cancelled project selection during upload");
    }

    if (!(returnValue instanceof String)) {
        throw new RuntimeException("Bad return type");
    }
    return (String) returnValue;
}

From source file:com.amazonaws.mobileconnectors.s3.transfermanager.internal.CopyCallable.java

/**
 * Submits a callable for each part to be copied to our thread pool and
 * records its corresponding Future.// w w  w  .ja v  a  2s  .  c  o m
 */
private void copyPartsInParallel(CopyPartRequestFactory requestFactory) {
    while (requestFactory.hasMoreRequests()) {
        if (threadPool.isShutdown())
            throw new CancellationException("TransferManager has been shutdown");
        CopyPartRequest request = requestFactory.getNextCopyPartRequest();
        futures.add(threadPool.submit(new CopyPartCallable(s3, request)));
    }
}

From source file:cn.ctyun.amazonaws.services.s3.transfer.internal.UploadCallable.java

/**
 * Submits a callable for each part to upload to our thread pool and records its corresponding Future.
 *//*from w w  w . ja  va 2s .  c  o  m*/
private void uploadPartsInParallel(UploadPartRequestFactory requestFactory) {
    while (requestFactory.hasMoreRequests()) {
        if (threadPool.isShutdown())
            throw new CancellationException("TransferManager has been shutdown");
        UploadPartRequest request = requestFactory.getNextUploadPartRequest();
        futures.add(threadPool.submit(new UploadPartCallable(s3, request)));
    }
}

From source file:uk.ac.ucl.cs.cmic.giftcloud.uploadapp.GiftCloudDialogs.java

public String showTextInputDialog(final Component component, final String message,
        final Optional<String> defaultName) throws IOException {
    final String initialName = defaultName.isPresent() ? defaultName.get() : "";

    String returnString = "";

    while (returnString.length() < 1) {
        final Object returnValue = JOptionPane.showInputDialog(component, message, applicationName,
                JOptionPane.PLAIN_MESSAGE, icon, null, initialName);
        if (returnValue == null) {
            throw new CancellationException("User cancelled template saving");
        }/*from   ww w  . j av a  2 s.  c  o  m*/
        if (!(returnValue instanceof String)) {
            throw new RuntimeException("Bad return type");
        }
        returnString = (String) returnValue;
    }
    return returnString;
}