Example usage for com.google.common.io ByteSource empty

List of usage examples for com.google.common.io ByteSource empty

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Introduction

In this page you can find the example usage for com.google.common.io ByteSource empty.

Prototype

public static ByteSource empty()

Source Link

Document

Returns an immutable ByteSource that contains no bytes.

Usage

From source file:org.jclouds.openstack.swift.v1.blobstore.functions.ToSwiftObject.java

private static Payload payload(long bytes, String contentType) {
    Payload payload = Payloads.newByteSourcePayload(ByteSource.empty());
    payload.getContentMetadata().setContentLength(bytes);
    payload.getContentMetadata().setContentType(contentType);
    return payload;
}

From source file:ratpack.configuration.internal.DefaultConfigurationSource.java

public DefaultConfigurationSource(ClassLoader classLoader, Properties overrideProperties,
        Properties defaultProperties) {
    this(classLoader, ByteSource.empty(), overrideProperties, defaultProperties);
}

From source file:com.dyn.client.v3.traffic.handlers.GetJobRedirectionRetryHandler.java

@Inject
protected GetJobRedirectionRetryHandler(BackoffLimitedRetryHandler backoffHandler) {
    super(backoffHandler);
    this.emptyPayload = Payloads.newByteSourcePayload(ByteSource.empty());
    this.emptyPayload.getContentMetadata().setContentType(APPLICATION_JSON);
}

From source file:org.jclouds.blobstore.strategy.internal.MarkerFileMkdirStrategy.java

public void execute(String containerName, String directory) {
    blobStore.putBlob(containerName,//w  w  w.java  2  s . co  m
            blobStore.blobBuilder(directory + directorySuffix).type(StorageType.RELATIVE_PATH)
                    .payload(ByteSource.empty()).contentLength(0L).contentType("application/directory")
                    .build());
}

From source file:com.example.app.model.UserProfileDAO.java

/**
 * Save UserProfile.//from w ww. j av a  2  s . c  o m
 *
 * @param userProfile the user profile to save.
 */
public void saveUserProfile(UserProfile userProfile) {
    beginTransaction();
    boolean success = false;
    try {
        final long id = userProfile.getId();
        String name = userProfile.getName().getLast() + ", " + userProfile.getName().getFirst();
        String pictureName = name + " #" + id;
        final Session session = getSession();
        FileEntity picture = userProfile.getPicture();
        if (picture != null) {
            pictureName += getExtensionWithDot(picture);
            TemporaryFileEntity tfe = null;
            if (picture instanceof TemporaryFileEntity)
                tfe = (TemporaryFileEntity) picture;
            ByteSource fileData = tfe != null ? tfe.asByteSource() : ByteSource.empty();
            // Ensure our picture file has a unique file name consistent with the profile.
            if (picture.getId() < 1) {
                final CmsSite site = userProfile.getSite();
                final DirectoryEntity rootDirectory = FileSystemDirectory.getRootDirectory(site);
                DirectoryEntity parentDirectory = _fileSystemDAO.mkdirs(rootDirectory, null,
                        "UserProfilePictures");
                picture.setName(pictureName);

                picture = _fileSystemDAO.store(new StoreRequest(parentDirectory, picture, fileData)
                        .withCreateMode(overwrite).withRequest(Event.getRequest()));
                userProfile.setPicture(picture);
            } else {
                EntityRetriever er = EntityRetriever.getInstance();
                picture = er.reattachIfNecessary(tfe != null ? tfe.getFileEntity() : picture);
                picture.setName(pictureName);
                _fileSystemDAO.store(new StoreRequest(picture, fileData).withCreateMode(overwrite)
                        .withRequest(Event.getRequest()));
                userProfile.setPicture(picture); // In case we are cascading.
                if (tfe != null)
                    tfe.deleteStream();
            }
        }

        if (isTransient(userProfile) || isAttached(userProfile))
            session.saveOrUpdate(userProfile);
        else
            session.merge(userProfile);

        if (picture != null && id == 0) {
            // New user profile. Update picture name to include the ID
            pictureName = name + " #" + userProfile.getId() + getExtensionWithDot(picture);
            picture.setName(pictureName);
            _fileSystemDAO.store(new StoreRequest(picture));
        }
        success = true;
    } catch (HibernateException ioe) {
        throw new RuntimeException("Unable to access filesystem.", ioe);
    } finally {
        if (success)
            commitTransaction();
        else
            recoverableRollbackTransaction();
    }
}

From source file:com.example.app.model.DemoUserProfileDAO.java

/**
 * Save UserProfile./*from  ww  w  .j av  a2 s . c  om*/
 *
 * @param demoUserProfile the user profile to save.
 */
public void saveUserProfile(DemoUserProfile demoUserProfile) {
    beginTransaction();
    boolean success = false;
    try {
        final long id = demoUserProfile.getId();
        String name = demoUserProfile.getName().getLast() + ", " + demoUserProfile.getName().getFirst();
        String pictureName = name + " #" + id;
        final Session session = getSession();
        FileEntity picture = demoUserProfile.getPicture();
        if (picture != null) {
            pictureName += getExtensionWithDot(picture);
            TemporaryFileEntity tfe = null;
            if (picture instanceof TemporaryFileEntity)
                tfe = (TemporaryFileEntity) picture;
            ByteSource fileData = tfe != null ? tfe.asByteSource() : ByteSource.empty();
            // Ensure our picture file has a unique file name consistent with the profile.
            if (picture.getId() < 1) {
                final CmsSite site = demoUserProfile.getSite();
                final DirectoryEntity rootDirectory = FileSystemDirectory.getRootDirectory(site);
                DirectoryEntity parentDirectory = _fileSystemDAO.mkdirs(rootDirectory, null,
                        "UserProfilePictures");
                picture.setName(pictureName);

                picture = _fileSystemDAO.store(new StoreRequest(parentDirectory, picture, fileData)
                        .withCreateMode(overwrite).withRequest(Event.getRequest()));
                demoUserProfile.setPicture(picture);
            } else {
                EntityRetriever er = EntityRetriever.getInstance();
                picture = er.reattachIfNecessary(tfe != null ? tfe.getFileEntity() : picture);
                picture.setName(pictureName);
                _fileSystemDAO.store(new StoreRequest(picture, fileData).withCreateMode(overwrite)
                        .withRequest(Event.getRequest()));
                demoUserProfile.setPicture(picture); // In case we are cascading.
                if (tfe != null)
                    tfe.deleteStream();
            }
        }

        if (isTransient(demoUserProfile) || isAttached(demoUserProfile))
            session.saveOrUpdate(demoUserProfile);
        else
            session.merge(demoUserProfile);

        if (picture != null && id == 0) {
            // New user profile. Update picture name to include the ID
            pictureName = name + " #" + demoUserProfile.getId() + getExtensionWithDot(picture);
            picture.setName(pictureName);
            _fileSystemDAO.store(new StoreRequest(picture));
        }
        success = true;
    } catch (HibernateException ioe) {
        throw new RuntimeException("Unable to access filesystem.", ioe);
    } finally {
        if (success)
            commitTransaction();
        else
            recoverableRollbackTransaction();
    }
}

From source file:org.jclouds.openstack.swift.v1.functions.ParseObjectListFromResponse.java

private static Payload payload(long bytes, String hash, String contentType, Date expires) {
    Payload payload = Payloads.newByteSourcePayload(ByteSource.empty());
    payload.getContentMetadata().setContentLength(bytes);
    payload.getContentMetadata().setContentType(contentType);
    payload.getContentMetadata().setExpires(expires);
    if (hash != null) {
        payload.getContentMetadata().setContentMD5(HashCode.fromBytes(base16().lowerCase().decode(hash)));
    }/* ww w  .j a  v  a  2s.  co  m*/
    return payload;
}

From source file:com.metamx.http.client.response.SequenceInputStreamResponseHandler.java

@Override
public ClientResponse<InputStream> done(ClientResponse<InputStream> clientResponse) {
    synchronized (done) {
        try {//from   w w w .  j  ava 2 s .c  om
            // An empty byte array is put at the end to give the SequenceInputStream.close() as something to close out
            // after done is set to true, regardless of the rest of the stream's state.
            queue.put(ByteSource.empty().openStream());
            log.debug("Added terminal empty stream");
        } catch (InterruptedException e) {
            log.warn(e, "Thread interrupted while adding to queue");
            Thread.currentThread().interrupt();
            throw Throwables.propagate(e);
        } catch (IOException e) {
            // This should never happen
            log.wtf(e, "The empty stream threw an IOException");
            throw Throwables.propagate(e);
        } finally {
            log.debug("Done after adding %d bytes of streams", byteCount.get());
            done.set(true);
        }
    }
    return ClientResponse.<InputStream>finished(clientResponse.getObj());
}

From source file:org.jclouds.glacier.util.AWSRequestSignerV4.java

private static HashCode buildHashedPayload(HttpRequest request) {
    HashingInputStream his = null;/*from   ww  w. ja v  a2  s. c  o m*/
    try {
        his = new HashingInputStream(Hashing.sha256(),
                request.getPayload() == null ? ByteSource.empty().openStream()
                        : request.getPayload().openStream());
        ByteStreams.copy(his, ByteStreams.nullOutputStream());
        return his.hash();
    } catch (IOException e) {
        throw new HttpException("Error signing request", e);
    } finally {
        closeQuietly(his);
    }
}

From source file:org.apache.druid.java.util.http.client.response.SequenceInputStreamResponseHandler.java

@Override
public ClientResponse<InputStream> done(ClientResponse<InputStream> clientResponse) {
    synchronized (done) {
        try {/*from www.  j a v a 2  s . c  om*/
            // An empty byte array is put at the end to give the SequenceInputStream.close() as something to close out
            // after done is set to true, regardless of the rest of the stream's state.
            queue.put(ByteSource.empty().openStream());
            log.debug("Added terminal empty stream");
        } catch (InterruptedException e) {
            log.warn(e, "Thread interrupted while adding to queue");
            Thread.currentThread().interrupt();
            throw Throwables.propagate(e);
        } catch (IOException e) {
            // This should never happen
            log.wtf(e, "The empty stream threw an IOException");
            throw Throwables.propagate(e);
        } finally {
            log.debug("Done after adding %d bytes of streams", byteCount.get());
            done.set(true);
        }
    }
    return ClientResponse.finished(clientResponse.getObj());
}