Examples of org.jclouds.blobstore.BlobStore.blobExists()

org.jclouds.blobstore.BlobStore.blobExists()
Determines if a blob exists @param container container where the blob resides @param directory full path to the blob


   @Override
   protected Object doExecute() throws Exception {
      BlobStore blobStore = getBlobStore();


      if (!blobStore.blobExists(containerName, blobName)) {
          throw new KeyNotFoundException(containerName, blobName, "while checking existence");
      }
      return null;
   }
}

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                if (blobStore == null) {
                    throw new IOException("BlobStore service not available for provider " + providerOrApi);
                }
                if (!blobStore.containerExists(containerName)) {
                    throw new IOException("Container " + containerName + " does not exists");
                } else if (!blobStore.blobExists(containerName, blobName)) {
                    throw new IOException("Blob " + blobName + " does not exists");
                }


                Blob blob = blobStore.getBlob(containerName, blobName);

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  public synchronized void putIfAbsent(File file) throws FileNotFoundException {
      allocateContainer();


      BlobStore store = context.getBlobStore();
      if (!store.blobExists(container, file.getName())) {
        LOG.info("Uploading '{}' to '{}' blob cache.", file.getName(), container);


        Blob blob = context.getBlobStore().blobBuilder(container)
                .name(file.getName())
                .payload(file)

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  public synchronized void putIfAbsent(String name, InputStream in, long contentLength) {
    allocateContainer();


    BlobStore store = context.getBlobStore();
    if (!store.blobExists(container, name)) {
      LOG.info("Uploading '{}' to '{}' blob cache.", name, container);


      Blob blob = context.getBlobStore().newBlob(name);
      blob.setPayload(in);
      blob.getMetadata().getContentMetadata().setContentLength(contentLength);

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  public synchronized void putIfAbsent(File file) throws FileNotFoundException {
      allocateContainer();


      BlobStore store = context.getBlobStore();
      if (!store.blobExists(container, file.getName())) {
        LOG.info("Uploading '{}' to '{}' blob cache.", file.getName(), container);


        Blob blob = context.getBlobStore().blobBuilder(container)
                .name(file.getName())
                .payload(file)

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  public synchronized void putIfAbsent(File file) throws FileNotFoundException {
      allocateContainer();


      BlobStore store = context.getBlobStore();
      if (!store.blobExists(container, file.getName())) {
        LOG.info("Uploading '{}' to '{}' blob cache.", file.getName(), container);


        Blob blob = context.getBlobStore().blobBuilder(container)
                .name(file.getName())
                .payload(file)

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                @Override
                public Writer updateEntity( final EntityReference ref, EntityDescriptor entityDescriptor )
                    throws IOException
                {
                    if( !blobStore.blobExists( container, ref.identity() ) )
                    {
                        throw new EntityNotFoundException( ref );
                    }
                    return new StringWriter()
                    {

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                @Override
                public void removeEntity( EntityReference ref, EntityDescriptor entityDescriptor )
                    throws EntityNotFoundException
                {
                    if( !blobStore.blobExists( container, ref.identity() ) )
                    {
                        throw new EntityNotFoundException( ref );
                    }
                    blobStore.removeBlob( container, ref.identity() );
                }

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   @Override
   protected Object doExecute() throws Exception {
      BlobStore blobStore = getBlobStore();


      if (!blobStore.blobExists(containerName, blobName)) {
          throw new KeyNotFoundException(containerName, blobName, "while checking existence");
      }
      return null;
   }
}

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