Examples of GcsInputChannel

com.google.appengine.tools.cloudstorage.GcsInputChannel
A readable byte channel for reading data to Google Cloud Storage. Implementations of this class may buffer data internally to reduce remote calls. This class is @{link Serializable}, which allows for reading part of a file, serializing the GcsInputChannel deserializing it, and continuing to read from the same file from the same position.

Examples of com.google.appengine.tools.cloudstorage.GcsInputChannel

      BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
      BlobKey blobKey = blobstoreService.createGsBlobKey(
          "/gs/" + fileName.getBucketName() + "/" + fileName.getObjectName());
      blobstoreService.serve(blobKey, resp);
    } else {
      GcsInputChannel readChannel = gcsService.openPrefetchingReadChannel(fileName, 0, BUFFER_SIZE);
      copy(Channels.newInputStream(readChannel), resp.getOutputStream());
    }
  }

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Examples of com.google.appengine.tools.cloudstorage.GcsInputChannel


    writeChannel.close();
    resp.getWriter().println("Done writing...");




    GcsInputChannel readChannel = null;
    BufferedReader reader = null;
    try {
      readChannel = gcsService.openReadChannel(filename, 0);
      reader = new BufferedReader(Channels.newReader(readChannel, "UTF8"));
      String line;

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Examples of com.google.appengine.tools.cloudstorage.GcsInputChannel

   * the input by at least this many bytes. (This must be at least 1kb and less than 10mb) If
   * buffering is undesirable openReadChannel could be called instead, which is totally unbuffered.
   */
  private Object readObjectFromFile(GcsFilename fileName)
      throws IOException, ClassNotFoundException {
    GcsInputChannel readChannel = gcsService.openPrefetchingReadChannel(fileName, 0, 1024 * 1024);
    try (ObjectInputStream oin = new ObjectInputStream(Channels.newInputStream(readChannel))) {
      return oin.readObject();
    }
  }

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