Method Detail

• read

  Buffer read()
              throws IOException

  Reads a data buffer from this data source.

  Returns:

  The data buffer read. Null, if there is no more data to be read.

  Throws:

  IOException - if an I/O error occurs.

• close

  void close()
             throws IOException

  Closes this data source and releases any system resources associated with this source.

  Throws:

  IOException - if an I/O error occurs.

• totalSize

  long totalSize()
                 throws IOException

  Optional operation. Returns the total size, in bytes, of the data in this source. If the implementation is not able to provide a total size for the data source, it should return -1

  Throws:

  IOException - if an I/O exception occurs