usb.jphoto
Class FileSendData

java.lang.Object
  |
  +--usb.jphoto.Buffer
        |
        +--usb.jphoto.Container
              |
              +--usb.jphoto.Data
                    |
                    +--usb.jphoto.FileSendData

public class FileSendData

extends Data

Used with sendObject, this can read objects from files using a relatively small amount of in-memory buffering. That reduces system resource requirements for working with large files such as uncompressed TIF images supported by higher end imaging devices.

See Also:

BaselineInitiator.sendObject(usb.jphoto.Data)

Constructor Summary

FileSendData(java.net.URLConnection data, NameFactory f)
Constructs a data object which fills the given underlying file.

Method Summary

void	close() Closes the underlying file.
int	getLength() Returns the overall length of this data block, including header.
int	read(byte[] buf, int off, int len) Reads object data from the underlying file.

Methods inherited from class usb.jphoto.Data

getCodeName, toString

Methods inherited from class usb.jphoto.Container

getBlockType, getBlockTypeName, getCode, getCodeString, getCodeString, getCodeType, getXID

Methods inherited from class usb.jphoto.Buffer

getS16, getS32, getS64, getS8, getString, getU16, getU8, nextS16, nextS16Array, nextS32, nextS32Array, nextS64, nextS64Array, nextS8, nextS8Array, nextString, nextU16, nextU16Array, nextU8, nextU8Array, put16, put32, put64, put8, putString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FileSendData

public FileSendData(java.net.URLConnection data,
                    NameFactory f)
             throws java.io.IOException

Constructs a data object which fills the given underlying file.

Method Detail

getLength

public int getLength()

Description copied from class: Container

Returns the overall length of this data block, including header.

Overrides:

getLength in class Container

read

public int read(byte[] buf,
                int off,
                int len)
         throws java.io.IOException

Reads object data from the underlying file.

close

public void close()
           throws java.io.IOException

Closes the underlying file.