org.foray.graphic.factory
Class TIFFFactory

java.lang.Object
  org.foray.graphic.factory.GraphicFactory
      org.foray.graphic.factory.TIFFFactory

public class TIFFFactory
extends GraphicFactory

ImageReader object for TIFF image type.

Field Summary

protected static byte[]	BIG_ENDIAN_HEADER File header indicating that the file is a TIFF file in big-endian (Motorola) format.
protected static byte[]	LITTLE_ENDIAN_HEADER File header indicating that the file is a TIFF file in little-endian (Intel) format.

Constructor Summary

TIFFFactory(GraphicServer4a server)
Constructor.

Method Summary

TIFFGraphic

attemptCreate(URL url, BufferedInputStream bis) Subclasses implement this method to try to create an appropriate Graphic instance.

Methods inherited from class org.foray.graphic.factory.GraphicFactory

getLogger, getServer, makeGraphic, maxBytesToVerify

Methods inherited from class java.lang.Object

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

Field Detail

LITTLE_ENDIAN_HEADER

protected static final byte[] LITTLE_ENDIAN_HEADER

File header indicating that the file is a TIFF file in little-endian (Intel) format.

BIG_ENDIAN_HEADER

protected static final byte[] BIG_ENDIAN_HEADER

File header indicating that the file is a TIFF file in big-endian (Motorola) format.

Constructor Detail

TIFFFactory

public TIFFFactory(GraphicServer4a server)

Constructor.

Parameters:

server - The parent graphic server.

Method Detail

attemptCreate

public TIFFGraphic attemptCreate(URL url,
                                 BufferedInputStream bis)
                          throws IOException

Description copied from class: GraphicFactory

Subclasses implement this method to try to create an appropriate Graphic instance. Note that this superclass handles the task of marking and resetting the input stream, so all the subclass needs to do is read the stream.

Specified by:

attemptCreate in class GraphicFactory

Parameters:

url - The URL which contains the graphic content.

bis - The reusable input stream containing the bytes from url.

Returns:

The newly-created Graphic instance, or null if this factory was unable to create such an instance.

Throws:

IOException - For IO errors.