com.uwyn.rife.cmf.loader.image
Class JaiLoader

java.lang.Object
  com.uwyn.rife.cmf.loader.ImageContentLoaderBackend
      com.uwyn.rife.cmf.loader.image.JaiLoader

All Implemented Interfaces:

ContentLoaderBackend<Image>

public class JaiLoader
extends ImageContentLoaderBackend

This is an image loader back-end that uses Java Advanced Imaging to load image files, if its classes are present in the classpath.

More information about Java Advanced Imaging can be obtained from http://java.sun.com/products/java-media/jai.

Plug-ins for additional formats can be obtained from http://java.sun.com/products/java-media/jai/downloads/download-iio.html.

Since:

1.0

Version:

$Revision: 3634 $

Author:

Geert Bevin (gbevin[remove] at uwyn dot com)

Constructor Summary

JaiLoader()

Method Summary

boolean	isBackendPresent() Indicates whether the back-end is present.
Image	loadFromBytes(byte[] data, Set<String> errors) Loads the data from a byte array.

Methods inherited from class com.uwyn.rife.cmf.loader.ImageContentLoaderBackend

load

Methods inherited from class java.lang.Object

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

Constructor Detail

JaiLoader

public JaiLoader()

Method Detail

loadFromBytes

public Image loadFromBytes(byte[] data,
                           Set<String> errors)
                    throws ContentManagerException

Description copied from class: ImageContentLoaderBackend

Loads the data from a byte array.

Specified by:

loadFromBytes in class ImageContentLoaderBackend

Parameters:

data - the raw data that has to be loaded

errors - a set to which possible error messages will be added

Returns:

an instance of the Image; or

null if the raw data couldn't be loaded

Throws:

ContentManagerException

isBackendPresent

public boolean isBackendPresent()

Description copied from interface: ContentLoaderBackend

Indicates whether the back-end is present.

This can be important for optional libraries that should only actually try to load the data when the required classes are available in the classpath.

Returns:

true if the back-end is present; or

false if this is not the case