info.magnolia.imaging.operations.load
Class AbstractLoader<P extends ParameterProvider<?>>

java.lang.Object
  info.magnolia.imaging.operations.load.AbstractLoader<P>

Type Parameters:

P - type of ParameterProvider's parameter

All Implemented Interfaces:

ImageOperation<P>

Direct Known Subclasses:

AbstractFromContent, AbstractFromNode, AbstractURLImageLoader

public abstract class AbstractLoader<P extends ParameterProvider<?>>
extends Object
implements ImageOperation<P>

An abstract ImageOperation used to load images. It takes charge of converting the loaded image to the appropriate type. (ImageIO.read() will return a different image type depending on the source format). Overhead is negligible.

Version:

$Id$

Constructor Summary

protected	AbstractLoader()
protected	AbstractLoader(Color backgroundColor)

Method Summary

BufferedImage	apply(BufferedImage source, P filterParams)
protected BufferedImage	doReadAndClose(InputStream inputStream)
Color	getBackgroundColor()
ImageDecoder	getImageDecoder()
protected abstract BufferedImage	loadSource(P filterParams)
void	setBackgroundColor(Color backgroundColor)
void	setImageDecoder(ImageDecoder imageDecoder)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractLoader

protected AbstractLoader()

AbstractLoader

protected AbstractLoader(Color backgroundColor)

Method Detail

apply

public BufferedImage apply(BufferedImage source,
                           P filterParams)
                    throws ImagingException

Specified by:

apply in interface ImageOperation<P extends ParameterProvider<?>>

Throws:

ImagingException

loadSource

protected abstract BufferedImage loadSource(P filterParams)
                                     throws ImagingException

Throws:

ImagingException

doReadAndClose

protected BufferedImage doReadAndClose(InputStream inputStream)
                                throws IOException,
                                       ImagingException

Throws:

IOException

ImagingException

getImageDecoder

public ImageDecoder getImageDecoder()

setImageDecoder

public void setImageDecoder(ImageDecoder imageDecoder)

getBackgroundColor

public Color getBackgroundColor()

setBackgroundColor

public void setBackgroundColor(Color backgroundColor)