net.coobird.thumbnailator.tasks
Class SourceSinkThumbnailTask<S,D>

java.lang.Object
  net.coobird.thumbnailator.tasks.ThumbnailTask<S,D>
      net.coobird.thumbnailator.tasks.SourceSinkThumbnailTask<S,D>

Type Parameters:

S - The source class from which the source image is retrieved or read.

D - The destination class to which the thumbnail is stored or written.

public class SourceSinkThumbnailTask<S,D>
extends ThumbnailTask<S,D>

A ThumbnailTask which holds an ImageSource from which the image is read or retrieved, and an ImageSink to which the thumbnail is stored or written.

This class will take care of handing off information from the ImageSource to the ImageSink. For example, the output format that should be used by the ImageSink will be handed off if the ThumbnailParameter.ORIGINAL_FORMAT parameter is set.

Author:

coobird

Constructor Summary

SourceSinkThumbnailTask(ThumbnailParameter param, ImageSource<S> source, ImageSink<D> destination)
Creates a ThumbnailTask in which an image is retrived from the specified ImageSource and written to the specified ImageSink, using the parameters provided in the specified ThumbnailParameter.

Method Summary

D	getDestination() Returns the destination to which the thumbnail is stored or written.
S	getSource() Returns the source from which the source image is retrieved or read.
BufferedImage	read() Reads a source image.
void	write(BufferedImage img) Writes the thumbnail to the destination.

Methods inherited from class net.coobird.thumbnailator.tasks.ThumbnailTask

getParam

Methods inherited from class java.lang.Object

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

Constructor Detail

SourceSinkThumbnailTask

public SourceSinkThumbnailTask(ThumbnailParameter param,
                               ImageSource<S> source,
                               ImageSink<D> destination)

Creates a ThumbnailTask in which an image is retrived from the specified ImageSource and written to the specified ImageSink, using the parameters provided in the specified ThumbnailParameter.

Parameters:

param - The parameters to use to create the thumbnail.

source - The source from which the image is retrieved or read from.

destination - The destination to which the thumbnail is stored or written to.

Throws:

NullPointerException - If either the parameter, ImageSource or ImageSink is null.

Method Detail

read

public BufferedImage read()
                   throws IOException

Description copied from class: ThumbnailTask

Reads a source image.

Specified by:

read in class ThumbnailTask<S,D>

Returns:

The image which was obtained from the source.

Throws:

IOException - Thrown when an I/O problem occurs when reading from the image source.

write

public void write(BufferedImage img)
           throws IOException

Description copied from class: ThumbnailTask

Writes the thumbnail to the destination.

Specified by:

write in class ThumbnailTask<S,D>

Parameters:

img - The image to write.

Throws:

UnsupportedFormatException - When an image file which is to be read or written is unsupported.

IOException - Thrown when an I/O problem occurs when writing the image.

getSource

public S getSource()

Description copied from class: ThumbnailTask

Returns the source from which the source image is retrieved or read.

Specified by:

getSource in class ThumbnailTask<S,D>

Returns:

The source.

getDestination

public D getDestination()

Description copied from class: ThumbnailTask

Returns the destination to which the thumbnail is stored or written.

Specified by:

getDestination in class ThumbnailTask<S,D>

Returns:

The destination.