Package net.coobird.thumbnailator.tasks.io

Class InputStreamImageSource

java.lang.Object

net.coobird.thumbnailator.tasks.io.AbstractImageSource<java.io.InputStream>

net.coobird.thumbnailator.tasks.io.InputStreamImageSource

All Implemented Interfaces:

ImageSource<java.io.InputStream>

public class InputStreamImageSource
extends AbstractImageSource<java.io.InputStream>

An ImageSource which uses an InputStream to read the source image.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	InputStreamImageSource.ExifCaptureInputStream	An InputStream which intercepts the data stream to find Exif data and captures it if present.

Field Summary

Fields

Modifier and Type	Field	Description
private static int	FIRST_IMAGE_INDEX	The index used to obtain the first image in an image file.
private java.io.InputStream	is	A InputStream from which the source image is to be read.

Fields inherited from class net.coobird.thumbnailator.tasks.io.AbstractImageSource

hasReadInput, inputFormatName, param

Constructor Summary

Constructors

Constructor	Description
InputStreamImageSource(java.io.InputStream is)	Instantiates an InputStreamImageSource with the InputStream which will be used to read the source image.

Method Summary

Modifier and Type	Method	Description
private java.awt.Rectangle	calculateSourceRegion(int width, int height, Orientation orientation, Region region)
java.io.InputStream	getSource()	Returns the source from which the image is read or retrieved.
java.awt.image.BufferedImage	read()	Retrieves the image from the source.
private java.awt.image.BufferedImage	readImage(javax.imageio.ImageReader reader)
void	setThumbnailParameter(ThumbnailParameter param)	Sets the ThumbnailParameter from which to retrieve parameters to use when retrieving the image.

Methods inherited from class net.coobird.thumbnailator.tasks.io.AbstractImageSource

finishedReading, getInputFormatName

Methods inherited from class java.lang.Object

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

Field Detail

FIRST_IMAGE_INDEX

private static final int FIRST_IMAGE_INDEX

The index used to obtain the first image in an image file.

See Also:

Constant Field Values

is

private java.io.InputStream is

A InputStream from which the source image is to be read.

Constructor Detail

InputStreamImageSource

public InputStreamImageSource(java.io.InputStream is)

Instantiates an InputStreamImageSource with the InputStream which will be used to read the source image.

Parameters:

is - The InputStream which is to be used to obtain the source image.

Throws:

java.lang.NullPointerException - If the InputStream is null.

Method Detail

setThumbnailParameter

public void setThumbnailParameter(ThumbnailParameter param)

Description copied from interface: ImageSource

Sets the ThumbnailParameter from which to retrieve parameters to use when retrieving the image.

Specified by:

setThumbnailParameter in interface ImageSource<java.io.InputStream>

Overrides:

setThumbnailParameter in class AbstractImageSource<java.io.InputStream>

Parameters:

param - The ThumbnailParameter with image reading parameters.

read

public java.awt.image.BufferedImage read()
                                  throws java.io.IOException

Description copied from interface: ImageSource

Retrieves the image from the source.

Returns:

The image.

Throws:

java.io.IOException - When a problem occurs while reading or obtaining the image.

readImage

private java.awt.image.BufferedImage readImage(javax.imageio.ImageReader reader)
                                        throws java.io.IOException

Throws:

java.io.IOException

calculateSourceRegion

private java.awt.Rectangle calculateSourceRegion(int width,
                                                 int height,
                                                 Orientation orientation,
                                                 Region region)

getSource

public java.io.InputStream getSource()

Description copied from interface: ImageSource

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

Returns:

The source of the image.