org.springframework.richclient.image
Class AwtImageResource

java.lang.Object
  org.springframework.core.io.AbstractResource
      org.springframework.richclient.image.AwtImageResource

All Implemented Interfaces:

ImageObserver, InputStreamSource, Resource

public class AwtImageResource
extends AbstractResource
implements ImageObserver

A resource decorator that represents an underlying graphical AWT image, such as a GIF, JPEG, or PNG.

Author:

Keith Donald

Field Summary

static String

RESOURCE_PREFIX

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

AwtImageResource(Resource resource)
Constructs a AwtImageResource for the following io.core.Resource.

Method Summary

Resource	createRelative(String relativePath)
boolean	equals(Object o)
boolean	exists()
String	getDescription()
File	getFile()
String	getFilename()
Image	getImage() Loads the image from the underlying core.io.Resource. This method does not cache.
InputStream	getInputStream()
URL	getURL()
int	hashCode()
boolean	imageUpdate(Image img, int infoflags, int x, int y, int w, int h)
boolean	isOpen()

Methods inherited from class org.springframework.core.io.AbstractResource

getURI, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

RESOURCE_PREFIX

public static final String RESOURCE_PREFIX

See Also:

Constant Field Values

Constructor Detail

AwtImageResource

public AwtImageResource(Resource resource)

Constructs a AwtImageResource for the following io.core.Resource. This assumes the wrapped resource actually points to a underlying image.

Parameters:

resource - The wrapped resource.

Throws:

IllegalArgumentException, - if the resource is invalid.

Method Detail

getDescription

public String getDescription()

Specified by:

getDescription in interface Resource

createRelative

public Resource createRelative(String relativePath)
                        throws IOException

Specified by:

createRelative in interface Resource

Overrides:

createRelative in class AbstractResource

Throws:

IOException

exists

public boolean exists()

Specified by:

exists in interface Resource

Overrides:

exists in class AbstractResource

isOpen

public boolean isOpen()

Specified by:

isOpen in interface Resource

Overrides:

isOpen in class AbstractResource

getURL

public URL getURL()
           throws IOException

Specified by:

getURL in interface Resource

Overrides:

getURL in class AbstractResource

Throws:

IOException

getFile

public File getFile()
             throws IOException

Specified by:

getFile in interface Resource

Overrides:

getFile in class AbstractResource

Throws:

IOException

getFilename

public String getFilename()
                   throws IllegalStateException

Specified by:

getFilename in interface Resource

Overrides:

getFilename in class AbstractResource

Throws:

IllegalStateException

getInputStream

public InputStream getInputStream()
                           throws IOException

Specified by:

getInputStream in interface InputStreamSource

Throws:

IOException

getImage

public Image getImage()
               throws IOException

Loads the image from the underlying core.io.Resource. This method does not cache. Calling it successively will result in a new image being loaded each time.

Throws:

IOException - If an error occurred while reading from the resource input stream.

imageUpdate

public boolean imageUpdate(Image img,
                           int infoflags,
                           int x,
                           int y,
                           int w,
                           int h)

Specified by:

imageUpdate in interface ImageObserver

equals

public boolean equals(Object o)

Overrides:

equals in class AbstractResource

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractResource