nextapp.echo.app
Class HttpImageReference

java.lang.Object
  nextapp.echo.app.HttpImageReference

All Implemented Interfaces:

java.io.Serializable, ImageReference, RenderIdSupport

public class HttpImageReference
extends java.lang.Object
implements ImageReference

A reference to an image that may be retrieved through an HTTP request.

See Also:

Serialized Form

Constructor Summary

HttpImageReference(java.lang.String uri)
Creates a reference to an image at the specified URI of unknown size.

HttpImageReference(java.lang.String uri, Extent width, Extent height)
Creates a reference to an image at the specified URI of the given width and height.

Method Summary

boolean	equals(java.lang.Object o)
Extent	getHeight() Returns the height of the image, or null if the size is unknown.
java.lang.String	getRenderId() Returns an identifier that is unique within the ApplicationInstance with which the implementor will be used.
java.lang.String	getUri() Returns the URI from which the image may be obtained.
Extent	getWidth() Returns the width of the image, or null if the size is unknown.

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpImageReference

public HttpImageReference(java.lang.String uri)

Creates a reference to an image at the specified URI of unknown size.

Parameters:

uri - a URI from which the image data may be obtained

HttpImageReference

public HttpImageReference(java.lang.String uri,
                          Extent width,
                          Extent height)

Creates a reference to an image at the specified URI of the given width and height. If the image is not of the given width and height, it will be scaled to the given width and height.

Parameters:

uri - a URI from which the image data may be obtained

width - The width at which to render the image

height - The height at which to render the image

Method Detail

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

See Also:

Object.equals(java.lang.Object)

getHeight

public Extent getHeight()

Description copied from interface: ImageReference

Returns the height of the image, or null if the size is unknown.

Specified by:

getHeight in interface ImageReference

Returns:

the height of the image

See Also:

ImageReference.getHeight()

getRenderId

public java.lang.String getRenderId()

Description copied from interface: RenderIdSupport

Returns an identifier that is unique within the ApplicationInstance with which the implementor will be used.

Specified by:

getRenderId in interface RenderIdSupport

See Also:

RenderIdSupport.getRenderId()

getUri

public java.lang.String getUri()

Returns the URI from which the image may be obtained.

Returns:

the URI of the image

getWidth

public Extent getWidth()

Description copied from interface: ImageReference

Returns the width of the image, or null if the size is unknown.

Specified by:

getWidth in interface ImageReference

Returns:

the width of the image

See Also:

ImageReference.getWidth()