org.hippoecm.frontend.plugins.gallery.imageutil

Class AbstractImageOperation

java.lang.Object

org.hippoecm.frontend.plugins.gallery.imageutil.AbstractImageOperation

Direct Known Subclasses:

ScaleImageOperation

public abstract class AbstractImageOperation
extends Object

Constructor Summary

Constructors

Constructor and Description
AbstractImageOperation()

Method Summary

Modifier and Type	Method and Description
abstract void	execute(InputStream data, ImageReader reader, ImageWriter writer) Executes a concrete image operation.
void	execute(InputStream data, String mimeType) Executes an image operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractImageOperation

public AbstractImageOperation()

Method Detail

execute

public void execute(InputStream data,
                    String mimeType)
             throws GalleryException

Executes an image operation.

Parameters:

data - the image data. The stream is closed by this method.

mimeType - MIME type of the image

Throws:

GalleryException - when the image operation fails

execute

public abstract void execute(InputStream data,
                             ImageReader reader,
                             ImageWriter writer)
                      throws IOException

Executes a concrete image operation.

Parameters:

data - the image data. Closing the stream is the responsibility of the caller (i.e. this class).

reader - reader for the image data

writer - writer for the image data

Throws:

IOException - when the image operation fails