Package org.hippoecm.frontend.plugins.gallery.imageutil

Class AbstractImageOperation

java.lang.Object

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

All Implemented Interfaces:

ImageOperation

Direct Known Subclasses:

AbstractScaleImageOperation

public abstract class AbstractImageOperation
extends Object
implements ImageOperation

Constructor Summary

Constructors

Constructor	Description
AbstractImageOperation()

Method Summary

Modifier and Type	Method	Description
void	execute(InputStream data, String mimeType)	Deprecated. Use run(InputStream, String) instead
abstract void	execute(InputStream data, ImageReader reader, ImageWriter writer)	Executes a concrete image operation.
protected ImageOperationResult	getResult()
ImageOperationResult	run(InputStream data, String mimeType)	Runs an image operation and returns the result.
protected void	setResult(InputStream data, int width, int height)
protected static File	writeToTmpFile(InputStream data)

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractImageOperation

public AbstractImageOperation()

Method Details

writeToTmpFile

protected static File writeToTmpFile(InputStream data)
                              throws IOException

Throws:

IOException

execute

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

Deprecated.

Use run(InputStream, String) instead

Executes an image operation.

Throws:

GalleryException

run

public ImageOperationResult run(InputStream data,
 String mimeType)
                         throws GalleryException

Description copied from interface: ImageOperation

Runs an image operation and returns the result.

Specified by:

run in interface ImageOperation

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

setResult

protected void setResult(InputStream data,
 int width,
 int height)

getResult

protected ImageOperationResult getResult()

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