com.octo.captcha.component.image.backgroundgenerator
Class FileReaderRandomBackgroundGenerator

java.lang.Object
  com.octo.captcha.component.image.backgroundgenerator.AbstractBackgroundGenerator
      com.octo.captcha.component.image.backgroundgenerator.FileReaderRandomBackgroundGenerator

All Implemented Interfaces:

BackgroundGenerator

public class FileReaderRandomBackgroundGenerator
extends AbstractBackgroundGenerator

File reader background generator that return a random image (JPEG ONLY) from the ones found in the directory

You can place images in the classpath directory, in this case take care to use a unique directory name (not already contained in a jar file)

TODO : add some gif, bmp,... reader facilities.

Field Summary

protected static java.util.Map

cachedDirectories

Constructor Summary

FileReaderRandomBackgroundGenerator(java.lang.Integer width, java.lang.Integer height, java.lang.String rootPath)

Method Summary

protected java.io.File	findDirectory(java.lang.String rootPath)
java.awt.image.BufferedImage	getBackground() Generates a backround image on wich text will be paste.

Methods inherited from class com.octo.captcha.component.image.backgroundgenerator.AbstractBackgroundGenerator

getImageHeight, getImageWidth

Methods inherited from class java.lang.Object

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

Field Detail

cachedDirectories

protected static final java.util.Map cachedDirectories

Constructor Detail

FileReaderRandomBackgroundGenerator

public FileReaderRandomBackgroundGenerator(java.lang.Integer width,
                                           java.lang.Integer height,
                                           java.lang.String rootPath)

Method Detail

findDirectory

protected java.io.File findDirectory(java.lang.String rootPath)

getBackground

public java.awt.image.BufferedImage getBackground()

Generates a backround image on wich text will be paste. Implementations must take into account the imageHeigt and imageWidth.

Returns:

the background image