```
public interface ThumbnailHelper
```
The ThumbnailHelper provides an interface to alter a thumbnail path.
The implementation expects the provided request attribute thumbnail to match the Regular Expression pattern (.*?)\.thumb\.\d+\.\d+\.(.*), otherwise the passed in value will be returned. If the pattern matches the width and height selectors are replaced by the provided request attributes width and height. The default value for the request attributes width and height is 319 if omitted.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getThumbnail()`	Returns the altered thumbnail path containing the specified width and height or the original thumbnail path if not applicable.

Interface ThumbnailHelper