PreviewService (Silverpeas Core 6.4 API)

All Known Implementing Classes:

DefaultPreviewService
```
public interface PreviewService
```
The preview service. Its goal is to generate a preview of a document.

Author:

Yohann Chastagnier

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static PreviewService`	`get()`
`Preview`	`getPreview(ViewerContext viewerContext)`	Getting a Preview instance of the given file
`boolean`	`isPreviewable(File file)`	Verifying if it is possible to obtain a preview of the given file.
`void`	`removePreview(ViewerContext viewerContext)`	Removes data about a preview from given context.

- Method Detail
  - get
```
static PreviewService get()
```
  - isPreviewable
```
boolean isPreviewable(File file)
```
    Verifying if it is possible to obtain a preview of the given file.
    
    Parameters:
    
    file - the file to verify.
    
    Returns:
    
    true preview is possible, false otherwise.
  - getPreview
```
Preview getPreview(ViewerContext viewerContext)
```
    Getting a Preview instance of the given file
    
    Parameters:
    
    viewerContext - the context of the preview.
    
    Returns:
    
    a Preview instance.
  - removePreview
```
void removePreview(ViewerContext viewerContext)
```
    Removes data about a preview from given context.
    
    Parameters:
    
    viewerContext - the context of the preview.