Upload.ProgressListener (vaadin-compatibility-server 8.25.1 API)

All Superinterfaces:

Serializable

Enclosing class:

Upload
```
@Deprecated
public static interface Upload.ProgressListener
extends Serializable
```
Deprecated.

ProgressListener receives events to track progress of upload.

Method Summary

All Methods Instance Methods Abstract Methods Deprecated Methods
Modifier and Type	Method	Description
`void`	`updateProgress(long readBytes, long contentLength)`	Deprecated. Updates progress to listener.

- Method Detail
  - updateProgress
```
void updateProgress(long readBytes,
                    long contentLength)
```
    Deprecated.
    
    Updates progress to listener.
    
    Parameters:
    
    readBytes - bytes transferred
    
    contentLength - total size of file currently being uploaded, -1 if unknown