com.vaadin.flow.component.upload

Interface ProgressListener

All Superinterfaces:

Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ProgressListener
extends Serializable

ProgressListener receives events to track progress of upload.

Method Summary

Modifier and Type	Method and Description
void	updateProgress(long readBytes, long contentLength) Updates progress to listener.

Method Detail

updateProgress

void updateProgress(long readBytes,
                    long contentLength)

Updates progress to listener.

Parameters:

readBytes - bytes transferred

contentLength - total size of file currently being uploaded, -1 if unknown