Package 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
    Description
    void
    updateProgress(long readBytes, long contentLength)
    Updates progress to listener.

  • Method Details

    • 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