Interface ProgressListener

  • 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
    Receives progress information. May be used to display a progress bar.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static ProgressListener NOP
      Nop implementation.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void update​(long bytesRead, long contentLength, int items)
      Updates the listeners status information.
    • Method Detail

      • update

        void update​(long bytesRead,
                    long contentLength,
                    int items)
        Updates the listeners status information.
        Parameters:
        bytesRead - The total number of bytes, which have been read so far.
        contentLength - The total number of bytes, which are being read. May be -1, if this number is unknown.
        items - The number of the field, which is currently being read. (0 = no item so far, 1 = first item is being read, ...)