may be used to display a progress bar
or do stuff like that.
- $Id: ProgressListener.java 1454691 2013-03-09 12:15:54Z simonetripodi $
Updates the listeners status information.
pBytesRead The total number of bytes, which have been read
pContentLength The total number of bytes, which are being
read. May be -1, if this number is unknown.
pItems The number of the field, which is currently being
read. (0 = no item so far, 1 = first item is being read, ...)
void update(long pBytesRead, long pContentLength, int pItems);