uk.ac.rdg.resc.jstyx.client.callbacks
Class DownloadCallback

java.lang.Object
  uk.ac.rdg.resc.jstyx.client.MessageCallback
      uk.ac.rdg.resc.jstyx.client.callbacks.DownloadCallback

public class DownloadCallback
extends MessageCallback

Callback that is used when downloading a file from the server. Contains state that needs to persist between message exchanges with the server. See CStyxFile.downloadAsync()

Author:

jdb $Revision: 442 $ $Date: 2005-11-03 07:39:45 +0000 (Thu, 03 Nov 2005) $ $Log$ Revision 1.2 2005/11/03 07:39:45 jonblower Bug fixes Revision 1.1 2005/08/05 13:46:40 jonblower Factored out all callback objects from CStyxFile into separate classes

Constructor Summary

DownloadCallback(CStyxFile file, java.io.File localFile, int numRequests, MessageCallback callback)

Method Summary

void	error(java.lang.String message, StyxMessage tMessage) Called when an error occurs (this may occur if the server returned an Rerror message, or if the reply was not of the expected type, or for other reasons).
void	nextStage()
void	replyArrived(StyxMessage rMessage, StyxMessage tMessage) Called when the reply arrives.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DownloadCallback

public DownloadCallback(CStyxFile file,
                        java.io.File localFile,
                        int numRequests,
                        MessageCallback callback)

Method Detail

nextStage

public void nextStage()

replyArrived

public void replyArrived(StyxMessage rMessage,
                         StyxMessage tMessage)

Description copied from class: MessageCallback

Called when the reply arrives. If the reply is an RreadMessage, the message's buffer should be released when it is no longer needed, using rMessage.getData().release().

Specified by:

replyArrived in class MessageCallback

Parameters:

rMessage - the reply

tMessage - the original T-message

error

public void error(java.lang.String message,
                  StyxMessage tMessage)

Description copied from class: MessageCallback

Called when an error occurs (this may occur if the server returned an Rerror message, or if the reply was not of the expected type, or for other reasons).

Specified by:

error in class MessageCallback

Parameters:

message - The error string

tMessage - The T-message that caused this error to happen