org.ow2.petals.jbi.management.task
Class DownloadTask

java.lang.Object
  org.ow2.petals.jbi.management.task.AbstractLoggableTask
      org.ow2.petals.jbi.management.task.AbstractFileManipulationTask
          org.ow2.petals.jbi.management.task.DownloadTask

All Implemented Interfaces:

Task

public class DownloadTask
extends AbstractFileManipulationTask

This task download entity (component, shared lib, service assembly) archive into the work directory, only if the URL protocol is http: or ftp:
Inputs : archive URI
Outputs : downloaded archive URI
The task has got a non-robust approach : it stops at the first subtask failed
and have the undo capability.

Author:

ofabre - EBM Websourcing, Frederic Gardes - eBM Websourcing

Field Summary

Fields inherited from class org.ow2.petals.jbi.management.task.AbstractLoggableTask

log

Constructor Summary

DownloadTask(org.ow2.petals.util.LoggingUtil log, java.lang.String petalsInstallDirectory)

Method Summary

void	execute(Context context) Launch the task with the given context.
void	undo(Context context) Reverse the task in order to retrieve the environ state before execution of this task.

Methods inherited from class org.ow2.petals.jbi.management.task.AbstractFileManipulationTask

getInstalledArchive, getWorkDirectory

Methods inherited from class java.lang.Object

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

Constructor Detail

DownloadTask

public DownloadTask(org.ow2.petals.util.LoggingUtil log,
                    java.lang.String petalsInstallDirectory)

Method Detail

execute

public void execute(Context context)
             throws java.lang.Exception

Description copied from interface: Task

Launch the task with the given context. Task can modify information included in this context during execution.

Parameters:

context - the execution context handling input and output information

Throws:

java.lang.Exception - if an error occurs during Task processing

undo

public void undo(Context context)
          throws java.lang.Exception

Description copied from interface: Task

Reverse the task in order to retrieve the environ state before execution of this task.

Parameters:

context - the execution context handling input and output information

Throws:

java.lang.Exception - if an error occurs during Task unprocessing