net.sf.wallace.commands
Class AbstractCommand

java.lang.Object
  net.sf.wallace.commands.AbstractCommand

All Implemented Interfaces:

Command

Direct Known Subclasses:

AuthCommand, NonAuthCommand, SelectCommand

public abstract class AbstractCommand
extends Object
implements Command

A useful base class to aid enforcement of state restrictions.

Author:

rnewson

Constructor Summary

AbstractCommand()

Method Summary

void	execute(WallaceSession wallaceSession) Execute this command against the given session using data from the supplied message.
protected abstract WallaceSessionState[]	getAcceptableStates()
protected abstract void	onExecute(WallaceSession wallaceSession)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractCommand

public AbstractCommand()

Method Detail

execute

public final void execute(WallaceSession wallaceSession)
                   throws InvalidStateException,
                          javax.mail.MessagingException

Description copied from interface: Command

Execute this command against the given session using data from the supplied message.

Specified by:

execute in interface Command

Parameters:

wallaceSession - the session to apply the message to.

Throws:

InvalidStateException - if the session is not in an appropriate state for this command (SELECT before LOGIN, for example).

javax.mail.MessagingException

getAcceptableStates

protected abstract WallaceSessionState[] getAcceptableStates()

onExecute

protected abstract void onExecute(WallaceSession wallaceSession)
                           throws javax.mail.MessagingException

Throws:

javax.mail.MessagingException