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package f00f.net.irc.martyr.commands;
import f00f.net.irc.martyr.InCommand;
import f00f.net.irc.martyr.clientstate.Channel;
import f00f.net.irc.martyr.clientstate.ClientState;
import f00f.net.irc.martyr.util.FullNick;
/**
* <p>Defines PART command. If the part command is from us, we should
* remove that channel from the list of channels. If the part command
* is from someone else, we should remove that user from the list of
* users for that channel.
*/
public class PartCommand extends AbstractCommand
{
private String reason;
private String channel;
private FullNick user;
/** For use as a factory */
public PartCommand()
{
this( null, null, null );
}
/**
* For use as an incoming command.
*
* @param user User that is parting
* @param channel Channel that the user is parting from
* @param reason Reason for part
*/
public PartCommand( FullNick user, String channel, String reason )
{
this.user = user;
this.reason = reason;
this.channel = channel;
}
/**
* For use as an outgoing command.
*
* @param channel Channel that we are parting from
* @param reason Reason we are parting
*/
public PartCommand( String channel, String reason )
{
this( null, channel, reason );
}
/**
* For use as an outgoing command. Part with no reason.
*
* @param channel Channel that we are parting from
*/
public PartCommand( String channel )
{
this( null, channel, null );
}
public InCommand parse( String prefix, String identifier, String params )
{
return new PartCommand( new FullNick( prefix ), getParameter( params, 0 ), getParameter( params, 1 ) );
}
public String getIrcIdentifier()
{
return "PART";
}
public String renderParams()
{
if( reason != null )
return channel + " :" + reason;
else
return channel;
}
public String getReason()
{
return reason;
}
public String getChannel()
{
return channel;
}
public FullNick getUser()
{
return user;
}
/** Takes client state action. If we are parting, then remove that
* channel from our list of channels. If someone else is parting,
* remove them from the channel they are parting from.
*/
public boolean updateClientState( ClientState state )
{
// We parted
if( user.equals( state.getNick() ) )
{
state.removeChannel( channel );
return true;
}
else
{
// Someone else parted.
// 1) Grab channel
Channel chanObj = state.getChannel( channel );
// 2) Remove user
chanObj.removeMember( user, this );
return true;
}
}
}
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