swpchat.server
Class ChannelCollection

java.lang.Object
  |
  +--swpchat.server.ChannelCollection

public class ChannelCollection

extends java.lang.Object

This class saves all possible channels at the server.

Author:

Andre Brunner, Christian Stuellenberg, Marc Sturm

Field Summary

private java.util.HashMap	channelHash
private static java.lang.String	CLS
private java.util.HashMap	listener

Constructor Summary

ChannelCollection()

Method Summary

void	addListener(ChannelCollectionListener newListener) Used to add a listener to the listeners collection.
Channel	getChannel(java.lang.String channelKey) return the channel, that is identified by the channelKey
java.util.Iterator	iterator()
void	removeChannel(java.lang.String name) Remove the Channel identified by its Name from the collection.
void	removeListener(ChannelCollectionListener oldListener) Used to remove a listener from the listeners collection.
boolean	tryToAddChannel(java.lang.String name, Channel channel) Method tries to add Channel to hashtable and is threadsave
boolean	tryToChangeName(java.lang.String oldName, java.lang.String newName) Change the nickname of a Channel.

Methods inherited from class java.lang.Object

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

Field Detail

CLS

private static final java.lang.String CLS

channelHash

private java.util.HashMap channelHash

listener

private java.util.HashMap listener

Constructor Detail

ChannelCollection

public ChannelCollection()

Method Detail

tryToAddChannel

public boolean tryToAddChannel(java.lang.String name,
                               Channel channel)

Method tries to add Channel to hashtable and is threadsave

Parameters:

nickname -

Channel -

tryToChangeName

public boolean tryToChangeName(java.lang.String oldName,
                               java.lang.String newName)
                        throws NoSuchChannelException

Change the nickname of a Channel.

Parameters:

oldName, - newName

Returns:

false iff the newName was not allowed in the collection.

Throws:

NoSuchChannelException - if there is no Channel with the old Name in the collection.

removeChannel

public void removeChannel(java.lang.String name)
                   throws NoSuchChannelException

Remove the Channel identified by its Name from the collection.

Parameters:

nickname -

Throws:

NoSuchChannelException - if there is no Channel with the old Name in the collection.

iterator

public java.util.Iterator iterator()

getChannel

public Channel getChannel(java.lang.String channelKey)
                   throws NoSuchChannelException

return the channel, that is identified by the channelKey

Parameters:

channelKey - String specifying the channelName

Returns:

Channel that is indentified by the channelKey

addListener

public void addListener(ChannelCollectionListener newListener)

Used to add a listener to the listeners collection.

Parameters:

newListener - is the listener to be added.

removeListener

public void removeListener(ChannelCollectionListener oldListener)

Used to remove a listener from the listeners collection.

Parameters:

oldListener - is the listener to be removed.