net.jetrix.filter
Class FilterManager

java.lang.Object
  net.jetrix.filter.FilterManager

public class FilterManager
extends Object

Manages channel filters. Filter instances are obtained by calling the getFilter() method. The FilterManager is in charge to serve a new instance of the filter or the same unique instance depending on the type of the filter (static or not).

Version:

$Revision: 550 $, $Date: 2005-01-06 13:26:21 +0100 (jeu., 06 janv. 2005) $

Author:

Emmanuel Bourg

Method Summary

void	addFilterAlias(String name, String classname) Defines a new alias for a filter.
MessageFilter	getFilter(String classname) Returns a filter of the specified class.
Map<String,String>	getFilterAliases() Return the map of filter aliases
MessageFilter	getFilterByName(String name) Returns a filter matching the specified name.
static FilterManager	getInstance() Returns the instance of the FilterManager.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static FilterManager getInstance()

Returns the instance of the FilterManager.

getFilter

public MessageFilter getFilter(String classname)
                        throws FilterException

Returns a filter of the specified class. If the filter is declared as a shared, the instance will be stored and returned on further calls for the same filter.

Parameters:

classname - Classname of the filter to return

Returns:

Filter of the specified class.

Throws:

FilterException

getFilterByName

public MessageFilter getFilterByName(String name)
                              throws FilterException

Returns a filter matching the specified name.

Parameters:

name - name of the filter to return

Returns:

Filter of the specified class.

Throws:

FilterException

addFilterAlias

public void addFilterAlias(String name,
                           String classname)

Defines a new alias for a filter.

Parameters:

name - alias of the filter

classname - class of the filter

getFilterAliases

public Map<String,String> getFilterAliases()

Return the map of filter aliases

Since:

0.2