Package org.vaadin.spring.events

Class HierachyTopicFilter

java.lang.Object

org.vaadin.spring.events.HierachyTopicFilter

All Implemented Interfaces:

TopicFilter

public class HierachyTopicFilter
extends Object
implements TopicFilter

An implementation of TopicFilter which validates the topics hierarchical. This means, that the listener filter will be checked as prefixed substring against the event topic.

1. match: eventTopic = "foo.bar" and listenerTopic = "foo"
2. no match: eventTopic = "foo" and listenerTopic = "foo.bar"
3. no match: eventTopic = "foo.bar" and listenerTopic = "foo.not"

Author:

Marco Luthardt (marco.luthardt@iandme.net)

Constructor Summary

Constructors

Constructor	Description
HierachyTopicFilter()

Method Summary

Modifier and Type	Method	Description
boolean	validTopic(String eventTopic, String listenerTopic)	Validates the given event topic against the listener topic.

Methods inherited from class java.lang.Object

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

Constructor Details

HierachyTopicFilter

public HierachyTopicFilter()

Method Details

validTopic

public boolean validTopic(String eventTopic,
 String listenerTopic)

Description copied from interface: TopicFilter

Validates the given event topic against the listener topic.

Specified by:

validTopic in interface TopicFilter

Parameters:

eventTopic - the topic provided by while publishing an event, never null

listenerTopic - the topic of the listener method, never null

Returns:

true true if the event topic matches the listener topic, otherwise false