Examples of org.apache.commons.configuration2.event.EventSource.removeEventListener()

Package org.apache.commons.configuration2.event

Class org.apache.commons.configuration2.event.EventSource

Examples of org.apache.commons.configuration2.event.EventSource.removeEventListener()

org.apache.commons.configuration2.event.EventSource.removeEventListener()
Removes the event listener registration for the given event type and listener. An event listener instance may be registered multiple times for different event types. Therefore, when removing a listener the event type of the registration in question has to be specified. The return value indicates whether a registration was removed. A value of false means that no such combination of event type and listener was found. @param eventType the event type @param listener the event listener to be removed @return a flag whether a listener registration was removed


        src.addEventListener(ConfigurationEvent.ANY, l1);
        src.addEventListener(ConfigurationEvent.ANY_HIERARCHICAL, l2);
        assertTrue(
                "Wrong result for existing listener",
                src.removeEventListener(ConfigurationEvent.ANY_HIERARCHICAL, l2));
        assertFalse(
                "Wrong result for non-existing listener",
                src.removeEventListener(ConfigurationEvent.ANY_HIERARCHICAL, l2));
        PropertiesConfiguration config = builder.getConfiguration();
        Collection<EventListener<? super ConfigurationEvent>> listeners =

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        assertTrue(
                "Wrong result for existing listener",
                src.removeEventListener(ConfigurationEvent.ANY_HIERARCHICAL, l2));
        assertFalse(
                "Wrong result for non-existing listener",
                src.removeEventListener(ConfigurationEvent.ANY_HIERARCHICAL, l2));
        PropertiesConfiguration config = builder.getConfiguration();
        Collection<EventListener<? super ConfigurationEvent>> listeners =
                config.getEventListeners(ConfigurationEvent.ANY_HIERARCHICAL);
        assertTrue("Registered listener not found", listeners.contains(l1));
        assertFalse("Removed listener still found", listeners.contains(l2));

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        @SuppressWarnings("unchecked")
        EventListener<ConfigurationEvent> cl = EasyMock.createMock(EventListener.class);
        EasyMock.replay(cl);
        EventSource source = ConfigurationUtils.asEventSource(this, true);
        source.addEventListener(ConfigurationEvent.ANY, cl);
        assertFalse("Wrong result (1)", source.removeEventListener(ConfigurationEvent.ANY, cl));
        source.addEventListener(ConfigurationEvent.ANY, null);
    }


    /**
     * Tries to clone a null Synchronizer.

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