Examples of java.beans.VetoableChangeSupport.removeVetoableChangeListener()

java.beans.VetoableChangeSupport.removeVetoableChangeListener()
Remove a VetoableChangeListener from the listener list. This removes a VetoableChangeListener that was registered for all properties. If listener was added more than once to the same event source, it will be notified one less time after being removed. If listener is null, or was never added, no exception is thrown and no action is taken. @param listener The VetoableChangeListener to be removed


        String propertyName = "label";
        support.addVetoableChangeListener(propertyName, proxy);
        assertTrue(support.hasListeners(propertyName));


        support.removeVetoableChangeListener(propertyName + "_invalid", proxy);
        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
    }

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                VetoableChangeListener.class, source, "setText");


        String propertyName = "label";
        assertFalse(support.hasListeners(propertyName));


        support.removeVetoableChangeListener(propertyName, proxy);
        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        String propertyName = "label";
        support.addVetoableChangeListener(propertyName, null);
        assertFalse(support.hasListeners(propertyName));


        support.removeVetoableChangeListener(propertyName, null);
        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        String propertyName = "label";
        support.addVetoableChangeListener(proxy);
        assertTrue(support.hasListeners(propertyName));


        support.removeVetoableChangeListener(proxy);
        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        support.addVetoableChangeListener(proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(2, support.getVetoableChangeListeners().length);


        support.removeVetoableChangeListener(proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
    }

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        support.addVetoableChangeListener(proxy2);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(2, support.getVetoableChangeListeners().length);


        support.removeVetoableChangeListener(proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
        assertEquals(proxy2, support.getVetoableChangeListeners()[0]);

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        support.addVetoableChangeListener(null);


        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners().length);


        support.removeVetoableChangeListener(proxy);


        assertFalse(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(0, support.getVetoableChangeListeners().length);
    }

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        support.addVetoableChangeListener("label", proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners().length);


        support.removeVetoableChangeListener(proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
    }

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        support.addVetoableChangeListener(proxy);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(1, support.getVetoableChangeListeners().length);


        support.removeVetoableChangeListener(null);


        assertTrue(support.hasListeners(propertyName));
        assertEquals(0, support.getVetoableChangeListeners(propertyName).length);
        assertEquals(1, support.getVetoableChangeListeners().length);
    }

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        }


        //VetoableChangeSupport.removeVetoableChangeListener(null, listener)
        System.out.println("VetoableChangeSupport.removeVetoableChangeListener(null, listener)");
        try {
            vcs.removeVetoableChangeListener(null, listener);
            vcs.fireVetoableChange(NAME, null, null);
        }
        catch (Throwable error) {
            print(error);
        }

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