Examples of java.beans.EventSetDescriptor

java.beans.EventSetDescriptor
An EventSetDescriptor describes a group of events that a given Java bean fires.
The given group of events are all delivered as method calls on a single event listener interface, and an event listener object can be registered via a call on a registration method supplied by the event source.

        String eventSetName = "mockPropertyChange";
        String listenerMethodName = eventSetName;
        Class<?> sourceClass = null;
        Class<?> listenerType = MockPropertyChangeListener.class;
        try {
            new EventSetDescriptor(sourceClass, eventSetName, listenerType,
                    listenerMethodName);
            fail("Should throw NullPointerException.");
        } catch (NullPointerException e) {
        }
    }

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        String eventSetName = "mockPropertyChange";
        String listenerMethodName = eventSetName;
        Class<MockSourceClass> sourceClass = MockSourceClass.class;
        Class<?> listenerType = MockPropertyChangeListener.class;
        try {
            new EventSetDescriptor(sourceClass, null, listenerType,
                    listenerMethodName);
            fail("Should throw NullPointerException.");
        } catch (NullPointerException e) {
        }
    }

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        try {
            // RI doesn't throw exception here but this doesn't really make
            // much sense. Moreover, it is against the java.beans 
            // package description: null values or empty Strings are not
            // valid parameters unless explicitly stated
            new EventSetDescriptor(sourceClass, "", listenerType,
                    listenerMethodName);
        } catch (IntrospectionException e) {
            // valid
        }
    }

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            throws IntrospectionException {
        String eventSetName = "MockFake";
        String listenerMethodName = "mockNotAEventObject";
        Class<MockSourceClass> sourceClass = MockSourceClass.class;
        Class<?> listenerType = MockPropertyChangeListener.class;
        EventSetDescriptor esd = new EventSetDescriptor(sourceClass,
                eventSetName, listenerType, listenerMethodName);


        assertEquals(listenerMethodName, esd.getListenerMethods()[0].getName());
    }

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            SecurityException, NoSuchMethodException {
        String eventSetName = "mockPropertyChange";
        String listenerMethodName = eventSetName;
        Class<MockSourceClass> sourceClass = MockSourceClass.class;
        Class<?> listenerType = org.apache.harmony.beans.tests.support.mock.MockPropertyChangeListener2.class;
        EventSetDescriptor esd = new EventSetDescriptor(sourceClass,
                eventSetName, listenerType, listenerMethodName);


        String listenerName = getUnQualifiedClassName(listenerType);
        Method addMethod = sourceClass.getMethod("add" + listenerName,
                new Class[] { listenerType });
        Method removeMethod = sourceClass.getMethod("remove" + listenerName,
                new Class[] { listenerType });


        assertEquals(addMethod, esd.getAddListenerMethod());
        assertEquals(removeMethod, esd.getRemoveListenerMethod());
        assertNull(esd.getGetListenerMethod());
        assertEquals(1, esd.getListenerMethods().length);
        assertEquals(listenerMethodName, esd.getListenerMethods()[0].getName());
        assertEquals(1, esd.getListenerMethodDescriptors().length);
        assertEquals(listenerMethodName, esd.getListenerMethodDescriptors()[0]
                .getMethod().getName());


        assertEquals(listenerType, esd.getListenerType());
        assertTrue(esd.isInDefaultEventSet());
        assertFalse(esd.isUnicast());
    }

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        String eventSetName = "mockPropertyChange";
        String listenerMethodName = eventSetName;
        Class<MockSourceClass> sourceClass = MockSourceClass.class;
        Class<?> listenerType = null;
        try {
            new EventSetDescriptor(sourceClass, eventSetName, listenerType,
                    listenerMethodName);
            fail("Should throw NullPointerException.");
        } catch (NullPointerException e) {
        }
    }

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            NoSuchMethodException {
        String eventSetName = "MockPropertyChange";
        String listenerMethodName = "mockPropertyChange";
        Class<MockSourceClass> sourceClass = MockSourceClass.class;
        Class<?> listenerType = MockFakeListener.class;
        EventSetDescriptor esd = new EventSetDescriptor(sourceClass,
                eventSetName, listenerType, listenerMethodName);
        String listenerName = getUnQualifiedClassName(listenerType);
        Method addMethod = sourceClass.getMethod("add" + listenerName,
                new Class[] { listenerType });
        Method removeMethod = sourceClass.getMethod("remove" + listenerName,
                new Class[] { listenerType });


        assertEquals(addMethod, esd.getAddListenerMethod());
        assertEquals(removeMethod, esd.getRemoveListenerMethod());
        assertNull(esd.getGetListenerMethod());
        assertEquals(1, esd.getListenerMethods().length);
        assertEquals(listenerMethodName, esd.getListenerMethods()[0].getName());
        assertEquals(1, esd.getListenerMethodDescriptors().length);
        assertEquals(listenerMethodName, esd.getListenerMethodDescriptors()[0]
                .getMethod().getName());


        assertEquals(listenerType, esd.getListenerType());
        assertTrue(esd.isInDefaultEventSet());
        assertFalse(esd.isUnicast());
    }

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        String eventSetName = "mockPropertyChange";
        String listenerMethodName = null;
        Class<MockSourceClass> sourceClass = MockSourceClass.class;
        Class<?> listenerType = MockPropertyChangeListener.class;
        try {
            new EventSetDescriptor(sourceClass, eventSetName, listenerType,
                    listenerMethodName);
            fail("Should throw NullPointerException.");
        } catch (NullPointerException e) {
            // expected
        }

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        String eventSetName = "mockPropertyChange";
        String listenerMethodName = "";
        Class<MockSourceClass> sourceClass = MockSourceClass.class;
        Class<?> listenerType = MockPropertyChangeListener.class;
        try {
            new EventSetDescriptor(sourceClass, eventSetName, listenerType,
                    listenerMethodName);
            fail("Should throw IntrospectionException.");
        } catch (IntrospectionException e) {
        }
    }

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        String[] listenerMethodNames = { "mockPropertyChange",
                "mockPropertyChange2", };
        String addMethod = "addMockPropertyChangeListener";
        String removeMethod = "removeMockPropertyChangeListener";


        EventSetDescriptor esd = new EventSetDescriptor(sourceClass,
                eventSetName, listenerType, listenerMethodNames, addMethod,
                removeMethod);


        assertEquals(addMethod, esd.getAddListenerMethod().getName());
        assertEquals(removeMethod, esd.getRemoveListenerMethod().getName());
        assertNull(esd.getGetListenerMethod());
        assertEquals(2, esd.getListenerMethods().length);
        assertEquals(listenerMethodNames[0], esd.getListenerMethods()[0]
                .getName());
        assertEquals(listenerMethodNames[1], esd.getListenerMethods()[1]
                .getName());
        assertEquals(MockPropertyChangeEvent.class, esd.getListenerMethods()[1]
                .getParameterTypes()[0]);        
        assertEquals(2, esd.getListenerMethodDescriptors().length);
        assertEquals(listenerMethodNames[0],
                esd.getListenerMethodDescriptors()[0].getMethod().getName());
        assertEquals(listenerMethodNames[1],
                esd.getListenerMethodDescriptors()[1].getMethod().getName());


        assertEquals(listenerType, esd.getListenerType());
        assertTrue(esd.isInDefaultEventSet());
        assertFalse(esd.isUnicast());
    }

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