Examples of org.apache.tapestry.ioc.services.PropertyAdapter

Package org.apache.tapestry.ioc.services

Examples of org.apache.tapestry.ioc.services.PropertyAdapter

org.apache.tapestry.ioc.services.PropertyAdapter
Provides access to a single property within a class. Acts as an {@link AnnotationProvider}; when searching for annotations, the read method (if present) is checked first, followed by the write method. @see org.apache.tapestry.ioc.services.ClassPropertyAdapter

        List<PropertyOrder> properties = newList();


        for (String name : propertyNames)
        {


            PropertyAdapter pa = classAdapter.getPropertyAdapter(name);
            List<String> propertyConstraints = CollectionFactory.newList();


            OrderBefore beforeAnnotation = pa.getAnnotation(OrderBefore.class);


            if (beforeAnnotation != null) propertyConstraints.add("before:" + beforeAnnotation.value());


            OrderAfter afterAnnotation = pa.getAnnotation(OrderAfter.class);


            if (afterAnnotation != null) propertyConstraints.add("after:" + afterAnnotation.value());


            if (!propertyConstraints.isEmpty()) constraints.put(name, propertyConstraints);


            Method readMethod = pa.getReadMethod();


            Location location = classFactory.getMethodLocation(readMethod);


            properties.add(new PropertyOrder(name, computeDepth(readMethod), location.getLine()));
        }

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    @Test
    public void property_adapter_read_only_property()
    {
        ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
        PropertyAdapter pa = cpa.getPropertyAdapter("readOnly");


        assertTrue(pa.isRead());
        assertFalse(pa.isUpdate());


        assertNull(pa.getWriteMethod());
        assertEquals(pa.getReadMethod(), findMethod(Bean.class, "getReadOnly"));
    }

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    @Test
    public void property_adapter_write_only_property()
    {
        ClassPropertyAdapter cpa = _access.getAdapter(Bean.class);
        PropertyAdapter pa = cpa.getPropertyAdapter("writeOnly");


        assertFalse(pa.isRead());
        assertTrue(pa.isUpdate());


        assertEquals(pa.getWriteMethod(), findMethod(Bean.class, "setWriteOnly"));
        assertNull(pa.getReadMethod());
    }

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    }


    @Test
    public void get_annotation_when_annotation_not_present()
    {
        PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class)
                .getPropertyAdapter("readWrite");


        assertNull(pa.getAnnotation(Lifecycle.class));
    }

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    }


    @Test
    public void get_annotation_with_annotation_on_write_method()
    {
        PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class).getPropertyAdapter(
                "annotationOnWrite");


        Lifecycle annotation = pa.getAnnotation(Lifecycle.class);
        assertNotNull(annotation);


        assertEquals(annotation.value(), "onwrite");
    }

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    }


    @Test
    public void read_method_annotation_overrides_write_method_annotation()
    {
        PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class).getPropertyAdapter(
                "annotationOnRead");


        Lifecycle annotation = pa.getAnnotation(Lifecycle.class);
        assertNotNull(annotation);


        assertEquals(annotation.value(), "onread");
    }

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    }


    @Test
    public void no_write_method_reading_missing_annotation()
    {
        PropertyAdapter pa = _access.getAdapter(AnnotatedBean.class).getPropertyAdapter("readOnly");


        assertNull(pa.getAnnotation(Lifecycle.class));
    }

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