Examples of org.apache.tapestry5.PropertyConduit

org.apache.tapestry5.PropertyConduit
Used to read or update the value associated with a property. A PropertyConduit provides access to the annotations on the underlying getter and/or setter methods.

     * TAP5-1555
     */
    @Test
    public void this_and_null_inside_array()
    {
        PropertyConduit pc = source.create(NonVisualBean.class, "[this, null]");


        Object bean = new NonVisualBean();


        List list = (List) pc.get(bean);


        assertEquals(list.size(), 2);
        assertSame(list.get(0), bean);
        assertNull(list.get(1));
    }

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     * TAP5-1673
     */
    @Test
    public void public_static_fields_are_accessible()
    {
        PropertyConduit pc = source.create(PublicStaticFieldBean.class, "value");


        assertSame(pc.get(null), PublicStaticFieldBean.VALUE);


        pc.set(null, "new-value");


        assertEquals(PublicStaticFieldBean.VALUE, "new-value");
    }

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    }


    @Test
    public void final_static_fields_are_read_only()
    {
        PropertyConduit pc = source.create(PublicStaticFieldBean.class, "read_only");


        try
        {
            pc.set(null, "new-value");
            unreachable();
        } catch (RuntimeException ex)
        {
            assertEquals(ex.getMessage(),
                    "Expression 'read_only' for class org.apache.tapestry5.internal.services.PublicStaticFieldBean is read-only.");

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    }


    @Test
    public void public_static_field_in_an_array()
    {
        PropertyConduit pc = source.create(PublicStaticFieldBean.class, "[read_only]");


        // Need to instantiate it, or exception "Root object of property expression is null"


        List<String> actual = (List<String>) pc.get(new PublicStaticFieldBean());


        assertListsEquals(actual, PublicStaticFieldBean.READ_ONLY);
    }

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        return add(propertyName, NULL_PROPERTY_CONDUIT);
    }


    public PropertyModel addExpression(String propertyName, String expression)
    {
        PropertyConduit conduit = createConduit(expression);


        return add(propertyName, conduit);


    }

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        return newModel;
    }


    public PropertyModel add(RelativePosition position, String existingPropertyName, String propertyName)
    {
        PropertyConduit conduit = createConduit(propertyName);


        return add(position, existingPropertyName, propertyName, conduit);
    }

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        assert rootClass != null;
        assert InternalUtils.isNonBlank(expression);


        MultiKey key = new MultiKey(rootClass, expression);


        PropertyConduit result = cache.get(key);


        if (result == null)
        {
            result = build(rootClass, expression);
            cache.put(key, result);

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        }
    }


    private PropertyConduit createLiteralThisPropertyConduit(final Class rootClass)
    {
        return new PropertyConduit()
        {
            public Object get(Object instance)
            {
                return instance;
            }

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        assert rootClass != null;
        assert InternalUtils.isNonBlank(expression);


        MultiKey key = new MultiKey(rootClass, expression);


        PropertyConduit result = cache.get(key);


        if (result == null)
        {
            result = build(rootClass, expression);
            cache.put(key, result);

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        }
    }


    private PropertyConduit createLiteralThisPropertyConduit(final Class rootClass)
    {
        return new PropertyConduit()
        {
            public Object get(Object instance)
            {
                return instance;
            }

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