Examples of ognl.PropertyAccessor

ognl.PropertyAccessor
This interface defines methods for setting and getting a property from a target object. A "property" in this case is a named data value that takes the generic form of an Object---the same definition as is used by beans. But the operational semantics of the term will vary by implementation of this interface: a bean-style implementation will get and set properties as beans do, by reflection on the target object's class, but other implementations are possible, such as one that uses the property name as a key into a map.
An implementation of this interface will often require that its target objects all be of some particular type. For example, the MapPropertyAccessor class requires that its targets all implement the java.util.Map interface.
Note that the "name" of a property is represented by a generic Object. Some implementations may require properties' names to be Strings, while others may allow them to be other types---for example, ArrayPropertyAccessor treats Number names as indexes into the target object, which must be an array. @author Luke Blanshard (blanshlu@netscape.net) @author Drew Davidson (drew@ognl.org)

     * {@link TilesContextPropertyAccessorDelegateFactory#getPropertyAccessor(String, Request)}
     * .
     */
    @Test
    public void testGetPropertyAccessorSessionScope() {
        PropertyAccessor objectPropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor applicationContextPropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor requestScopePropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor sessionScopePropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor applicationScopePropertyAccessor = createMock(PropertyAccessor.class);
        Request request = createMock(Request.class);
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("attribute", 1);


        replay(objectPropertyAccessor, applicationContextPropertyAccessor, requestScopePropertyAccessor,

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     * {@link TilesContextPropertyAccessorDelegateFactory#getPropertyAccessor(String, Request)}
     * .
     */
    @Test
    public void testGetPropertyAccessorApplicationScope() {
        PropertyAccessor objectPropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor applicationContextPropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor requestScopePropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor sessionScopePropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor applicationScopePropertyAccessor = createMock(PropertyAccessor.class);
        Request request = createMock(Request.class);
        ApplicationContext applicationContext = createMock(ApplicationContext.class);
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("attribute", 1);

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     * {@link TilesContextPropertyAccessorDelegateFactory#getPropertyAccessor(String, Request)}
     * .
     */
    @Test
    public void testGetPropertyAccessorRequestScopeDefault() {
        PropertyAccessor objectPropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor applicationContextPropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor requestScopePropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor sessionScopePropertyAccessor = createMock(PropertyAccessor.class);
        PropertyAccessor applicationScopePropertyAccessor = createMock(PropertyAccessor.class);
        Request request = createMock(Request.class);
        ApplicationContext applicationContext = createMock(ApplicationContext.class);
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("anotherAttribute", 1);

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     */
    @SuppressWarnings("unchecked")
    @Test
    public void testGetProperty() throws OgnlException {
        PropertyAccessorDelegateFactory<Integer> factory = createMock(PropertyAccessorDelegateFactory.class);
        PropertyAccessor mockAccessor = createMock(PropertyAccessor.class);
        Map<String, Object> context = createMock(Map.class);
        expect(factory.getPropertyAccessor("property", 1)).andReturn(mockAccessor);
        expect(mockAccessor.getProperty(context, 1, "property")).andReturn("value");


        replay(factory, mockAccessor, context);
        PropertyAccessor accessor = new DelegatePropertyAccessor<Integer>(factory);
        assertEquals("value", accessor.getProperty(context, 1, "property"));
        verify(factory, mockAccessor, context);
    }

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     */
    @SuppressWarnings("unchecked")
    @Test
    public void testSetProperty() throws OgnlException {
        PropertyAccessorDelegateFactory<Integer> factory = createMock(PropertyAccessorDelegateFactory.class);
        PropertyAccessor mockAccessor = createMock(PropertyAccessor.class);
        Map<String, Object> context = createMock(Map.class);
        expect(factory.getPropertyAccessor("property", 1)).andReturn(mockAccessor);
        mockAccessor.setProperty(context, 1, "property", "value");


        replay(factory, mockAccessor, context);
        PropertyAccessor accessor = new DelegatePropertyAccessor<Integer>(factory);
        accessor.setProperty(context, 1, "property", "value");
        verify(factory, mockAccessor, context);
    }

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     */
    @SuppressWarnings("unchecked")
    @Test
    public void testGetSourceAccessor() {
        PropertyAccessorDelegateFactory<Integer> factory = createMock(PropertyAccessorDelegateFactory.class);
        PropertyAccessor mockAccessor = createMock(PropertyAccessor.class);
        OgnlContext context = createMock(OgnlContext.class);
        expect(factory.getPropertyAccessor("property", 1)).andReturn(mockAccessor);
        expect(mockAccessor.getSourceAccessor(context, 1, "property")).andReturn("method");


        replay(factory, mockAccessor, context);
        PropertyAccessor accessor = new DelegatePropertyAccessor<Integer>(factory);
        assertEquals("method", accessor.getSourceAccessor(context, 1, "property"));
        verify(factory, mockAccessor, context);
    }

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     */
    @SuppressWarnings("unchecked")
    @Test
    public void testGetSourceSetter() {
        PropertyAccessorDelegateFactory<Integer> factory = createMock(PropertyAccessorDelegateFactory.class);
        PropertyAccessor mockAccessor = createMock(PropertyAccessor.class);
        OgnlContext context = createMock(OgnlContext.class);
        expect(factory.getPropertyAccessor("property", 1)).andReturn(mockAccessor);
        expect(mockAccessor.getSourceSetter(context, 1, "property")).andReturn("method");


        replay(factory, mockAccessor, context);
        PropertyAccessor accessor = new DelegatePropertyAccessor<Integer>(factory);
        assertEquals("method", accessor.getSourceSetter(context, 1, "property"));
        verify(factory, mockAccessor, context);
    }

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    }


    /** {@inheritDoc} */
    public PropertyAccessor getPropertyAccessor(String propertyName,
            TilesRequestContext request) {
        PropertyAccessor retValue;
        if (beanInfo.getMappedDescriptors(TilesRequestContext.class)
                .containsKey(propertyName)) {
            retValue = objectPropertyAccessor;
        } else if (beanInfo.getMappedDescriptors(TilesApplicationContext.class)
                .containsKey(propertyName)) {

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     *
     * @return The OGNL evaluator.
     */
    private OGNLAttributeEvaluator createOGNLEvaluator() {
        try {
            PropertyAccessor objectPropertyAccessor = OgnlRuntime.getPropertyAccessor(Object.class);
            PropertyAccessor mapPropertyAccessor = OgnlRuntime.getPropertyAccessor(Map.class);
            PropertyAccessor applicationContextPropertyAccessor =
                new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
                    new TilesApplicationContextNestedObjectExtractor(),
                    objectPropertyAccessor);
            PropertyAccessor requestScopePropertyAccessor =
                new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
                    new RequestScopeNestedObjectExtractor(), mapPropertyAccessor);
            PropertyAccessor sessionScopePropertyAccessor =
                new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
                    new SessionScopeNestedObjectExtractor(), mapPropertyAccessor);
            PropertyAccessor applicationScopePropertyAccessor =
                new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
                    new ApplicationScopeNestedObjectExtractor(), mapPropertyAccessor);
            PropertyAccessorDelegateFactory<TilesRequestContext> factory =
                new TilesContextPropertyAccessorDelegateFactory(
                    objectPropertyAccessor, applicationContextPropertyAccessor,
                    requestScopePropertyAccessor, sessionScopePropertyAccessor,
                    applicationScopePropertyAccessor);
            PropertyAccessor tilesRequestAccessor = new DelegatePropertyAccessor<TilesRequestContext>(factory);
            OgnlRuntime.setPropertyAccessor(TilesRequestContext.class, tilesRequestAccessor);
            return new OGNLAttributeEvaluator();
        } catch (OgnlException e) {
            throw new TilesContainerFactoryException(
                    "Cannot initialize OGNL evaluator", e);

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    }


    /** {@inheritDoc} */
    public PropertyAccessor getPropertyAccessor(String propertyName,
            TilesRequestContext request) {
        PropertyAccessor retValue;
        if (beanInfo.getMappedDescriptors(TilesRequestContext.class)
                .containsKey(propertyName)) {
            retValue = objectPropertyAccessor;
        } else if (beanInfo.getMappedDescriptors(TilesApplicationContext.class)
                .containsKey(propertyName)) {

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org.apache.tiles.evaluator.ognl.DelegatePropertyAccessorTest

org.apache.tiles.evaluator.ognl.NestedObjectDelegatePropertyAccessorTest

org.apache.tiles.evaluator.ognl.OGNLAttributeEvaluatorTest

org.apache.tiles.evaluator.ognl.TilesContextPropertyAccessorDelegateFactory

org.apache.tiles.evaluator.ognl.TilesContextPropertyAccessorDelegateFactoryTest

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