Examples of org.apache.tapestry.IBinding

org.apache.tapestry.IBinding
A binding is the mechanism used to provide values for parameters of specific {@link IComponent} instances. The component doesn'tcare where the required value comes from, it simply requires that a value be provided when needed.
Bindings are set inside the containing component's specification. Bindings may be static or dynamic (though that is irrelevant to the component). Components may also use a binding to write a value back through a property to some other object (typically, another component). @author Howard Lewis Ship @version $Id: IBinding.java 243791 2004-02-19 17:38:13Z hlship $

        PortletRequest request = newRequest(map);
        Location l = newLocation();


        replayControls();


        IBinding b = newBinding("description", vc, l, request, "foo.bar");


        assertSame(l, b.getLocation());
        assertEquals("description", b.getDescription());
        assertEquals(false, b.isInvariant());
        assertEquals("baz", b.getObject());


        verifyControls();
    }

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        PortletRequest request = newRequest(null);
        Location l = newLocation();


        replayControls();


        IBinding b = newBinding("description", vc, l, request, "foo.bar");


        try
        {
            b.getObject();
            unreachable();
        }
        catch (ApplicationRuntimeException ex)
        {
            assertEquals(BindingsMessages.noUserInfo(), ex.getMessage());

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        converter.coerceValue(newValue, String.class);
        converterc.setReturnValue(valueConverted);


        replayControls();


        IBinding b = newBinding("description", converter, l, request, "foo.bar");


        b.setObject(newValue);


        assertSame(valueConverted, map.get("foo.bar"));


        verifyControls();
    }

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                continue;
            }


            String description = PageloadMessages.parameterName(name);


            IBinding binding = convert(container, description,
                    defaultBindingPrefix, bspec);


            addBindingToComponent(component, parameterName, binding);
        }
    }

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     */


    static void addBindingToComponent(IComponent component,
            String parameterName, IBinding binding)
    {
        IBinding existing = component.getBinding(parameterName);


        if (existing != null)
            throw new ApplicationRuntimeException(PageloadMessages
                    .duplicateParameter(parameterName, existing), component,
                    binding.getLocation(), null);

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            String defaultBindingType = BindingUtils.getDefaultBindingType(
                    spec,
                    name,
                    BindingConstants.OGNL_PREFIX);


            IBinding binding = convert(container, description, defaultBindingType, bspec);


            component.setBinding(name, binding);
        }
    }

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        // (not the DirectLink or Form, but the page or component containing the
        // link or form).


        String description = PageloadMessages.parameterName(parameterName);


        IBinding binding = new ListenerBinding(description, _valueConverter, spec.getLocation(),
                component.getContainer(), language, spec.getScript(), _managerFactory);


        component.setBinding(parameterName, binding);
    }

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        if (containerSpec.getParameter(bindingName) != null
            || containerSpec.isReservedParameterName(bindingName))
            return;


        // if everything passes, establish binding
        IBinding binding = container.getBinding(bindingName);
        component.setBinding(bindingName, binding);
    }

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     */
    public ITreeSessionStateManager getTreeSessionStateMgr()
    {
        if (m_objTreeSessionStateManager == null)
        {
            IBinding objBinding = getSessionStateManagerBinding();
            if (objBinding != null)
            {
                Object objManager = objBinding.getObject();
                m_objTreeSessionStateManager = (ITreeSessionStateManager) objManager;
            }
            else
            {
                m_objTreeSessionStateManager = new FullTreeSessionStateManager();

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     * @see org.apache.tapestry.contrib.tree.model.ITreeModelSource#getTreeStateListener()
     */
    public ITreeStateListener getTreeStateListener()
    {
        ITreeStateListener objListener = null;
        IBinding objBinding = getBinding("treeStateListener");
        if (objBinding != null)
        {
            objListener = (ITreeStateListener) objBinding.getObject();
        }
        return objListener;
    }

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