Examples of org.apache.tapestry.spec.IComponentSpecification

org.apache.tapestry.spec.IComponentSpecification
A specification for a component, as read from an XML specification file.
A specification consists of
- An implementing class
- An optional template
- An optional description
- A set of contained components
- Bindings for the properties of each contained component
- A set of named assets
- Definitions for helper beans
- Any reserved names (used for HTML attributes)
From this information, an actual component may be instantiated and initialized. Instantiating a component is usually a recursive process, since to initialize a container component, it is necessary to instantiate and initialize its contained components as well. @see org.apache.tapestry.IComponent @see IContainedComponent @see IComponentSpecification @see org.apache.tapestry.engine.IPageLoader @author glongman@intelligentworks.com @version $Id: IComponentSpecification.java 243791 2004-02-19 17:38:13Z hlship $

        InjectSpecification spec = _factory.createInjectSpecification();


        spec.setProperty(property);
        spec.setType(type);
        spec.setObject(objectReference);
        IComponentSpecification cs = (IComponentSpecification) peekObject();


        cs.addInjectSpecification(spec);


        push(_elementName, spec, STATE_NO_CONTENT);
    }

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    }


    private void enterReservedParameter()
    {
        String name = getAttribute("name");
        IComponentSpecification cs = (IComponentSpecification) peekObject();


        cs.addReservedParameterName(name);


        push(_elementName, null, STATE_NO_CONTENT);
    }

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        Collection names = source.getBindingNames();


        if (names == null)
            return;


        IComponentSpecification specification = source.getSpecification();
        Iterator i = names.iterator();


        while (i.hasNext())
        {
            String name = (String) i.next();


            // If not a formal parameter, then copy it over.


            if (specification.getParameter(name) == null)
            {
                IBinding binding = source.getBinding(name);


                destination.setBinding(name, binding);
            }

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     *            {@link IComponentSpecification}).
     */


    private void bind(IComponent container, IComponent component, IContainedComponent contained)
    {
        IComponentSpecification spec = component.getSpecification();
        boolean formalOnly = !spec.getAllowInformalParameters();


        IComponentSpecification containerSpec = container.getSpecification();
        boolean containerFormalOnly = !containerSpec.getAllowInformalParameters();


        if (contained.getInheritInformalParameters())
        {
            if (formalOnly)
                throw new ApplicationRuntimeException(PageloadMessages

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                String type = contained.getType();
                Location location = contained.getLocation();


                _componentResolver.resolve(cycle, namespace, type, location);


                IComponentSpecification componentSpecification = _componentResolver
                        .getSpecification();
                INamespace componentNamespace = _componentResolver.getNamespace();


                // Instantiate the contained component.

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        IPage page = container.getPage();


        _componentResolver.resolve(cycle, container.getNamespace(), componentType, location);


        INamespace componentNamespace = _componentResolver.getNamespace();
        IComponentSpecification spec = _componentResolver.getSpecification();


        IComponent result = instantiateComponent(
                page,
                container,
                componentId,

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            install();
            
            return;
        }


        IComponentSpecification specification = getDelegate().findComponentSpecification(
                cycle,
                namespace,
                _type);
        
        setSpecification(specification);

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    }


    private void install()
    {
        INamespace namespace = getNamespace();
        IComponentSpecification specification = getSpecification();


        if (_log.isDebugEnabled())
            _log.debug(ResolverMessages.installingComponent(_type, namespace, specification));


        namespace.installComponentSpecification(_type, specification);

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    private void connectInformalBinding(
        IComponent container,
        IComponent component,
        String bindingName)
    {
        IComponentSpecification componentSpec = component.getSpecification();
        IComponentSpecification containerSpec = container.getSpecification();


        // check if binding already exists in the component
        if (component.getBinding(bindingName) != null)
            return;


        // check if parameter is informal for the component
        if (componentSpec.getParameter(bindingName) != null
            || componentSpec.isReservedParameterName(bindingName))
            return;


        // check if parameter is informal for the container
        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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    private void removeBeans(BeanLifecycle lifecycle)
    {
        if (_beans == null)
            return;


        IComponentSpecification spec = null;


        Iterator i = _beans.entrySet().iterator();
        while (i.hasNext())
        {
            Map.Entry e = (Map.Entry) i.next();
            String name = (String) e.getKey();


            if (spec == null)
                spec = _component.getSpecification();


            IBeanSpecification s = spec.getBeanSpecification(name);


            if (s.getLifecycle() == lifecycle)
            {
                Object bean = e.getValue();

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