Examples of 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 $

Examples of org.apache.tapestry.spec.IComponentSpecification

        return _specification.getLibraryIds();
    }


    public IComponentSpecification getPageSpecification(String name)
    {
        IComponentSpecification result = (IComponentSpecification) _pages.get(name);


        if (result == null)
        {
            result = locatePageSpecification(name);

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Examples of org.apache.tapestry.spec.IComponentSpecification

        return result;
    }


    public IComponentSpecification getComponentSpecification(String alias)
    {
        IComponentSpecification result = (IComponentSpecification) _components.get(alias);


        if (result == null)
        {
            result = locateComponentSpecification(alias);
            _components.put(alias, result);

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Examples of org.apache.tapestry.spec.IComponentSpecification


    protected IComponentSpecification parseSpecification(
        IResourceLocation resourceLocation,
        boolean asPage)
    {
        IComponentSpecification result = null;


        if (LOG.isDebugEnabled())
            LOG.debug("Parsing component specification " + resourceLocation);


        SpecificationParser parser = getParser();

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Examples of org.apache.tapestry.spec.IComponentSpecification

     * 
     **/


    public synchronized IComponentSpecification getComponentSpecification(IResourceLocation resourceLocation)
    {
        IComponentSpecification result =
            (IComponentSpecification) _componentCache.get(resourceLocation);


        if (result == null)
        {
            result = parseSpecification(resourceLocation, false);

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Examples of org.apache.tapestry.spec.IComponentSpecification

        return result;
    }


    public synchronized IComponentSpecification getPageSpecification(IResourceLocation resourceLocation)
    {
        IComponentSpecification result = (IComponentSpecification) _pageCache.get(resourceLocation);


        if (result == null)
        {
            result = parseSpecification(resourceLocation, true);

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Examples of org.apache.tapestry.spec.IComponentSpecification

     * 
     **/


    public ComponentTemplate getTemplate(IRequestCycle cycle, IComponent component)
    {
        IComponentSpecification specification = component.getSpecification();
        IResourceLocation specificationLocation = specification.getSpecificationLocation();


        Locale locale = component.getPage().getLocale();


        Object key = new MultiKey(new Object[] { specificationLocation, locale }, false);

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Examples of org.apache.tapestry.spec.IComponentSpecification

     *  Adds bindings based on attributes in the template.
     */


    private void addTemplateBindings(IComponent component, OpenToken token)
    {
        IComponentSpecification spec = component.getSpecification();


        Map attributes = token.getAttributesMap();


        if (attributes != null)
        {
            Iterator i = attributes.entrySet().iterator();


            while (i.hasNext())
            {
                Map.Entry entry = (Map.Entry) i.next();


                String name = (String) entry.getKey();
                TemplateAttribute attribute = (TemplateAttribute) entry.getValue();
                AttributeType type = attribute.getType();


                if (type == AttributeType.OGNL_EXPRESSION)
                {
                    addExpressionBinding(
                        component,
                        spec,
                        name,
                        attribute.getValue(),
                        token.getLocation());
                    continue;
                }


                if (type == AttributeType.LOCALIZATION_KEY)
                {
                    addStringBinding(
                        component,
                        spec,
                        name,
                        attribute.getValue(),
                        token.getLocation());
                    continue;
                }


                if (type == AttributeType.LITERAL)
                    addStaticBinding(
                        component,
                        spec,
                        name,
                        attribute.getValue(),
                        token.getLocation());
            }
        }


        // if the component defines a templateTag parameter and 
        // there is no established binding for that parameter, 
        // add a static binding carrying the template tag  
        if (spec.getParameter(ITemplateSource.TEMPLATE_TAG_PARAMETER_NAME) != null
            && component.getBinding(ITemplateSource.TEMPLATE_TAG_PARAMETER_NAME) == null)
        {
            addStaticBinding(
                component,
                spec,

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Examples of org.apache.tapestry.spec.IComponentSpecification


    public String getComponentType()
    {
        IComponent container = _component.getContainer();


        IComponentSpecification containerSpecification = container.getSpecification();


        String id = _component.getId();
        IContainedComponent contained = containerSpecification.getComponent(id);


        // Temporary:  An implicit component will not be in the containing
        // component's specification as a ContainedComponent.


        if (contained == null)

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Examples of org.apache.tapestry.spec.IComponentSpecification

    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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Examples of org.apache.tapestry.spec.IComponentSpecification

        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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