Advanced Mounting & Markup Location

[Arjun Dhar <dh...@yahoo.com>]

When Locating the Markup for a Page, I want to know the corresponding class
(associated with the page/markup).
Currently Im directing Wicket to my Custom Markup location with the
following code in "Application":

...
final IResourceStreamLocator defaultLocator =
super.getResourceSettings().getResourceStreamLocator();
return new ResourceStreamLocator(){
        	@Override
            public IResourceStream locate(final Class<?> clazz, final String
path) {
	       ...
               //Figure alternate path by reading path
               ....
	       //if valid URL not found use the defaultLocator
	       ...
	    }
...


I want to get the associated Component class. I know the String "path"
represents the ClassPath, but its still a String and contains Locale Junk &
an extension with it. 
Is there someway I can get Class<?> directly so I don't have to do String
manipulations?


Another thing I want is, when the dynamicPage (which --extends-->
TemplatePage --extends-->  WebPage) appears it knows its associated
"Template" DataStructure details.
TemplatePage - Wicket Component
Template - Data Structure

TemplatePage <---> Template

When Mounting, on init() in Application:
application.mount(new QueryStringUrlCodingStrategy(pagePath, [Templace
Class] ));

During the mount itself, is there anyway for me to associate/pass models to
the pages which will be constructed?
Wicket uses no-arg Contstructors for WebPage, but what if I want to pass a
WebPage contexutal info specific to the Page while mounting? (Can i do
this?) --> I believe this would be efficient


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Re: Advanced Mounting & Markup Location

[Arjun Dhar <dh...@yahoo.com>]

ok its embarassing to have to post the answers to your questions, heh but
this is one is for less fortunate:

In my application I could pass the Class of the MarkupContainer (rather than
the class that loads the markup)

	/**
	 * The {@link DefaultMarkupResourceStreamProvider#getMarkupResourceStream};
derives the path 
	 * from the "Class<?> containerClass" and passes it to the {@link
IResourceStreamLocator#locate} method.<br />
	 * It also passes the MarkupContainer class to the {@link
IResourceStreamLocator#locate} method. This class is useless in our case,
	 * and there is more value in getting the actual "Class<?> containerClass".
Simple swap which class is passed to the locate mothod.
	 */
	protected void tweakMarkupCacheStreamProvider() {
		getMarkupSettings().setMarkupCache(new MarkupCache(this) {
			private IMarkupResourceStreamProvider markupResourceStreamProvider;
			
			/**
			 * Get the markup resource stream provider to be used
			 * 
			 * @param container
			 *            The MarkupContainer requesting the markup resource stream
			 * @return IMarkupResourceStreamProvider
			 */
			protected IMarkupResourceStreamProvider getMarkupResourceStreamProvider(
				final MarkupContainer container)
			{
				if (container instanceof IMarkupResourceStreamProvider)
				{
					return (IMarkupResourceStreamProvider)container;
				}

				if (markupResourceStreamProvider == null)
				{
					/*
					 * Most of the code of the original {@link
DefaultMarkupResourceStreamProvider} is untouched,
					 * except the line that calls the locate(...) method!
					 */
					markupResourceStreamProvider = new
DefaultMarkupResourceStreamProvider() {
						public IResourceStream getMarkupResourceStream(final MarkupContainer
container, Class<?> containerClass)
						{
							...
							...
							//container.getClass() replaced with containerClass below :::
							IResourceStream resourceStream = locator.locate(containerClass, path,
style, locale, ext); 
							...
							...
						}						
					};
				}
				return markupResourceStreamProvider;
			}			
		});
	}


Request to the Developers ::
One particularly disturbing thing I've seen in certain wicket components
(maybe an oversight); is that if you dont have POJO style getter() &
setter() on your components; then non final variables should be declared
"protected" not private. There is no point providing overriding methods that
use private variables, to which the child class has no access.

thanks


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Software documentation is like sex: when it is good, it is very, very good; and when it is bad, it is still better than nothing!
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