Re: [Wicket-develop] bookmrkable

Jonathan Locke Wed, 22 Dec 2004 10:30:14 -0800

i wonder if this isn't common enough to provide a more turnkey solution as well. what if we provided a page mapping facility like struts where an XML file contains mappings from URLs to pages? this could then be implemented in terms of your facility. it has been a goal to stay away from XML files, but this is one place where it might be worth having an XML file. maybe something like:

<BookmarkablePageMappings>

<BookmarkablePageMapping from = "/mypage.html" to = "myapp.MyPage"/> <BookmarkablePageMapping from = "/flashlights.html" to = "myapp.Products?item=flashlight"/>

</BookmarkablePageMappings>

in this scenario, every URL is mapped to a "appname?bookmarkable=..." destination.

just an idea....

jon

Juergen Donnerstag wrote:

Whenever I show Wicket to a friend, one the first thngs they ask me:
why can't I use urls like http//localhost/myapp/mypage.html. Why do I
need /myapp?bookmarkable=myapp.MyPage?

I must admit I understand there request, especially as I don't know
any good reason not to have it. Until now I used urlrewriter - a java
servlet filter based Url rewriter - but it is lacking one important
feature. I want *.html urls be case insensitive but I do not want one
rule for each html url. Thus I need to be able to map (key:
url.toLower()) with the case sensitive "class name".

Besides there is another, security aspect. Currently all classes
provided with bookmarkable=... get loaded as long as it is a Page.
Most applications will have BasePages to provide authenication, apply
corporate layout etc.. But currently you can not prevent the user from
calling this pages (urls) directly. Hmm, I guess that is wrong; simply
make the class abstract. Nevertheless

my idea is simple. Extend HttpRequestCycle.handleRender() to call an
empty setPageFromUrl() like
if (setPageFromUrl() || callComponentListener() || bookmarkablePage()
|| homePage())
with an empty implementation like
protected boolean setPageFromUrl() {
return false;
}

Subclasses of HttpRequestCycle may now implement there own logic to
determine the Page from the URL.

Finally make HttpApplication.doGet() non final to allow MyApplication
to subclass doGet() and to replace cycle = new HttpRequestCycle() with
my extended version.

Any thughts?

Juergen

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Re: [Wicket-develop] bookmrkable

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