Eclipse will automatically update the page name string in your
@InjectPage annotations when you rename the page class, so it's really
no problem to use raw strings. You just have to check the "Update
textual matches in comments and strings" box.
-Ryan
Adam Zimowski wrote:
I compriomised on a page level constant. Not pretty, but a lot better
than hard-coding string.
public class FooPage extends BasePage {
// below must match name of the page as
// Tapestry sees it (not necessairly same as name of page class)
public final static String NAME = "Foo";
}
@InjectPage(FooPage.NAME)
public abstract FooPage getFooPage();
It's not ideal, but it works. If I change my page name, I only have to
remember to update constant in page class, and Inject annotations get
refactored automatically. If you or anyone else thinks of anything
better, I'm all for it...
Adam
On 3/27/06, Pedro Viegas <[EMAIL PROTECTED]> wrote:
Anyone found a way to make this happen?
Seems like a very important point. Refactoring happends all the time. Is
everyone using these string constants all over the place or not simply using
the InjectPage?
On 3/6/06, Adam Zimowski <[EMAIL PROTECTED]> wrote:
Thanks much, Till. I'm on JDK 1.5 and tried
MyPage.class.getSimpleName() but compiler is smart enough to figure
out this is a non constant expression and won't let you inject page:
@InjectPage(MyPage.class.getSimpleName())
:-(
On 3/6/06, Till Nagel <[EMAIL PROTECTED]> wrote:
Adam,
to avoid repeating the page name as string constant, you could use
public static final String NAME =
MyPage.class.getName().replaceAll(".*\\.", "");
or, if you are using Java 1.5
public static final String NAME = MyPage.class.getSimpleName();
-----Original Message-----
From: Adam Zimowski [mailto:[EMAIL PROTECTED]
Sent: Friday, March 03, 2006 9:04 PM
To: Tapestry users
Subject: Re: Best Practice: Controlling Page Names
Enums wouldn't work because .toString() would result in a non-constant
expression.
So let's assume every page has:
public static final String NAME = "page_name as defined in
*.application
file";
Then:
@InjectPage(Page.NAME)
Is this a clean way to do this?
On 3/3/06, Adam Zimowski <[EMAIL PROTECTED]> wrote:
I'd like to hear what you folks would recommend for controlling when
referring to pages via their names, such as:
@InjectPage("Registration")
etc..
If I have the same page injected in 20 places, then rename the page
it
would be a pain to refactor. Since I'm on JDK 1.5, I'm thinking of
creating page enum, and since toString() of an enum is its value it
would work rather nicely:
public enum EPages { Home, Registration, etc... }
@InjectPage(EPages.Registration)
Sure, I have one more place to maintain with page names, but I
wouldn't mind it comparing to current state of affairs.
Or is there even a better way? I'd like to keep injection
annotation
because I've come so accustomed to it.
Regards,
Adam
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Pedro Viegas
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