[ http://mc4j.org/jira/browse/STS-262?page=comments#action_10500 ]
Paul Barry commented on STS-262:
--------------------------------
I think it would be great to add this. As
James Strachan suggested in STS-268, it would be great if there is a
LifecycleStage for UrlParameter binding. This would make CRUD-type
action beans easier to code, because you could just do this:
@UrlBinding(/user/{id})
public class UserActionBean implements ActionBean {
private Long id;
private User user;
@DefaultHandler
public Resolution get() {
return new ForwardResolution("/WEB-INF/views/user.jsp");
}
public Resolution save() {
}
@Before(stage=LifecycleStage.UrlParameterBinding)
public void loadUser() {
if(id != null) {
user = userService.get(id);
}
}
}
Or the safer, more verbose way:
@UrlBinding(/user/{event}/{id})
public class UserActionBean implements ActionBean {
private Long id;
private User user;
public Resolution add() {
return new ForwardResolution("/WEB-INF/views/user.jsp");
}
public Resolution edit() {
return new ForwardResolution("/WEB-INF/views/user.jsp);
}
public Resolution create() {
userService.create(user);
return new RedirectResolution(SomeOtherActionBean.class);
}
public Resolution update() {
userService.update(user);
return new RedirectResolution(SomeOtherActionBean.class);
}
@Before(stage=LifecycleStage.UrlParameterBinding, on={"edit","update"})
public void loadUser() {
//Will throw exception if id is null or user is not found
user = userService.get(id);
}
}
To support this, will there be some kind of stripes url tag that will
allow you to generate a url to this event? Maybe like this:
<stripes:url class="com.mycompany.stripes.UserActionBean">
<stripes:urlParam name="id" value="${user.id}"/>
<stripes:urlParam name="event" value="edit"/>
</stripes:url>
> Friendly URL support
> --------------------
>
> Key: STS-262
> URL: http://mc4j.org/jira/browse/STS-262
> Project: Stripes
> Issue Type: New Feature
> Components: ActionBean Dispatching
> Reporter: Tim Fennell
> Assigned To: Tim Fennell
> Fix For: Release 1.5
>
>
> One thing that comes up frequently is support for friendly URLs, e.g.:
> /blog/2006/08/22
> /user/6282/edit
> and so on. While it's possible to acheive URLs like this using 3rd party
> tools like UrlRewriteFilter it would be nice if they were built directly into
> stripes because then all URL information could be kept in a single place for
> each class.
> I'm envisaging an annotation something like this:
> @UrlInfo("/{year}/{month}/{day}")
> @UrlInfo("/{userId}/{event}")
> that would inform Stripes how to map the extra pieces of information encoded
> in the URL.
> Optionally this could also be specified with the existing UrlBinding
> annotations, e.g.
> @UrlBinding("/blog/{year}/{month}/{day}")
> If done right, the stripes url and link tags could also take advantage of
> this information to put certain parameters into the URL instead of a
> parameter string.
> I'm very open to hearing alternative ideas around how to specify this, and
> other functionality that would be desirable.
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