Hi,
Has anyone compared the configuration of JSF vs Struts ?
Struts has a good mechanism to specify the forwards for each Action.
JSF has a different approach.
In faces-config.xml, you can specify navigation rules.
You can specify something a navigation rules like..
<navigation-rule>
<from-tree-id>/demo/login.jsp</from-tree-id>
<navigation-case>
<from-outcome>fail</from-outcome>
<to-tree-id>/demo/error.jsp</to-tree-id>
</navigation-case>
<navigation-case>
<from-outcome>success</from-outcome>
<to-tree-id>/demo/welcome.jsp</to-tree-id>
</navigation-case>
</navigation-rule>
I find this better, because you can specify both the "FROM" webpage
and the "TO" webpage in the navigation rule.
Also event-handling is nice in JSF. For example, you can implement
a web-screen as one Java class and specify event-handling methods to
each submit button.
So far, I have really liked JSF.
Ajay
> I think an action's mapping is a decision by the action itself.
> Like I said earlier, when an application development finishes, that
> decision will become static. At that point, when an Action's mapping
> changes, its code will have to change too (unless the new mapping is
> kind of a synonym to the old mapping, which doesn't bear any shift in
> the semantics). As such, there is almost no point in keeping the
> decision and the code separate (i.e. making the decision's
> configuration a loose end of the code). Or at least,
> configuration shouldn't be the only way to add or modify an Action.
> Even though each Action's configuration may be small, the
> configurations for all the Actions need to be kept track of and
> maintained (for integrity). That may be a significant but unnecessary
> side work. To view the mappings, there can be a tool to traverse the
> structure by api calls and display it. That can be done after the
> fact and doesn't have to be before it. In addition to that, when the
> decision (or configuration if any) goes where the code lives,
> modularity increases.
> IMHO,
> - Robert.
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