users@javaserverfaces.java.net

Re: How do I define a function to be used with Unified Expression Language in JSF?

From: Mikael Andersson <mail.micke_at_gmail.com>
Date: Wed, 19 Mar 2008 14:17:54 +0000

Also, if you are using Seam they've enhanced the EL a bit to cope with
passing parameters.

- Micke

On 18/03/2008, Todd Patrick <Todd.Patrick_at_dtn.com> wrote:
>
> I'm Reading the section "Unified Expression Language" in the Java EE
> Tutorial.
>
> The JSP expression language allows you to define a function that can be
> invoked in an
> expression.
>
> What I'd like to do is the following:
>
> 1.) Within a h:dataTable I have a JSF component that looks like this:
>
> <h:dataTable var="row" value="#{mybean.clientList}">
> ...
> <h:outputText value="#{row.clientCreated}"/>
>
> "mybean" is in request scope and the clientList is a List<Client>. The
> clientCreated property returns a Long which is the milliseconds of the
> Date Time of when the Client was added.
>
>
> 2.) I have a public String method in the same "mybean" that converts
> milliseconds to a human readable date time format.
>
> public String myClientTime(Long milliseconds){
> }
>
>
> 3.) Is it possible to do something like this?
>
> <h:dataTable var="row" value="#{mybean.clientList}">
> ...
> <h:outputText value="#{mybean.myClientTime(row.clientCreated)}"/>
>
>
> I don't control the List<Client> that is provided to the value of the
> h:dataTable, so I can't convert the milliseconds to a human readable
> format before I display the value in the h:outputText component.
>
> I appreciate any suggestions on the best way to do this.
>
> Thanks,
>
> --Todd
>
>
> Todd Patrick
> Web Developer
> DTN
> 9110 West Dodge Road, Suite 200
> Omaha, NE 68114
>
> todd.patrick_at_dtn.com
> Phone: 402-255-8155
> Fax: 402-255-8825
> www.dtn.com
> DTN Smarter Decisions
>
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