RE: Generic interface, issue in TML

[Nicolas Gillet - MARKET-IP]

Hello,

Tapestry version 5.2.5
Tomacat version 6.0.32

Nicolas.

-----Original Message-----
From: Josh Canfield [mailto:joshcanfi...@gmail.com] 
Sent: Thursday, July 14, 2011 3:30 PM
To: Tapestry users
Subject: Re: Generic interface, issue in TML

What version of tapestry?
On Jul 14, 2011 6:03 AM, "Support Geoplanning" <supp...@geoplanning.net>
wrote:
> Hello List,
>
>
>
> Not easy to summarize this issue in the title … anyway.
>
>
>
> I am facing an irritating behavior with a pojo that I want to modify in a
> form.
>
> This pojo implements a generic interface that forces the implementation of
a
> getter and a setter.
>
> If I try to link the value of a TextField to the property handled by this
> getter I get a happy
> “org.apache.tapestry5.ioc.internal.util.TapestryException”
>
> Like :
>
> org.apache.tapestry5.ioc.internal.util.TapestryException: Parameter
> 'translate' of component admin/Tasks:taskedit.taskeditform.foreignid is
> bound to null. This parameter is not allowed to be null. [at
> classpath:com/marketip/geoplanning/web/components/admin/TaskEditForm.tml,
> line 138]
>
>
>
> Here’s a sample :
>
>
>
> Interface :
>
> public interface Identifiable<T> {
>
> public T getId();
>
> public void setId(T id);
>
> }
>
>
>
> Pojo :
>
> public class MyPojo implements Identifiable <String> {
>
> public String id;
>
> public String name;
>
> public String getId() {
>
> return this.id;
>
> }
>
> public void setId(String id) {
>
> this.id = id;
>
> }
>
> public Strign getName() {
>
> return this.name;
>
> }
>
> public void setName(Strign name) {
>
> this.name = name;
>
> }
>
> }
>
>
>
> TML :
>
> <t:form t:id="myForm">
>
> <t:textfield t:id="pojoId" t:value="myPojoInstance.id" />
>
> <t:textfield t:id="pojoName" t:value="myPojoInstance.name"
> />
>
> </t:form>
>
>
>
> => this will show the above exception at render time, and simply removing
> the “implements Identifiable<String>” of the MyPojo class will make
> everything running just fine.
>
>
>
> Above all, I don’t have the problem when running the application on Jetty
> (Eclipse plugin) but I do have the problem when deploying the application
on
> a Tomcat 6.
>
>
>
> Does anyone have an idea ?
>
>
>
> Thanks,
>
>
>
>
> Nicolas Gillet
>
> <mailto:philippe.su...@market-ip.com> nicolas.gil...@market-ip.com
>
> Tel. +32.81.33.11.11
>
> Fax.+32.81.33.11.10
>
>
>
> cid:image001.jpg@01CAF041.1E9CE660
>
> Chaussée de Marche, 774
>
> B-5100 Naninne
>
> Belgique
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


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