It is the line where PropertyConduitSource (variable source.create() ... )
create synthetic property account as the following code.
PropertyConduit accountProperty = source.create(User.class,
"account");
Is this the right way to create PropertyConduit? I tried to change it using
String.class, but the error is the same (NullPointerException). I think
there should have something I miss, but that's the method I found on the
mailinglist. I am confused indeed.
http://www.nabble.com/T5%3A-Working-with-BeanModel-td18231888.html#a18352011
ccordenier wrote:
>
> What corresponds to line 92 in your code ?
>
> -----Message d'origine-----
> De : neo anderson [mailto:javadeveloper...@yahoo.co.uk]
> Envoyé : lundi 28 septembre 2009 14:23
> À : users@tapestry.apache.org
> Objet : Re: Bean editor model for User already contains a property model
> for property 'account'
>
>
>
> Now I use the folloing method to create synthetic property
>
> PropertyConduit accountProperty =
> source.create(User.class, "account");
> ClassPropertyAdapter cpa = access.getAdapter(User.class);
> PropertyAdapter pa = cpa.getPropertyAdapter("account");
> String dt = analyzer.identifyDataType(pa);
>
> model.add("account",accountProperty).dataType(dt).label("Account").sortable(false);
>
> However, it throws NullPointerException without further detail.
>
> Caused by: java.lang.NullPointerException
> at
> org.jecommerce.pages.Register.getRegisterModel(Register.java:92)
> at
> $PropertyConduit_12400839bf9.get($PropertyConduit_12400839bf9.java)
> at
> org.apache.tapestry5.internal.bindings.PropBinding.get(PropBinding.java:58)
> ... 91 more
>
> What additional information I need to provide (or anything is missing) so
> that it won't throw this error?
>
> Thanks for help.
>
>
>
> Thiago H. de Paula Figueiredo wrote:
>>
>> Em Wed, 23 Sep 2009 17:58:08 -0300, neo anderson
>> <javadeveloper...@yahoo.co.uk> escreveu:
>>
>>
>>> I have an domain object named User, in which it has a field called
>>> `account'. However, the User object only provide method getAccount(),
>>> but does not
>>> provide method setAccount(String account).
>>
>> BeanModelSource (used when a BeanModel is needed and you don't provide
>> one) ignores read-only properties. It doesn't care about fields, just
>> about getters and setters.
>>
>>> In the page object e.g. Register, in which I build a BeanModel using
>>> BeanModelSource.create(User.class, ...)
>>
>> This method is deprecated. use createDisplayModel() or createEditModel()
>> instead.
>>
>>> 1.) in the Register page object, BeanModel does not use
>>> `BeanModel.add("account",null).label("Account").sortable(false)' method
>>> to create account field.
>>>
>>> Error:
>>> aused by: java.lang.RuntimeException: Bean editor model for User does
>>> not
>>> contain a property named 'account'. Available properties: address,
>>> name,
>>> password, sex.
>>
>> You can't reorder a model using some property that doesn't exist.
>>
>>> Caused by: java.lang.RuntimeException: Bean editor model for User
>>> already
>>> contains a property model for property 'account'.
>>
>> You can't add the same property twice in the same model.
>>
>>> What is the correct way to add a column that the User object doesn't
>>> provide get/set method at the same time?
>>
>> For BeanEditForm or BeanEditor, you'll need to provide your own
>> PropertyConduit to model.add(String property, PropertyConduit conduit).
>>
>> --
>> Thiago H. de Paula Figueiredo
>> Independent Java consultant, developer, and instructor
>> http://www.arsmachina.com.br/thiago
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
>> For additional commands, e-mail: users-h...@tapestry.apache.org
>>
>>
>>
>
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