StringResourceModel object value = null

[Tommy Sadiq Hinrichsen <to...@gmail.com>]

Hey

I'm using a Stringresourcemodel to display a custom message label. Its
constructed like this.

new Label("maxAmount", new
StringResourceModel("bookkeeping.amount.to.move",null, new Object[]{
                new PropertyModel(this, "valueReport.lastValuationDate"),
                new PropertyModel(this, "valueReport.totalValueLocal"),
                new
PropertyModel(getCurrentSelections().getSelectedLegalEntity(),
"bookkeepingCurrency")
        })));

With the following entry in a property file

bookkeeping.amount.to.move=Booked value per {0,date} is {1,number,###.##}
{2}

My problem is that the valuereport object is not populated before the user
makes a choice on the page. So my label is showing like this

Booked value per null is null DKK

When i try to use "" as default value in the constructor i get a conversion
error.
Caused by: java.lang.IllegalArgumentException: Cannot format given Object
as a Date

Anybody got any ideas?

Med venlig hilsen / Best regards

Tommy Sadiq Hinrichsen

Re: StringResourceModel object value = null

[Sven Meier <sv...@meiers.net>]

Hi,

it's java.text.MessageFormat which renders null parameters as 'null'.

I'd suggest you use a custom model that uses two different 
StringResourceModels depending on the present parameters.

Sven

On 07/19/2013 10:13 AM, Tommy Sadiq Hinrichsen wrote:
> Hey
>
> I'm using a Stringresourcemodel to display a custom message label. Its
> constructed like this.
>
> new Label("maxAmount", new
> StringResourceModel("bookkeeping.amount.to.move",null, new Object[]{
>                  new PropertyModel(this, "valueReport.lastValuationDate"),
>                  new PropertyModel(this, "valueReport.totalValueLocal"),
>                  new
> PropertyModel(getCurrentSelections().getSelectedLegalEntity(),
> "bookkeepingCurrency")
>          })));
>
> With the following entry in a property file
>
> bookkeeping.amount.to.move=Booked value per {0,date} is {1,number,###.##}
> {2}
>
> My problem is that the valuereport object is not populated before the user
> makes a choice on the page. So my label is showing like this
>
> Booked value per null is null DKK
>
> When i try to use "" as default value in the constructor i get a conversion
> error.
> Caused by: java.lang.IllegalArgumentException: Cannot format given Object
> as a Date
>
> Anybody got any ideas?
>
> Med venlig hilsen / Best regards
>
> Tommy Sadiq Hinrichsen
>


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