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https://issues.apache.org/jira/browse/WICKET-1719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg resolved WICKET-1719.
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Resolution: Fixed
Fix Version/s: 1.4-M4
Assignee: Igor Vaynberg
> StringResourceModel may fail to format numbers using MessageFormat
> ------------------------------------------------------------------
>
> Key: WICKET-1719
> URL: https://issues.apache.org/jira/browse/WICKET-1719
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.3.3
> Reporter: Andrea Aime
> Assignee: Igor Vaynberg
> Fix For: 1.3.5, 1.4-M4
>
>
> StringResourceModel API seems to suggest it's possible to use it without a
> Component reference using the following approach:
> {code}
> m = new StringResourceModel("key", null, new Model(...), new Object[] {p1,
> p2, ...});
> m.setLocalizer(xxxApplication.get().getResourceSettings().getLocalizer());
> return m.toString()
> {code}
> Unfortunately the above will fail with an exception if the message uses the
> MessageFormat approach and one of the parameters
> is a number, since the locale field in StringResourceModel won't be
> initialized, and will then be passed as null to new MessageFormat(value,
> locale) at line 514 of StringResourceFormat.
> I'm using the following crude workaround:
> {code}
> StringResourceModel rm = new StringResourceModel(key, null, model, params) {
> @Override
> public void setLocalizer(Localizer localizer) {
> super.setLocalizer(localizer);
> // crude hack to force into the StringResoruceLoader to grab
> a locale,
> // which is needed to format numbers with the MessageFormat
> approach
> load();
> }
> };
>
> rm.setLocalizer(GeoServerApplication.get().getResourceSettings().getLocalizer());
> return rm.getString();
> {code}
> but boy, this looks ugly... Creating a custom subclass that does locale
> loading in the
> constructor would look better, but still quite ugly...
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