Number types with custom formatting
"Smerek, Martin" <[email protected]> Thu, 4 Apr 2013 15:10:21 -0700
| Newsgroups | gmane.comp.web.freemarker.user |
|---|---|
| Message-ID | <7FFCC49A9CDC1441891365778636475A8B9B6171@corpmail2007.corp.netledger.com> |
<html><body>Hi all,
We'd like to use FreeMarker for our project. We have special formatting for different number types (internal id, multiple currencies, quantity) and we'd like to offer our users a comfort of automatic formatting without making them to call build-ins, e.g. use simply
${transaction.total}
${transaction.quantity}
instead of
${transaction.total?string.currency}
${transaction.quantity?string.number}
We tried to implement both TemplateNumberModel and TemplateScalarModel interfaces, but in freemarker.core.Expression.getStringValue(TemplateModel, Expression, Environment), TemplateNumberModel always takes priority before TemplateScalarModel. This results in one global format for all number types.
Quick and dirty solution is to move the above mentioned condition with TemplateScalarModel before the one with TemplateNumberModel. However, we aren't sure why the sequence of the conditions looks as it does and if the change wouldn't cause some other problem. Any thoughts on this?
Is there any way how to treat a number as number (to support comparison and arithmetics) but format it in completely custom way?
Thank you very much,
Martin Smerek
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