Localizing enum values in resource bundle

The value which is passed through the converter is not the option label as you seem to expect, but the option value. The best practice is to not do this in the model side, but in the view side, because the model shouldn’t need to be i18n aware.

As to the approach, you’re basically unnecessarily overcomplicating things. Since JSF 1.2 there’s a builtin EnumConverter which will kick in automatically and since JSF 2.0 you can iterate over a generic array or List in f:selectItems by the new var attribute without the need to duplicate the values over a List<SelectItem> in the model.

Here’s how the bean can look like:

public class Bean {
    private OrderStatus orderStatus;
    private OrderStatus[] orderStatuses = OrderStatus.values();

    // ...
}

And here’s how the view can look like (assuming that msg refers to the <var> as you’ve definied in <resource-bundle> in faces-config.xml):

<h:selectOneMenu value="#{bean.orderStatus}">
    <f:selectItems value="#{bean.orderStatuses}" var="orderStatus" 
        itemValue="#{orderStatus}" itemLabel="#{msg[orderStatus.name]}" />
</h:selectOneMenu>

That’s all.


Unrelated to the problem, you’ve typos in the enum name and message keys, it should be:

PENDING("enum.orderstatus.pending"),
CANCELLED("enum.orderstatus.cancelled");

And, more clean would be to keep the bundle keys out the enum and use enum itself as part of bundle key. E.g.

PENDING,
CANCELLED;
<h:selectOneMenu value="#{bean.orderStatus}">
    <f:selectItems value="#{bean.orderStatuses}" var="orderStatus" 
        itemValue="#{orderStatus}" itemLabel="#{msg['enum.orderstatus.' += orderStatus]}" />
</h:selectOneMenu>
enum.orderstatus.PENDING = Pending
enum.orderstatus.CANCELLED = Cancelled

Leave a Comment

tech