[cai18n-dev] Type safe message definition

[Takeshi Kondo]

Hi Ceki

I'm sorry. I'm working to 22 pm in Japan time(14 pm in French time).

I'll update it until tomorrow morning.


On 2009/08/28, at 6:11, Ceki Gulcu <ceki at qos.ch> wrote:

>
> Hi Takeshi,
>
> Thank you for sharing your new ideas. I just cloned http://github.com/takeshi/cai18n/tree/master 
> .
>
> It looks like MessageDefinitionConveyor is referencing the class  
> ch.qos.cai18n.sample.ColorMessageConfiguration (part of the tests).  
> This causes the maven build to fail for me.
>
> I'll look at the code some more tomorrow morning and come back to  
> you with comments.
>
> Cheers,
>
> Takeshi Kondo wrote:
>> Hi Ceki
>> I have two type safe message definition idea.
>> I've committed draft code to my cai18n project clone.
>> (http://github.com/takeshi/cai18n/tree/master)
>> Please take it in cai18n project, if you like it,.
>> My ideas is as follows.
>> 1. Message definition by annotation
>> for instance,
>> public enum LocalizedColors {
>>    @Message("green")
>>    GREEN {
>>        @Message("vert")
>>        Locale fr = Locale.FRANCE;
>>        @Message("midori")
>>        Locale ja = Locale.JAPAN;
>>    }
>> }
>> Using enum field declaration with annotation, we can define  
>> localized message. It is simple , but we can't add other locale.
>> 2. Message definition by switch case
>> for instance,
>> public class ColorDef_fr extends MessageDefinition<Colors> {
>>    public Locale getLocale() {
>>        return Locale.FRANCE;
>>    }
>>    public String getMessage(Colors e) {
>>        switch (e) {
>>        case BLUE:
>>            return "blue";
>>        case GREEN:
>>            return "vert";
>>        case RED:
>>            return "rouge";
>>        }
>>        return null;
>>    }
>> }
>> Using method return, we can define localized message.
>> It is not simple, but this we can define it per  
>> locale._______________________________________________
>
>
> -- 
> Ceki Gülcü
> Logback: The reliable, generic, fast and flexible logging framework  
> for Java.
> http://logback.qos.ch
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