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From "Richard Liang" <richard.lian...@gmail.com>
Subject Re: [classlib][luni]upgrade java.lang.Character to 5.0
Date Fri, 08 Sep 2006 05:42:05 GMT
On 9/8/06, Robert Hu <roberthurui@gmail.com> wrote:
> Tony Wu 写道:
> > Hi all,
> > I have looked through the java.lang.Character and found there were
> > several
> > methods missing in Harmony. I'll try to implement these methods if no one
> > objects :)
> > All of these methods are coming with Supplementary Character Support of
> > Tiger. That is, we should handle the character whose code point is after
> > U+FFFF in our code.
> > After doing some research, I found there're two ways to achieve:
> > 1.Maintain a HashMap contains the information of supplementary
> > character and
> > retrieve from it when these methods were invoked.
> > 2.Delegate these methods to ICU4J, which provides extensions to the
> > java.lang.Character class.
> >
> > What's your opinion? Any suggestion are welcome :)
> This task is to update current implementation of java.lang.Character,
> about some new feature of J2SE 5.0, it's important to reduce the risk of
> changing such a core class.
> The "HashMap" method may introduce more complexity and more maintenance
> effort into Harmony development, so I think delegating to ICU4J is the
> better choice.
> The only concern is that: does the ICU4J we currently using meet our
> need perfectly?

IMHO, the icu4j_3.4.4 which supports Unicode 4.1 will meet our requirement.

Best regards,
Richard

>
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-- 
Richard Liang
China Software Development Lab, IBM

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