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Date: Fri, 08 Sep 2006 13:27:02 +0800
From: Robert Hu <roberthurui@gmail.com>
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To: harmony-dev@incubator.apache.org
Subject: Re: [classlib][luni]upgrade java.lang.Character to 5.0
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Tony Wu =E5=86=99=E9=81=93:
> Hi all,
> I have looked through the java.lang.Character and found there were=20
> 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=20
> 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,=20
about some new feature of J2SE 5.0, it's important to reduce the risk of=20
changing such a core class.
The "HashMap" method may introduce more complexity and more maintenance=20
effort into Harmony development, so I think delegating to ICU4J is the=20
better choice.
The only concern is that: does the ICU4J we currently using meet our=20
need perfectly?


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