Re: [icu-design] ICU4J API proposal: normalize to an Appendable

[<yos...@us...>]

Right.  That's one option.  We could wrap IOException by ICU's own 
exception extending RunTimeException.  If we want to take this approach, 
we should document this as well (not in the method signature).

-Yoshito

Mark Davis ☕ <ma...@ma...> wrote on 01/27/2010 01:29:30 PM:

> We don't have to propagate it as an IO exception. What I do in other
> cases is to catch any exception, and throw an ICU exception with the
> original as a cause.
> 
> (The Java non-runtime exceptions are just a pain -- I see no value 
> to them since you can always get runtime exceptions anyway.)
> 
> Mark
> 

> On Wed, Jan 27, 2010 at 10:31, <yos...@us...> wrote:
> I'm wondering how we want to handle IOException in this case.
> Once we extend the API to support Appendable, such method should 
propagate
> IOException which might be thrown by Appendable implementation classes,
> such as OutputStreamWriter, CharBuffer etc..  So I think the method 
should
> "throws IOException" in its method signature.
> 
> -Yoshito
> 
> Markus Scherer <mar...@gm...> wrote on 01/27/2010 01:04:30 PM:
> 
> > Dear ICU team & users,
> >
> > I would like to propose a new overload of the new (@draft ICU 4.4)
> > Normalizer2.normalize() methods, one that writes to an Appendable
> > rather than a StringBuilder. I think I managed to support that
> > reasonably, although it is slightly slower than writing to a
> StringBuilder.
> >
> > Given that we are past the API Freeze milestone, I expect that this
> > will be an ICU 4.6 API addition. If you think this is appropriate
> > and useful to have in ICU 4.4 (as draft API of course), then please
> > speak up and the ICU team may discuss it.
> >
> > I currently have it checked in as @internal.
> > (And note that I am only half done porting the new normalization
> > code to Java.)
> >
> >     /**
> >      * Writes the normalized form of the source string to the
> > destination Appendable
> >      * and returns the destination Appendable.
> >      * The source and destination strings must be different objects.
> >      * @param src source string
> >      * @param dest destination Appendable; gets normalized src 
appended
> >      * @return dest
> >      * @internal ICU 4.4 TODO: propose for 4.6
> >      * @provisional This API might change or be removed in a future
> release.
> >      */
> >     public abstract Appendable normalize(CharSequence src, Appendable
> dest);
> >
> > Best regards,
> > markus
> >
> 
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