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From "Andrew Zhang" <zhanghuang...@gmail.com>
Subject Re: I18N on native (was:Re: [jira] Commented: (HARMONY-815) [classlib][nio] Refine implConfigureBlocking(boolean) method of DatagramChannel and SocketChannel.)
Date Thu, 13 Jul 2006 03:44:03 GMT
On 7/13/06, Jimmy, Jing Lv <firepure@gmail.com> wrote:
> Hi:
>     I'd like to raise the topic on I18N of native code. As discussed
> about patch-815, we found there are exceptions thrown by native code
> with un-internationalized error message.

To resolve this problem, there
> may be two solutions:
> 1) make native code return error code instead of throw exceptions, and
> let Java code deal with these errors. This seems pretty good, and also
> resolve such problems like 815, but require much more effort to refactor
> all native and Java codes. What's more, as some native methods do not
> return an integer at all, we may add an output parameter to them, at
> least for network-related luni/nio, there are about 10 methods like this.

May we add an output parameter "errorCode" in each method.

2) As it is still easy for native code to call Java code, so rewrite
> error-message-lookup native method to lookup internationalized message,
> e.g., call MsgUtil.getString(). This refactor may be easy, but to
> JIRA-815 and other message-dependent Java code, it do no help. So it
> still requires other refactoring, e.g., return error code in some
> situation like suggested in (1).
> Another solution can be: catch exceptions on Java code, replace its
> message, and throw out again, this may be too ugly, so I do not suggest
> so.
> Any suggestions? Thanks!
> --
> Best Regards!
> Jimmy, Jing Lv
> China Software Development Lab, IBM
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Andrew Zhang
China Software Development Lab, IBM

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