Groups > comp.lang.java.programmer > #6621

Re: java.net.IDN jar for JDK 1.5?

Date	2011-07-27 19:29 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: java.net.IDN jar for JDK 1.5?
References	<j0m4k8$4kk$1@news.albasani.net> <4e2f3f6c$0$302$14726298@news.sunsite.dk> <j0of8d$dj5$1@news.albasani.net>
Message-ID	<4e309f62$0$304$14726298@news.sunsite.dk> (permalink)
Organization	SunSITE.dk - Supporting Open source

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On 7/27/2011 3:37 AM, Jan Burse wrote:
> Arne Vajhøj schrieb:
>> On 7/26/2011 6:24 AM, Jan Burse wrote:
>>> Just noticed that JDK 1.6 has the new class java.net.IDN,
>>> which provides Namerep and Punycode.
>>>
>>> Any .jar file around that can be used to add this
>>> functionality (this class) to JDK 1.5?
>>
>> GNU libidn has a Java implementation.

> http://www.gnu.org/software/libidn/
> They write: A native Java and C# port is included.
>
> Does it mean the Java lib just calls C? Or is
> it a pure Java implementation? I am thinking
> about bundling the jar with an applet, so when
> it uses some native component then it would be
> problematic.

I assume that native Java means pure Java.

> There is indeed some sun lib which has for
> example Punycode:
>
> package sun.net.idn;
> public final class Punycode;
>
> But using such libraries does not work,
> because for example an Oracle applet does bar
> the package sun.* from use in an applet. One will
> get an exception. Which makes sense, since different
> applet provides might have different internal
> libraries.
>
> I guess sun.net.idn is old, judging from the change log:
> http://www.docjar.com/html/api/sun/net/idn/Punycode.java.html
>
> Maybe there is a com.ibm.icu jar?

I still think libidn is your best option.

Arne

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java.net.IDN jar for JDK 1.5? Jan Burse <janburse@fastmail.fm> - 2011-07-26 12:24 +0200
  Re: java.net.IDN jar for JDK 1.5? lewbloch <lewbloch@gmail.com> - 2011-07-26 14:28 -0700
    Re: java.net.IDN jar for JDK 1.5? Jan Burse <janburse@fastmail.fm> - 2011-07-26 23:33 +0200
  Re: java.net.IDN jar for JDK 1.5? Arne Vajhøj <arne@vajhoej.dk> - 2011-07-26 18:27 -0400
    Re: java.net.IDN jar for JDK 1.5? Jan Burse <janburse@fastmail.fm> - 2011-07-27 09:37 +0200
      Re: java.net.IDN jar for JDK 1.5? Arne Vajhøj <arne@vajhoej.dk> - 2011-07-27 19:29 -0400

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