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From "Luc Vanlerberghe (JIRA)" <>
Subject [jira] [Updated] (LUCENENET-493) Make culture insensitive (like the java version)
Date Thu, 31 May 2012 13:32:23 GMT


Luc Vanlerberghe updated LUCENENET-493:

    Attachment: Lucenenet-493.patch

Makes locale/culture independent (like the java version).
Solves a few testcases that fail when run on a machine with a non-US culture.
> Make culture insensitive (like the java version)
> -----------------------------------------------------------
>                 Key: LUCENENET-493
>                 URL:
>             Project: Lucene.Net
>          Issue Type: Bug
>          Components: Lucene.Net Core, Lucene.Net Test
>    Affects Versions: Lucene.Net 3.0.3
>            Reporter: Luc Vanlerberghe
>              Labels: patch
>             Fix For: Lucene.Net 3.0.3
>         Attachments: Lucenenet-493.patch
> In Java, conversion of the basic types to and from strings is locale (culture) independent.
For localized input/output one needs to use the classes in the java.text package.
> In .Net, conversion of the basic types to and from strings depends on the default Culture.
 Otherwise you have to specify CultureInfo.InvariantCulture explicitly.
> Some of the testcases in fail if they are not run on a machine with culture
set to US.
> In the current version of there are patches here and there that try to correct
for some specific cases by using string replacement (like  System.Double.Parse(s.Replace(".",
CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator)), but that seems really ugly.
> I submit a patch here that removes the old workarounds and replaces them by calls to
classes in the Lucene.Net.Support namespace that try to handle the conversions in a compatible

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