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https://issues.apache.org/jira/browse/TRINIDAD-1360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12661139#action_12661139
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Matthias Weßendorf commented on TRINIDAD-1360:
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I think the same is true for FloatConverter as well
> error in doubleconverter
> ------------------------
>
> Key: TRINIDAD-1360
> URL: https://issues.apache.org/jira/browse/TRINIDAD-1360
> Project: MyFaces Trinidad
> Issue Type: Bug
> Components: Components
> Affects Versions: 1.2.10-core, 1.0.10-core
> Reporter: Gabrielle Crawford
>
> Doubleconverter ignores locale, so it just does this on the server
> * getAsString() --> return Double.toString(((Number)value).doubleValue());
> * getAsObject() --> return Double.valueOf(stringValue);
> On the client it does something similar to the server for getAsString.
> However on the client for getAsObject it's calling _decimalParse, which uses
> localeSymbols to parse, which means it's using locale specific formatting on
> the client to interpret the string to an object. The doubleconverter must be
> consistent, either it's using the locale to parse/format to/from a string on
> both the server and client, or it's not, but the hybrid approach it's using
> right now causes bugs.
> If I change my language to German [de] and run this
> <af:inputText label="value"
> value="#{demoInputNumberSlider.numberValue}"/>
> and then type in "4.5" and tab out, it's turning this into 45 in
> _decimalParse.
> If I type in "4,5" it's interpreting this as 4.5 on the client and not
> showing an error. However the string '4,5' will cause an error on the server,
> and should therefore cause an error on the client.
> So, if I have this, and I enter 4.5 it tells me I have an error, because it
> thinks the value is 45 and not 4.5!
> <tr:inputText value="#{clientValidation.double}" label="double converter">
> <tr:validateDoubleRange maximum="10.5" minimum="1.5"/>
> </tr:inputText>
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