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Posted to issues@commons.apache.org by "marc schipperheyn (JIRA)" <ji...@apache.org> on 2010/12/29 19:21:47 UTC

[jira] Created: (BEANUTILS-385) Integer NumberConverter can't handle strings that contain decimals

Integer NumberConverter can't handle strings that contain decimals
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                 Key: BEANUTILS-385
                 URL: https://issues.apache.org/jira/browse/BEANUTILS-385
             Project: Commons BeanUtils
          Issue Type: Bug
          Components: ConvertUtils & Converters
    Affects Versions: 1.8.3
            Reporter: marc schipperheyn
            Priority: Minor


We all know that Integers are not supposed to have decimals. 

However, incoming Strings that need to be converted to Integers may not adher to this given. You might get a String such as 120,00 and need to convert that to 120. The pattern matcher for NumberConverter handles string matching. So, if you provide a pattern such as #,##0.00 with a german locale, parsing this String works just fine.
However, even though the number is successfully parsed, an error is thrown because pos.getIndex() != value.length(). 

This may be intentional in order to prevent a decimal 120,50 be converted to something else without warning.

But what about the other case where you just want the conversion done and precision is irrelevant? Providing a pattern such as #,##0 doesn't work either. 

I mean *this* is the kind of thing a converter should help you with in stead of block you from



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[jira] Commented: (BEANUTILS-385) Integer NumberConverter can't handle strings that contain decimals

Posted by "Niall Pemberton (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/BEANUTILS-385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12976118#action_12976118 ] 

Niall Pemberton commented on BEANUTILS-385:
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You can create and register your own integer converter that parses decimals - except pass "true" to the super constructor to parse decimals

http://svn.apache.org/repos/asf/commons/proper/beanutils/trunk/src/main/java/org/apache/commons/beanutils/converters/IntegerConverter.java

> Integer NumberConverter can't handle strings that contain decimals
> ------------------------------------------------------------------
>
>                 Key: BEANUTILS-385
>                 URL: https://issues.apache.org/jira/browse/BEANUTILS-385
>             Project: Commons BeanUtils
>          Issue Type: Bug
>          Components: ConvertUtils & Converters
>    Affects Versions: 1.8.3
>            Reporter: marc schipperheyn
>            Priority: Minor
>
> We all know that Integers are not supposed to have decimals. 
> However, incoming Strings that need to be converted to Integers may not adher to this given. You might get a String such as 120,00 and need to convert that to 120. The pattern matcher for NumberConverter handles string matching. So, if you provide a pattern such as #,##0.00 with a german locale, parsing this String works just fine.
> However, even though the number is successfully parsed, an error is thrown because pos.getIndex() != value.length(). 
> This may be intentional in order to prevent a decimal 120,50 be converted to something else without warning.
> But what about the other case where you just want the conversion done and precision is irrelevant? Providing a pattern such as #,##0 doesn't work either. 
> I mean *this* is the kind of thing a converter should help you with in stead of block you from

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