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From "Maurizio Cucchiara (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-3732) XWorkBasicConverter with BigDecimal; trim input as in extended class: DefaultTypeConverter
Date Sat, 08 Jun 2013 19:30:20 GMT

    [ https://issues.apache.org/jira/browse/WW-3732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13678825#comment-13678825
] 

Maurizio Cucchiara commented on WW-3732:
----------------------------------------

Is it still an issue?

IIUC now it works:

{code:java}
public class DefaultTypeConverterTest {
    @Test
    public void testBigIntValue() throws Exception {
        BigInteger b = DefaultTypeConverter.bigIntValue(" 123");
        assertEquals(BigInteger.valueOf(123), b);
    }
}
{code}
                
> XWorkBasicConverter with BigDecimal; trim input as in extended class: DefaultTypeConverter
> ------------------------------------------------------------------------------------------
>
>                 Key: WW-3732
>                 URL: https://issues.apache.org/jira/browse/WW-3732
>             Project: Struts 2
>          Issue Type: Bug
>            Reporter: Kevin Biesbrock
>             Fix For: 2.3.16
>
>
> When a value for a parameter of type `BigDecimal` is converted by `XWorkBasicConverter`
(this is default Struts2 behavior), a failure occurs when there is a space in the value. The
parent to `XWorkBasicConverter`, `DefaultTypeConverter`, has a `stringValue` method that could
could be used instead of immediately casting to a String, e.g., `new BigDecimal((String) value)`,
which is what ultimately appears to cause a `NumberFormatException` to be thrown from the
`BigDecimal` constructor when there is a space in the value.
> For example, in version 2.2.3.1, the following lines could be changed as indicated:
>   403: return new BigDecimal(stringValue(value, true));
>   405: return new BigInteger(stringValue(value, true));
>   408: String stringValue = stringValue(value, true);
>   414: String stringValue = stringValue(value, true);
> In fact, at the end of the doConvertToNumber method (where the previous lines reside),
as a catch-all, the parameters are passed to the DefaultTypeConverter's `convertValue` method
which calls the `bigDecValue` method which calls the `stringValue` method (when all the conditionals
align).

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