XWorkBasicConverter with BigDecimal; trim input as in extended class:
DefaultTypeConverter
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Key: WW-3732
URL: https://issues.apache.org/jira/browse/WW-3732
Project: Struts 2
Issue Type: Bug
Reporter: Kevin Biesbrock
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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