This is admittedly not the most critical problem, but I recently came
across this issue for schemas that had a pattern applied to a double, as
so:
> <xsd:simpleType name ="TEST">
> <xsd:restriction base="xsd:double">
> <xsd:pattern value="(\+|\-)?\d{0,8}(\.\d{0,6})?"/>
> </xsd:restriction>
> </xsd:simpleType>
When the instance passed in a number like 123456.123456, it validated
just fine, but when a larger valid number like 12345678.123456 was
passed in, the instance did not validate.
The problem has to do with scientific notation. The code turns this
input value into a double and then validates that against the facets.
To validate against the given pattern, the class DoubleValidator (which
extends PatternValidator) does this:
> if (hasPattern())
> super.validate(Double.toString(d), context);
The toString method, according to documentation, will represent any
number >10**7 or < 10**-3 in scientific notation. 12345678.123456 is
past the threshold, and will be represented in scientific notation,
which will not match the given pattern. A valid number is therefore
found to be invalid.
Lisa
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