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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=24246
The number() function fails
Summary: The number() function fails
Product: XalanJ2
Version: 2.5
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: Major
Priority: Other
Component: org.apache.xpath
AssignedTo: xalan-dev@xml.apache.org
ReportedBy: dperezcar@fcc.es
For example if we try number(' ') (all spaces), the following happens:
public double toDouble()
{
if(m_length == 0)
return Double.NaN;
int i;
char c;
String valueString = fsb().getString(m_start,m_length);
for (i=0;i<m_length;i++)
if (!XMLCharacterRecognizer.isWhiteSpace(valueString.charAt(i)))
break;
if (valueString.charAt(i) == '-')
<---------Fails here with a StringIndexOutOfBoundsException
i++;
.....
}
An easy solution is to catch the StringIndexOutOfBoundsException and return in
that case Double.NaN.
Note: this error has been detected in version 2.5.1, but appears to be also in 2.5.2