[ http://issues.apache.org/jira/browse/XALANJ-2034?page=history ]
Henry Zongaro resolved XALANJ-2034:
-----------------------------------
Resolution: Invalid
As Dave indicates, Xalan-J is functioning correctly. The value will be
converted to a number implicitly through the XPath number function, the
description of which reads as follows:[1]
<<
a string that consists of optional whitespace followed by an optional minus
sign followed by a Number followed by whitespace is converted to the IEEE 754
number that is nearest (according to the IEEE 754 round-to-nearest rule) to the
mathematical value represented by the string; any other string is converted to
NaN
>>
A Number is a string of digits and at most one decimal point. No plus sign is
permitted.
[1] http://www.w3.org/TR/xpath#section-Number-Functions
> Numbers with a '+' sign is incorrectly passed to an extension funcion as NaN
> ----------------------------------------------------------------------------
>
> Key: XALANJ-2034
> URL: http://issues.apache.org/jira/browse/XALANJ-2034
> Project: XalanJ2
> Type: Bug
> Components: Xalan
> Versions: 2.6
> Environment: Windows 2000
> Reporter: Mahesh N
>
> If the input number contains a number preceeded by a '+' the processor passes
> a value 'Nan' to the extension function. The output is as shown below
> --- output ---
> TransformerFactory is [EMAIL PROTECTED]
> Xalan version is Xalan Java 2.6.0
> Transformer is [EMAIL PROTECTED]
> <?xml version="1.0" encoding="UTF-8"?>
> <Number xmlns:test="mypackage1.BugTest"> The number is - NaN</Number>
> --- end output ---
> The source to reproduce this problem is as below.
> --- BugTest.java ----------
> package mypackage1;
> import javax.xml.transform.Transformer;
> import javax.xml.transform.TransformerFactory;
> import javax.xml.transform.stream.StreamResult;
> import javax.xml.transform.stream.StreamSource;
> import org.apache.xalan.Version;
> public class BugTest
> {
> static String XSL_FILENAME = "XalanBug.xsl";
> static String XML_FILENAME = "XalanBug.xml";
> public static void main(String[] args)
> throws Exception
> {
> TransformerFactory tFactory = TransformerFactory.newInstance();
> System.out.println("TransformerFactory is "+tFactory);
> System.out.println("Xalan version is "+Version.getVersion());
> Transformer transformer = tFactory.newTransformer(new
> StreamSource(XSL_FILENAME));
> System.out.println("Transformer is "+transformer);
> transformer.transform(new StreamSource(XML_FILENAME), new
> StreamResult(System.out));
> }
>
> public static String checkValue(double value)
> {
> if(value > 15)
> return "15.0";
> else
> return ""+value;
> }
> }
> ---- End BugTest.java -----
> ----- XalanBug.xml -----
> <?xml version='1.0' encoding='windows-1252'?>
> <Numbers>
> <Number>+45</Number>
> </Numbers>
> ----- End XalanBug.xml ----
> ----- XalanBug.xsl -----
> <?xml version='1.0' encoding='windows-1252'?>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:test="mypackage1.BugTest">
> <!-- Root template -->
> <xsl:template match="/">
> <Number> The number is - <xsl:value-of
> select="test:checkValue(/Numbers/Number)"/>
> </Number>
> </xsl:template>
> </xsl:stylesheet>
> ----- End XalanBug.xsl -----
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