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https://issues.apache.org/jira/browse/XALANJ-2750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mukul Gandhi resolved XALANJ-2750.
----------------------------------
Resolution: Fixed
I'm resolving this jira issue as fixed. The fix for this has been committed to
Xalan-J dev repos branch xalan-j_xslt3.0.
> java.lang.ClassCastException: org.apache.xpath.objects.XNodeSet cannot be
> cast to org.apache.xpath.objects.XPathMap when processing XDM array
> containing XDM maps
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: XALANJ-2750
> URL: https://issues.apache.org/jira/browse/XALANJ-2750
> Project: XalanJ2
> Issue Type: Bug
> Security Level: No security risk; visible to anyone(Ordinary problems in
> Xalan projects. Anybody can view the issue.)
> Components: Xalan, Xalan-CmdLine
> Affects Versions: The Latest Development Code
> Environment: Windows 11, Java 8
> Reporter: Martin Honnen
> Assignee: Mukul Gandhi
> Priority: Major
> Attachments: json-doc-input-sample1.xml, process-xdm-array-test1.xsl
>
>
> This is a bug report against the XSLT 3 development branch of Apache Xalan.
> I have tried to use the recently implemented json-doc XPath 3.1 function but
> the following code to process a JSON document being an array of objects
> (which in XDM 3.1 should be an array of maps) results in an error
> java.lang.ClassCastException: org.apache.xpath.objects.XNodeSet cannot be
> cast to org.apache.xpath.objects.XPathMap.
>
> With Saxon HE 12 it outputs e.g.
> {code:java}
> <tags>
> <tag>og:POP2018</tag>
> <tag>og:LHW1910</tag>
> <tag>og:WHI2010</tag>
> <tag>og:WHI2016</tag>
> <tag>og:RHY1908</tag>
> <tag>og:POW1994</tag>
> <tag>og:WIN1850</tag>
> <tag>og:RON2009</tag>
> <tag>og:MAC1897</tag>
> <tag>og:MAC1930</tag>
> <!-- snipped here -->
> </tags>{code}
>
> Running the XSLT shown below against an XML input as e.g.
> {code:java}
> <root>
> <url>https://api.zotero.org/groups/4625439/tags</url>
> </root>{code}
> shows the cited error with Xalan
>
> {code:java}
> <?xml version="1.0" encoding="utf-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> version="3.0"
> xmlns:xs="http://www.w3.org/2001/XMLSchema";
> xmlns:map="http://www.w3.org/2005/xpath-functions/map";
> xmlns:array="http://www.w3.org/2005/xpath-functions/array";
> exclude-result-prefixes="xs map array">
> <xsl:output method="xml" indent="yes"/>
> <xsl:template match="url">
> <tags>
> <xsl:variable name="xdm-array" select="json-doc(.)"/>
> <xsl:for-each select="for $pos in (1 to array:size($xdm-array)) return
> array:get($xdm-array, $pos)">
> <tag>
> <xsl:value-of select="map:get(., 'tag')"/>
> </tag>
> </xsl:for-each>
> </tags>
> <xsl:comment>Run with <xsl:value-of
> select="system-property('xsl:vendor')"/> at <xsl:value-of
> select="current-dateTime()"/></xsl:comment>
> </xsl:template>
> </xsl:stylesheet>
> {code}
>
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