closeStartTag() in ToHTMLSAXHandler does not pass localName or namespace to the
ContentHandler. Results in ValidationException in Apache FOP.
----------------------------------------------------------------------------------------------------------------------------------------------
Key: XALANJ-2323
URL: http://issues.apache.org/jira/browse/XALANJ-2323
Project: XalanJ2
Issue Type: Bug
Components: Serialization
Affects Versions: 2.7
Environment: All environments
Reporter: Chad W. Gill
In ToHTMLSAXHandler the closeStartTag() incorrectly passes EmptyString to
namespace and ElementName to localName of the ContentHandler.
>From org.apache.xml.serializer.ToHTMLSAXHandler :
protected void closeStartTag() throws SAXException
{
m_elemContext.m_startTagOpen = false;
// Now is time to send the startElement event
m_saxHandler.startElement(
EMPTYSTRING, <<<<
Should this be m_elementURI ?
m_elemContext.m_elementName, <<<< Should this be
m_elementLocalName ?
m_elemContext.m_elementName,
m_attributes);
m_attributes.clear();
}
This results in a ValidationException being thrown by Apache FOP
DefaultHandler's startElement(). In this case, the namespace = "" (should be
"http://www.w3.org/1999/XSL/Format";) and the localName = "fo:root" (should be
"root")
>From org.apache.fop.fo.FOTreeBuilder:
public void startElement(String namespaceURI, String localName, String
rawName,
Attributes attlist) throws SAXException {
/* the node found in the FO document */
FONode foNode;
PropertyList propertyList = null;
// Check to ensure first node encountered is an fo:root
if (rootFObj == null) {
if (!namespaceURI.equals(FOElementMapping.URI)
|| !localName.equals("root")) {
throw new ValidationException(
"Error: First element must be the fo:root formatting
object. "
+ "Found " + FONode.getNodeString(namespaceURI,
localName)
+ " instead."
+ " Please make sure you're producing a valid XSL-FO
document.");
}.......
This exception will untimately produce the following message:
javax.xml.transform.TransformerException: java.lang.IllegalStateException:
endElement() called for fo:root where there is no current element.
------- Here is a workaround -----------------
In XALAN, the decision to use ToHTMLSAXHandler is made if the following is in
the xslt file: <xsl:output version="1.0" method="html" encoding="UTF-8"
indent="no"/>. If you change the method="html" to method="xml", XALAN will
use ToXMLSAXHandler instead (which will correctly pass namespace and localName).
FYI, The FO XSLT that I'm using was produced by Altova Stylevision.
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