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Posted to dev@xalan.apache.org by bu...@apache.org on 2003/03/28 11:28:30 UTC
DO NOT REPLY [Bug 18458] New: -
Using an InputStream with "getAssociatedStylesheet()" causes IOException
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=18458
Using an InputStream with "getAssociatedStylesheet()" causes IOException
Summary: Using an InputStream with "getAssociatedStylesheet()"
causes IOException
Product: XalanJ2
Version: 2.3
Platform: PC
OS/Version: All
Status: NEW
Severity: Normal
Priority: Other
Component: org.apache.xalan.transformer
AssignedTo: xalan-dev@xml.apache.org
ReportedBy: gerry@vigorsoft.com
Using an InputStream as the Source XML along with "getAssociatedStylesheet()"
causes the transformation to fail with an IOException due to Stream closed.
This probably happens because the "getAssociatedStylesheet()" method causes the
stream to be closed at the end. This happens because the Xerces SAX Parser
Implementation seems to be closing the InputStream passed to it for parsing
(which may be good in some cases, but can cause problems when used in the
following manner).
The subsequent call to "transform(source, result)" therefore acts on a closed
source stream and throws the IOException.
Sample code:
------------
public void transform(InputStream source, OutputStream result)
{
Source style = TransformerFactory.newInstance().getAssociatedStylesheet(
source, null, null, null);
Transformer t = TransformerFactory.newInstance().newTransformer();
if(style != null){
t = TransformerFactory.newInstance().newTransformer(style);
}
t.transform(new StreamSource(source), new StreamResult(result));
}
Exception:
----------
java.io.IOException: The system cannot find the path specified
at java.io.FileInputStream.read(Native Method)
at
org.apache.xerces.impl.XMLEntityManager$RewindableInputStream.read(XMLEntityManager.java:3278)
at
org.apache.xerces.impl.XMLEntityManager.startEntity(XMLEntityManager.java:742)
at
org.apache.xerces.impl.XMLEntityManager.startDocumentEntity(XMLEntityManager.java:676)
at
org.apache.xerces.impl.XMLDocumentScannerImpl.setInputSource(XMLDocumentScannerImpl.java:252)
at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardParserConfiguration.java:499)
at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardParserConfiguration.java:581)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:147)
at
org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1157)
at
org.apache.xml.dtm.ref.DTMManagerDefault.getDTM(DTMManagerDefault.java:449)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:625)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1088)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1066)
at com.vigorsoft.xsl.XSLTHelper.transform(XSLTHelper.java:93)
at com.vigorsoft.xsl.XSLTHelper.transform(XSLTHelper.java:77)
at com.vigorsoft.xsl.XSLTHelper.main(XSLTHelper.java:104)