[jira] [Created] (XALANJ-2575) getAssociatedStylesheet in TransformerFactoryImpl.java throwing exception if DOCTYPE and PI to include stylesheet both exist in XML

["harsh gupta (JIRA)" <ji...@apache.org>]

harsh gupta created XALANJ-2575:
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             Summary: getAssociatedStylesheet in TransformerFactoryImpl.java throwing exception if DOCTYPE and PI to include stylesheet both exist in XML
                 Key: XALANJ-2575
                 URL: https://issues.apache.org/jira/browse/XALANJ-2575
             Project: XalanJ2
          Issue Type: Bug
      Security Level: No security risk; visible to anyone (Ordinary problems in Xalan projects.  Anybody can view the issue.)
          Components: JAXP
    Affects Versions: 2.7.1
         Environment: Windows 7 or any windows operating system
            Reporter: harsh gupta
            Assignee: Steven J. Hathaway
            Priority: Critical


Please take a look at the code of getAssociatedStylesheet(Source source, String media, String title, String charset) throws TransformerConfigurationException in src\org\apache\xalan\processor\TransformerFactoryImpl.java file:

The definition of above function is ignoring the XMLReader I've passed in as a argument through source parameter (which is essentially a SAXSource object). The above function is creating a new XMLReader after creating a new SAXParserFactory object. Because of this, the problem that we are facing is, that while parsing the input XML file, it goes on parsing the DOCTYPE section and the external DTD specified through Public ID and System ID. Now since, our XMLReader is not used to parse the XML file, the EntityResolver registered with the reader isn't used, and hence external DTD is not resolved, and therefore getAssociatedStylesheet function fails with an exception.

However, if you take a look at the other function public Templates newTemplates(Source source) throws TransformerConfigurationException in TransformerFactoryImpl class. This function specifically checks, if the source argument passed in is a SAXSource, and if it is, then if XMLReader is present in the source, then it doesn't create the new XMLReader object.



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