Add a geronimo specific system property for controlling dom, sax, and
transformer creation
------------------------------------------------------------------------------------------
Key: GERONIMO-2224
URL: http://issues.apache.org/jira/browse/GERONIMO-2224
Project: Geronimo
Issue Type: Improvement
Security Level: public (Regular issues)
Components: core
Reporter: Dain Sundstrom
Assigned To: Dain Sundstrom
Fix For: 1.1.1, 1.2
It is common for poorly coded application to set the
javax.xml.parsers.DocumentBuilderFactory, javax.xml.parsers.SAXParserFactory,
or javax.xml.transform.TransformerFactory properties directly. If the value of
these system properties do not point to a modern xml parser such as xerces,
critical Geronimo services such as the LocalAttributeManager will stop working.
This due to only modern parsers supporting the setAttribute method on the
factory (specifically crimson throws an exception).
The attached patch redirects all call to DocumentBuilderFactory.newInstance(),
SAXParserFactory.newInstance() and TransformerFactory.newInstance() to a
Geronimo XmlUtil class. This class checks the property
geronimo.xml.parsers.DocumentBuilderFactory,
geronimo.xml.parsers.SAXParserFactory, or
geronimo.xml.transform.TransformerFactor, and if present creates that factory.
Otherwise the code simply delegates to the default newInstance implementation.
Once this patch has been committed the server can be launched with a full xml
factory declaration using the following command:
java \
-Dgeronimo.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp.DocumentBuilderFactoryImpl
\
-Dgeronimo.xml.parsers.SAXParserFactory=org.apache.xerces.jaxp.SAXParserFactoryImpl
\
-Dgeronimo.xml.transform.TransformerFactory=org.apache.xalan.processor.TransformerFactoryImpl
\
-jar bin/server.jar
* This patch includes a test case for the new functionality.
* This patch includes two new classes which must be svn added.
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