OMStAXWrapper.getProperty needs to propagate the call to the parser.
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Key: WSCOMMONS-220
URL: https://issues.apache.org/jira/browse/WSCOMMONS-220
Project: WS-Commons
Issue Type: Bug
Components: AXIOM
Reporter: Rich Scheuerle
Assignee: Rich Scheuerle
This patch is submitted by Lizet Ernand and Rich Scheuerle.
Lizet Ernand is an IBM Web Services developer whose responsibilities include
JAXB marshalling,
StAX processing and JAX-RPC/JAX-WS tooling. She has over 5 years experience in
Web Service Development.
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Description of Changes:
Correct OMStAXWrapper.getProperty(String s)
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According to the StAX specification, the getProperty(s) method should return
the requested property from the parser.
The patch contains a simple change to delegate this method to the underlying
parser.
Use Case:
a) The JAXB unmarshalling code calls getProperty on the XMLStreamReader.
b) The actual XMLStreamReader is an OMStAXWrapper supplied by Axiom.
c) The OMStAXWrapper should delegate the getProperty call to the underlying
parser (if one exists).
Track of Parser Closure State
-----------------------------
Unfortuanately, the StAX specification does not provide an isClosed() method on
the XMLStreamReader.
However, we can easily track this information in the StAXBuilder and
OMStAXWrapper.
Use Case:
Some methods on the parser are not available when the parser is closed.
Knowing the closure state can
help in these situations.
Release Parser On Close
-----------------------
Currently the StAXBuilder and OMStAXWrapper never relinquish the parser object.
Thus the Axiom tree maintains a
reference to the parser long after it is needed.
Depending on the parser implementation, this can cause out of memory
situations.
Code is added to support "releaseParserOnClose". When this setting is in
effect, the parser object will be freed
during on close.
The default for "releaseParserOnClose" is the current behavior.
==================================
The patch only affects StAXBuilder and OMStAXWrapper. A test is modified to
validate the changes.
I am submitting the patch, and will commit it this afternoon.
Thanks,
Rich
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