More fault tolerance in Tuscany models processors
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Key: TUSCANY-2631
URL: https://issues.apache.org/jira/browse/TUSCANY-2631
Project: Tuscany
Issue Type: Bug
Components: Java SCA Assembly Model
Affects Versions: Java-SCA-1.3
Reporter: Raymond Lai
Currently, the Contribution model's StAXProcessor doesn't tolerate Contribution
XML document that doesn't conform to the specification. For example,
<?xml version="1.0" encoding="UTF-8"?>
<contribution xmlns="http://www.osoa.org/xmlns/sca/1.0";>
<deployable composite="ns1:dfsdf" xmlns:ns1=""></deployable>
<deployable xmlns:ns1="http://temp";></deployable>
<deployable composite="ns1:aaaa" xmlns:ns1="http://temp";></deployable>
<deployable composite="ns1:dsfs" xmlns:ns1="http://temp";></deployable>
</contribution>
Note that the first <deployable> element has an empty string namespace while
the second <deployable> is missing the composite attribute. These errors will
choke the contribution StAXProcessor and its read method returns a NULL. So
that the other valid deployable composites are not read.
I think a more desirable approach to handle it is to read as much as possible
and returns a Contribution object that contains both the valid composites and
invalid composites which can be a sub-class of Composite, e.g.
InvalidComposite. Also, the StAXProcessor should be able to write back the
invalid composites.
This behaviour might be needed by other StAXProcessors as well, e.g. the
composite's.
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