Andreas Veithen created AXIOM-429:
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Summary: The result of OMContainer#addChild should not depend on
the state (completeness) of the parent
Key: AXIOM-429
URL: https://issues.apache.org/jira/browse/AXIOM-429
Project: Axiom
Issue Type: Bug
Components: DOOM, LLOM
Affects Versions: 1.2.13
Reporter: Andreas Veithen
Assignee: Andreas Veithen
Fix For: 1.2.14
Deferred parsing should be transparent to application code and the result (in
terms of the content of the resulting document) of an operation on an Axiom
tree should not depend on whether the tree is completely built or not. For
OMContainer#addChild, this means that the new child should always be added as
the last child. This implies that if the parent is not complete, it must be
built first. In Axiom 1.2.13 this is not the case and addChild may insert the
new child at an unexpected location. This can be demonstrated with the
following simple code:
OMElement parent = OMXMLBuilderFactory.createOMBuilder(new
StringReader("<root><a/><b/></root>")).getDocumentElement();
parent.addChild(factory.createOMElement("c", null));
The resulting document would be <root><c/><a/><b/></root> instead of the
expected <root><a/><b/><c/></root>.
Fixing this requires some larger changes because the addChild method is also
used (directly or indirectly) by the builder (which expects that the new child
is added after the last built child).
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