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https://issues.apache.org/jira/browse/AXIOM-398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Veithen resolved AXIOM-398.
-----------------------------------
Resolution: Fixed
> Return value of OMNamedInformationItem#getNamespace() should be normalized
> --------------------------------------------------------------------------
>
> Key: AXIOM-398
> URL: https://issues.apache.org/jira/browse/AXIOM-398
> Project: Axiom
> Issue Type: Bug
> Components: API
> Affects Versions: 1.2.12
> Reporter: Andreas Veithen
> Assignee: Andreas Veithen
> Priority: Minor
> Fix For: 1.2.13
>
>
> For elements and attributes without namespace, getNamespace() may return two
> different values: null or an OMNamespace instances that has both prefix and
> namespaceURI properties set to the empty string. The value that is actually
> returned in this case depends in subtle ways on how the information item was
> created. This can be illustrated by the following code snippet:
> OMElement element1 = AXIOMUtil.stringToOM("<root/>");
> System.out.println(element1.getNamespace());
> OMElement element2 = AXIOMUtil.stringToOM("<root xmlns=''/>");
> System.out.println(element2.getNamespace());
> The output is:
> null
> org.apache.axiom.om.impl.common.OMNamespaceImpl@0
> One can see that although the two elements are equivalent, the return value
> of getNamespace() is different.
> The return value of getNamespace() should be normalized such that it is
> always the same (i.e. null) for information items without namespace.
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