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https://issues.apache.org/jira/browse/JXPATH-88?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12504358
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Matt Benson commented on JXPATH-88:
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Seems harmless... the needed code to implement in RI is already there.
> Add getPrefix(String namespaceURI) to JXPathContext
> ---------------------------------------------------
>
> Key: JXPATH-88
> URL: https://issues.apache.org/jira/browse/JXPATH-88
> Project: Commons JXPath
> Issue Type: Improvement
> Affects Versions: 1.2 Final
> Reporter: Sergey Vladimirov
> Priority: Minor
>
> There is function getNamespaceURI(String prefix), but there is no inverted
> one.
> Need this in following case:
> - reading XML
> - check, if prefix for particular namespace is defined (using getPrefix)
> - if defined - using prefix, specified in XML
> - if not defined - define prefix and using it
> Usual way - to define prefix always - is not good, since prefix can already
> be used in XML file with another namespace.
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