Dimitrios Lagkouvardos created XMLBEANS-561:
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Summary: XPath support for namespace prefix to URI mappings
Key: XMLBEANS-561
URL:
https://issues.apache.org/jira/browse/XMLBEANS-561 Project: XMLBeans
Issue Type: Improvement
Components: XPath
Affects Versions: Version 5.0.0
Reporter: Dimitrios Lagkouvardos
5.0.0 supports Saxon and an XmlBeans xpath engine. I don't see a way to configure or supply at runtime namespace prefix to URI mappings.
*Suggestions*:
1) One solution is to enhance XmlObject.selectPath(String,XmlOptions) to use the namespaces returned by XmlOptions.getLoadAdditionalNamespaces (or perhaps add a new method if this is deemed inappropriate).
2) An alternative is to add an extension to retrieve the mappings to be passed to the xpath engine (instead of passing it on each call to selectPath).
*Note*: Adding the namespace declaration to the xpath expression as documented in [
http://xmlbeans.apache.org/guide/XPathXQuery.html] does NOT work:
```
java.lang.RuntimeException: net.sf.saxon.trans.XPathException: Namespace prefix 'table' has not been declared
at org.apache.xmlbeans.impl.xpath.saxon.SaxonXPath.selectNodes(SaxonXPath.java:128)
at org.apache.xmlbeans.impl.xpath.saxon.SaxonXPath.selectPath(SaxonXPath.java:133)
at org.apache.xmlbeans.impl.xpath.saxon.SaxonXPathEngine.next(SaxonXPathEngine.java:60)
at org.apache.xmlbeans.impl.store.Cursor._toSelection(Cursor.java:749)
at org.apache.xmlbeans.impl.store.Cursor._toNextSelection(Cursor.java:736)
at org.apache.xmlbeans.impl.store.Cursor._hasNextSelection(Cursor.java:728)
at org.apache.xmlbeans.impl.store.Cursor.syncWrapHelper(Cursor.java:2520)
at org.apache.xmlbeans.impl.store.Cursor.syncWrap(Cursor.java:2451)
at org.apache.xmlbeans.impl.store.Cursor.hasNextSelection(Cursor.java:2022)
at org.apache.xmlbeans.impl.values.XmlObjectBase.selectPath(XmlObjectBase.java:496)
```
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