Subject: [xsl] Namespace'd XPath expression in Java From: "Mohsen Saboorian" <mohsens@xxxxxxxxx> Date: Thu, 5 Apr 2007 15:58:24 +0330 |
I have the following peace of code which works fine in IE 6, but returns nothing with Java 5.
My XML (actually an XSD): ______________________________ <?xml-stylesheet type="text/xsl" href="rpt-xsd-transformer.xsl"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"> <xs:element name="nnn" msdata:IsDataSet="true"> <xs:complexType> <xs:choice maxOccurs="unbounded"> <xs:element name="testElement"> <xs:complexType> <xs:sequence> <xs:element name="name" type="xs:string" /> <xs:element name="group" type="xs:string" minOccurs="0" /> <xs:element name="faculty" type="xs:string" minOccurs="0" />
..... ______________________________
Here is my Java code: ______________________________ // load XSD DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder docBuilder = dbf.newDocumentBuilder(); Document xsdDoc = docBuilder.parse("path to my xsd");
// eval XPath XPath xpath = XPathFactory.newInstance().newXPath(); xpath.setNamespaceContext(new MyNamespaceContext()); System.out.println(xpath.evaluate("count(//xs:element)", xsdDoc.getDocumentElement())); ______________________________
______________________________ public class MyNamespaceContext implements NamespaceContext { public String getNamespaceURI(String prefix) { if ("xs".equals(prefix)) { return "http://www.w3.org/2001/XMLSchema"; } else if ("msdata".equals(prefix)) { return "urn:schemas-microsoft-com:xml-msdata"; }
return XMLConstants.NULL_NS_URI; }
public String getPrefix(String namespaceURI) { if ("http://www.w3.org/2001/XMLSchema".equals(namespaceURI)) { return "xs"; } else if ("urn:schemas-microsoft-com:xml-msdata".equals(namespaceURI)) { return "msdata"; }
return XMLConstants.DEFAULT_NS_PREFIX; }
public Iterator<String> getPrefixes(String namespaceURI) { List<String> uris = new ArrayList<String>(); uris.add(getPrefix(namespaceURI)); return uris.iterator(); } } ______________________________
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