On Wed, Jan 5, 2011 at 3:57 AM, Andreas Veithen <[email protected]>wrote:
> On Tue, Jan 4, 2011 at 09:53, Amila Suriarachchi > <[email protected]> wrote: > > hi, > > > > In order to add the inheritance support to POJO we need to find the Qname > > from the string getting from the xsi:type. > > > > here is an example > > > > String xmlString = "<ns2:addPerson > > xmlns:ns2=\"http://service.test.apache.org\";>\n" + > > " <ns2:p > > xmlns:ns1=\"http://pojo.service.test.apache.org/xsd\<http://pojo.service.test.apache.org/xsd%5C> > " > > xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\<http://www.w3.org/2001/XMLSchema-instance%5C> > " > > xsi:type=\"ns1:Employee\">\n" + > > " <ns1:name>AAA</ns1:name>\n" + > > " > > <ns1:employeeNumber>12</ns1:employeeNumber>\n" + > > " </ns2:p>\n" + > > " </ns2:addPerson>"; > > > > try { > > XMLStreamReader xmlStreamReader = > > StAXUtils.createXMLStreamReader(new > > ByteArrayInputStream(xmlString.getBytes())); > > StAXOMBuilder stAXOMBuilder = new > > StAXOMBuilder(xmlStreamReader); > > OMElement omElement = stAXOMBuilder.getDocumentElement(); > > > > OMElement pElement = omElement.getFirstElement(); > > String instanceTypeName = pElement.getAttributeValue(new > > QName("http://www.w3.org/2001/XMLSchema-instance","type";)); > > > > QName typeQName = null; > > if (instanceTypeName.indexOf(":") > -1){ > > String prefix = instanceTypeName.substring(0, > > instanceTypeName.indexOf(":")); > > for (Iterator namespaceIter = > > pElement.getAllDeclaredNamespaces(); namespaceIter.hasNext();){ > > OMNamespace omNamespace = (OMNamespace) > > namespaceIter.next(); > > if (omNamespace.getPrefix().equals(prefix)){ > > typeQName = new > QName(omNamespace.getNamespaceURI(), > > instanceTypeName.substring(instanceTypeName.indexOf(":") + 1)); > > } > > } > > > > System.out.println("Name space ==> " + > > pElement.getXMLStreamReader().getNamespaceURI(prefix)); > > System.out.println("Name space from context ==> " + > > > pElement.getXMLStreamReader().getNamespaceContext().getNamespaceURI(prefix)); > > } > > > > System.out.println("Qname from iterators ==>" + > > instanceTypeName); > > } catch (XMLStreamException e) { > > e.printStackTrace(); > > } > > > > this gives following out put. > > > > Name space ==> null > > Name space from context ==> > > Qname from iterators ==>ns1:Employee > > > > I can get the namespace by iterating through all the namespaces. > > That is not the correct algorithm to resolve a QName, because the > namespace may be declared on an ancestor of the element. OMElement has > a resolveQName method to do that correctly. > thanks Andreas, I'll use this method. thanks, Amila. > > > but name spaces are not available in stream namesapce contextes. > > That is kind of expected because the XMLStreamReader is initially on a > START_DOCUMENT event where the namespace context is still empty. > > > is there are a better way to get the namesapce without iterating? > > > > thanks, > > Amila. > > > > > > -- > > Amila Suriarachchi > > WSO2 Inc. > > blog: http://amilachinthaka.blogspot.com/ > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > -- Amila Suriarachchi WSO2 Inc. blog: http://amilachinthaka.blogspot.com/
