createElementNS() does not work as expected in new versions of Xerces ( > 2.0 2003-05-26 - By Sander Bos
Dear Thomas,
For the second part of the test, this is probably something in the order
in which the serializer handled things. Your code has a bug I think,
> attr = doc.createAttributeNS("http://www.w3.org/2000/xmlns/",
"xmlns");
> tag.setAttributeNodeNS(attr);
You do not actually set your namespace on the attribute as the value, so
I would put
attr.setValue(namespaceURI);
between the two lines.
(Why the first test without explicitly setting the attribute does not
work I do not know)
Kind regards,
--Sander.
> -----Original Message-----
> From: Thomas B�rkel [mailto:tbo@(protected)]
> Sent: 26 May, 2003 3:32 PM
> To: Xerces Mailinglist
> Subject: createElementNS() does not work as expected in new
> versions of
> Xerces (> 2.0.1)
>
>
> HI!
>
> We used createElementNS() in 2.0.1 successfully. Since we
> switched to newer versions (now 2.4.0), it stopped working as
> expected. We have reviewed our code and changed it as
> suggested in
> http://nagoya.apache.org/bugzilla/show_bug.cgi?idv87 with
> no positive effect.
>
> Using 2.0.1, the test code below produces:
> <root><testNode xmlns="http://schemas.p2plus.com/test/"/></root>
> <root><testNode xmlns="http://schemas.p2plus.com/test/"/></root>
>
> Using 2.4.0, the test code below produces:
> <root><testNode/></root>
> <root><testNode xmlns=""/></root>
>
> Any help would be greatly appreciated. Thanks!
>
> Regards,
> Thomas
>
>
> Test code:
> ----------
>
> import java.io.*;
> import javax.xml.parsers.*;
> import org.apache.xml.serialize.*;
> import org.w3c.dom.*;
> import org.xml.sax.*;
>
> public class NamespaceTest {
>
> public static void main(String[] args) throws Exception {
> Document doc;
> Element root, tag;
> Attr attr;
> String namespaceURI = "http://schemas.p2plus.com/test/";
> String tagName = "testNode";
>
> doc = getDocument("<root />");
> root = doc.getDocumentElement();
> tag = doc.createElementNS(namespaceURI, tagName);
> root.appendChild(tag);
> System.out.println(docToString(doc));
>
> doc = getDocument("<root />");
> root = doc.getDocumentElement();
> tag = doc.createElementNS(namespaceURI, tagName);
> attr =
> doc.createAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns");
> tag.setAttributeNodeNS(attr);
> root.appendChild(tag);
> System.out.println(docToString(doc));
> }
>
> public static Document getDocument(String xml) throws Exception {
> DocumentBuilderFactory dbf;
> DocumentBuilder db;
> Document doc;
>
> dbf = DocumentBuilderFactory.newInstance();
> dbf.setNamespaceAware(true);
> dbf.setValidating(true);
>
> dbf.setAttribute("http://apache.org/xml/features/validation/dynamic",
> new Boolean(true));
>
> dbf.setAttribute("http://apache.org/xml/features/validation/schema",
> new Boolean(true));
> db = dbf.newDocumentBuilder();
> doc = db.parse(new InputSource(new StringReader(xml)));
> return(doc);
> }
>
> public static String docToString(Document doc) throws Exception {
> OutputFormat outputFormat;
> XMLSerializer xmlSerializer;
> StringWriter sw;
>
> try {
> sw = new StringWriter();
> outputFormat = new OutputFormat();
> outputFormat.setOmitXMLDeclaration(true);
> outputFormat.setEncoding("utf-16");
> outputFormat.setPreserveSpace(true);
> xmlSerializer = new XMLSerializer(sw, outputFormat);
> xmlSerializer = new XMLSerializer(sw, outputFormat);
> xmlSerializer.serialize(doc);
> return(sw.toString());
> } catch (IOException ioe) {
> return(ioe.getMessage());
> }
> }
> }
>
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