On Wed, 2004-04-14 at 14:44, Simon Collins wrote:
> Hi all,
>
> I was having a problem with Cocoon Forms down where I was losing the
> namespace prefix mapping declaration on the root element when I saved the
> form contents to a DOM document and then serialized that out to an XML
> file.
Note that JXPath (the XPath engine used by the binding framework)
doesn't support namespaces. I don't how it handles documents that
actually have namespaces.
>
> I've found a workaround for now but there seems to be a bug somewhere. It
> doesn't appear to be a forms related issue but rather one with
> org.apache.cocoon.xml.DOMStreamer which is used like this in my code (and
> in the Form GUI Cocoon sample):
>
> -- snip --
>
> var source = null;
> var resolver = null;
> var outputStream = null;
> try {
> resolver =
> cocoon.getComponent(Packages.org.apache.cocoon.environment.SourceResolver.ROLE);
> source = resolver.resolveURI(uri);
> var tf =
> Packages.javax.xml.transform.TransformerFactory.newInstance();
>
> if (source instanceof
> Packages.org.apache.excalibur.source.ModifiableSource
> &&
> tf.getFeature(Packages.javax.xml.transform.sax.SAXTransformerFactory.FEATURE))
> {
>
> outputStream = source.getOutputStream();
> var transformerHandler = tf.newTransformerHandler();
> var transformer = transformerHandler.getTransformer();
> transformer.setOutputProperty(Packages.javax.xml.transform.OutputKeys.INDENT,
> "true");
> transformer.setOutputProperty(Packages.javax.xml.transform.OutputKeys.METHOD,
> "xml");
> transformerHandler.setResult(new
> Packages.javax.xml.transform.stream.StreamResult(outputStream));
>
> var streamer = new
> Packages.org.apache.cocoon.xml.dom.DOMStreamer(transformerHandler);
>
> streamer.stream(document);
>
> -- snip --
>
> By default, DOMStreamer uses the NamespaceNormalizingDOMStreamer inner
> class to write out SAX events. If I turn this off with
>
> streamer.setNormalizeNamespaces(false);
>
> then it uses DefaultDOMStreamer and the document is correctly written out
> with the namespace declaration added.
>
> >From a bit of debugging it seems like NamespaceNormalizingDOMStreamer is
> spitting out the correct SAX events but for some reason they're not
> making it into to the output XML.
If you could somehow put the LogTransformer in there that would be very
helpful. Especially to compare the output of the two DOMStreamers.
--
Bruno Dumon http://outerthought.org/
Outerthought - Open Source, Java & XML Competence Support Center
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