trying to serialize an in memory dom, but do not see a default namespaces in the output

[Bill Riegel <BR...@lgc.com>]

Using the following code to serialize the dom to an XMl file. 
 
import org.apache.xml.serialize.XMLSerializer;
import org.apache.xml.serialize.OutputFormat;
import org.w3c.dom.Document;
 
      OutputFormat format = new OutputFormat(_document);
      format.setMethod("xml");
      format.setLineSeparator(AdtConstants.CR);
      format.setIndenting(true);
      format.setLineWidth(0);             
      format.setPreserveSpace(true);
      XMLSerializer serializer = new XMLSerializer (
          new FileWriter(fileName), format);
      serializer.asDOMSerializer();
      serializer.serialize(_document);
 
Is there a trick to have the XMLSerializer or OutputFormat show
namespaces in the output ??
 
I have looked at the rootElement, it has a namespace uri , with no
prefix. 
 
Partial output is 
 
<?xml version="1.0" encoding="UTF-8"?>
<DataSet>
            <BlockFlush>
                        <WellEntireData>
                                    <WellEntire>
                                                <Attributes>
 
<wellid>1</wellid>
 
<uwi>177090037300</uwi>
 
<wellUwiType>API</wellUwiType>
 
<commonWellName>A001</commonWellName>
 
<wellOperator>
 
</wellOperator>
 
<wellName>00047</wellName>
 
<wellNumber>A-1</wellNumber>
                                                            <xCoordinate
units="feet">-3.349124657968917E7</xCoordinate>
                                                            <yCoordinate
units="feet">1.102703719652455E7</yCoordinate>
 
 
expect to see
 
<DataSet xmlns="someNameSpace">
            <BlockFlush>
                        <WellEntireData>
                                    <WellEntire>
                                                <Attributes>
 
<wellid>1</wellid>
 
<uwi>177090037300</uwi>
 
<wellUwiType>API</wellUwiType>
 
<commonWellName>A001</commonWellName>
 
<wellOperator>
 
</wellOperator>
 
<wellName>00047</wellName>
 
<wellNumber>A-1</wellNumber>
                                                            <xCoordinate
units="feet">-3.349124657968917E7</xCoordinate>
                                                            <yCoordinate
units="feet">1.102703719652455E7</yCoordinate>
 
Bill Riegel
LandMark Graphics
713-839-3388
 

Re: trying to serialize an in memory dom, but do not see a default namespaces in the output

[Simon Kitching <si...@ecnetwork.co.nz>]

On Sat, 2004-09-18 at 04:51, Bill Riegel wrote:

>  
> 
> expect to see
> 
>  
> 
> <DataSet xmlns="someNameSpace">
> 

You need to explicitly add xmlns declarations to the DOM you are
building as well as creating the elements in the correct namespace.

Yes this is somewhat clumsy; DOM level 3 has some features that improve
the situation somewhat but with DOM level 2 you definitely need to do
the following to force an "xmlns:msg=...." declaration to be output on
the <foo> tag. I expect some variant of this can be used to output a
"default namespace" declaration, ie "xmlns=....".

   // NS_MYMSG = "http://www.acme.com/namespaces/mymessage";
   // NS_XMLNS="http://www.w3.org/2000/xmlns/";
   Element foo = doc.createElementNS(NS_MYMSG, "msg:foo");
   foo.setAttributeNS(NS_XMLNS, "xmlns:msg", NS_MYMSG);


I suggest you search the mail archives for "serialization". There were
two email threads on this topic just last week.

Regards,

Simon


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