Namespace prefix in created DOM document string

Hello world,
I am creating a DOM document using the standard JAXP APIs. The document is not parsed from anywhere, just created using the DOM API factory methods. This document is a SOAP message with the SOAP envelope, header and body elements. Now I need to have this document transformed to an XML string.
I can manage all this. However, I want to have the SOAP namespace set for the SOAP elements, and I want it set using a prefix (such as "SOAP-ENV" or "env" as in the example below). I have set the envelope, header and body element namespaces to the soap namespace. The rest of the elements inside header and body I have set to null namespace. I want them without any prefix (and what namespace will that be then, default?).
The problem is, when I transform the document to a string, the namespace is set on the envelope without a prefix, and not on the header or body. I guess this is because the child elements will all inherit the namespace? I tried with xalan and saxon.
Here is an example of output that would look like what I want:
<env:Envelope xmlns:env="http://www.w3.org/2002/12/soap-envelope">
<env:Header>
<foo>hello</foo>
</env:Header>
<env:Body>
<bar>is open</bar>
</env:Body>
</env:Envelope>Here is an example of output that looks like what I got:
<Envelope xmlns="http://www.w3.org/2002/12/soap-envelope">
<Header>
<foo>hello</foo>
</Header>
<Body>
<bar>is open</bar>
</body>
</Envelope>So so what am I doing wrong, how should I do it? If my rambling makes no sense, even an example of constructing output like the example of what I want would solve this.. :)
Thanks,

You could just create the an attribute like this:
root.setAttribute("xmlns:env", "http://www.w3.org/2002/12/soap-envelope"); where root is the Envelope element.
Hello world,
I am creating a DOM document using the standard JAXP
APIs. The document is not parsed from anywhere, just
created using the DOM API factory methods. This
document is a SOAP message with the SOAP envelope,
header and body elements. Now I need to have this
document transformed to an XML string.
I can manage all this. However, I want to have the
SOAP namespace set for the SOAP elements, and I want
it set using a prefix (such as "SOAP-ENV" or "env" as
in the example below). I have set the envelope,
header and body element namespaces to the soap
namespace. The rest of the elements inside header and
body I have set to null namespace. I want them
without any prefix (and what namespace will that be
then, default?).
The problem is, when I transform the document to a
string, the namespace is set on the envelope without
a prefix, and not on the header or body. I guess this
is because the child elements will all inherit the
namespace? I tried with xalan and saxon.
Here is an example of output that would look like
what I want:
<env:Envelope
xmlns:env="http://www.w3.org/2002/12/soap-envelope">
<env:Header>
<foo>hello</foo>
</env:Header>
<env:Body>
<bar>is open</bar>
</env:Body>
</env:Envelope>Here is an example of output that looks like what I
got:
<Envelope
xmlns="http://www.w3.org/2002/12/soap-envelope">
<Header>
<foo>hello</foo>
</Header>
<Body>
<bar>is open</bar>
</body>
</Envelope>So so what am I doing wrong, how should I do it? If my
rambling makes no sense, even an example of
constructing output like the example of what I want
would solve this.. :)
Thanks,

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