In an XML document, an element's default namespace is inherited from it's
parent if not explicitly specified. So, using your earlier example:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<TRANSACTION TRANNAME="TRANSACTION" xmlns="
http://www.myxmlnsdefinition">
<NAME xmlns="">ASSGN_SCAN_OPER</NAME>
<VERSION xmlns="">1</VERSION>
<RECORD RECNAME="REQUEST_DATA" xmlns="">
<CKT_ID>S 50/QQQQ/44440000/SC</CKT_ID>
<TKT_ID>
<TKTTypeId>10</TKTTypeId>
<TKTTypeValue>tksValue</TKTTypeValue>
</TKT_ID>
</RECORD>
</TRANSACTION>
The NAME element needs to explicitly daclare the empty namespace using
xmlns="" because otherwise it would inherit the namespace from the
TRANSACTION element, i.e. xmlns="
http://www.myxmlnsdefinition".
On the other hand, the CKT_ID element does *not* need to declare the
namespace using xmlns="" (although it *could*) because it already inherits
this namespace from the RECORD element.
Best regards,
Robert Lowe
http://RMLowe.com/
-----Original Message-----
From: Tang, Harry [mailto:Harry.Tang_at_bellsouth.com]
Sent: Wednesday, October 22, 2003 9:06 PM
To: 'users_at_jaxb.dev.java.net'
Subject: RE: Re: xmlns="" in direct child element.
Thanks for all the suggestions as alternate to eliminate the "xmlns="" for
child level element. It is really nice to know the alternate solution. Now
I have a question arising from this, say if I set elementFormDefault as
"unqualified", why only the second level element has the null name space for
the type, i.e. xmlns="", why jaxb did not carry it through all its element
type of the schema as this format xmlns="", just to be consistent?
-----Original Message-----
From: Malachi de Aelfweald [mailto:malachid_at_temporal-wave.com]
Sent: Monday, October 20, 2003 3:48 PM
To: users_at_jaxb.dev.java.net
Subject: RE: Re: xmlns="" in direct child element.
It works quite well from my testing of it. Here's what I am doing to
help speed you along doing it yourself:
package com.temporalwave.spec;
import com.sun.xml.bind.marshaller.NamespacePrefixMapper;
import java.util.*;
public class NSPrefixMapper
extends NamespacePrefixMapper
{
HashMap mappings;
public NSPrefixMapper()
{
mappings = new HashMap();
setDefaultMappings();
}
protected void setDefaultMappings()
{
clear();
addMapping("
http://www.temporal-wave.com/spec/dynarray",
"dyn");
addMapping("
http://www.temporal-wave.com/spec/taskman",
"tm");
addMapping("
http://www.w3.org/2001/XMLSchema-instance",
"xsi");
addMapping("
http://java.sun.com/xml/ns/jaxb", "jaxb");
}
public void addMapping(String uri, String
prefix){mappings.put(uri, prefix);}
public String getMapping(String uri){return
(String)mappings.get(uri);}
public HashMap getMappings(){return mappings;}
public void clear(){mappings.clear();}
public String getPreferredPrefix(String namespaceURI, String
suggestion, boolean requirePrefix)
{
String toReturn = getMapping(namespaceURI);
if(toReturn != null)
return toReturn;
return suggestion;
}
}
-----Original Message-----
From: Kohsuke Kawaguchi [mailto:Kohsuke.Kawaguchi_at_Sun.COM]
Sent: Monday, October 20, 2003 12:33 PM
To: users_at_jaxb.dev.java.net
You could also use NamespacePrefixMapper to change how the RI assigns
prefixes. See namespace-prefix sample for details.
regards,
--
Kohsuke Kawaguchi
Sun Microsystems kohsuke.kawaguchi_at_sun.com
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