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How to copy element between different namespaces?

I want to copy elements from one namespace to anothor, how to create the
xslt?

for example, the source data is:
<s:mail xmlns:s="urn:so urce-namespace">
<s:subject>xxxx </s:subject>
<s:from>xxxx</s:from>
<s:to>xxxx</s:to>
<s:content>
<![CDATA[xxxxxxxxx]]>
</s:content>
</s:mail>

I want to copy mail element to the target namespace，lik e this:
<t:mydata xmlns:t="urn:ta rget-namespace"
<t:mail>
<t:subject>xxxx </t:subject>
<t:from>xxxx</t:from>
<t:to>xxxx</s:to>
<t:content>
<![CDATA[xxxxxxxxx]]>
</t:content>
</t:mail>
<t:mydata>
Nov 12 '05 #1
8 1460
Knighterrant wrote:
I want to copy elements from one namespace to anothor, how to create the
xslt?


You have to recreate elements, namespace cannot be changed:

<xsl:styleshe et version="1.0"
xmlns:xsl="http ://www.w3.org/1999/XSL/Transform"
xmlns:s="urn:so urce-namespace">
<xsl:template match="@*|node( )">
<xsl:copy>
<xsl:apply-templates select="@*|node ()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="s:*">
<xsl:element name="t:{local-name()}" namespace="urn: target-namespace">
<xsl:apply-templates select="@*|node ()"/>
</xsl:element>
</xsl:template>
</xsl:stylesheet>

--
Oleg Tkachenko [XML MVP, MCAD]
http://www.xmllab.net
http://blog.tkachenko.com
Nov 12 '05 #2
Hi, Oleg Tkachenko!

*** Thanks for you help!

*** I've tried the method you told me, it works! but there is still a problem need you help.

my source xml file is like this:
&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;s:root xmlns:s="urn:so urce-namespace"&gt;
*** &lt;s:mail&g t;
*** ** &lt;s:subject&g t;xxxx&lt;/s:subject&gt;
*** ** &lt;s:from&gt;x xxx&lt;/s:from&gt;
*** ** &lt;s:to&gt;xxx x&lt;/s:to&gt;
*** ** &lt;s:content&g t;
*** ** &lt;![CDATA[xxxxxxxxx]]&gt;
*** ** &lt;/s:content&gt;
*** &lt;/s:mail&gt;
&lt;/s:root&gt;

my transform file:
&lt;?xml version="1.0" encoding="utf-8"?&gt;

&lt;xsl:stylesh eet version="1.0"
*** *** xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
*** *** xmlns:s="urn:so urce-namespace"
*** *** xmlns="urn:targ et-namespace"&gt;

*** &lt;xsl:templat e match="/"&gt;
*** *** &lt;xsl:elem ent name="newmails" &gt;
*** *** *** &lt;xsl:appl y-templates select="//s:mail" /&gt;
*** *** &lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;

*** &lt;xsl:templat e match="s:mail"& gt;
*** *** &lt;xsl:elem ent name="newmail"& gt;
*** *** *** &lt;xsl:copy&gt ;
*** *** *** *** &lt;xsl:appl y-templates select="*"/&gt;
*** *** *** &lt;/xsl:copy&gt;
*** *** &lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;
***
*** &lt;xsl:templat e match="s:*"&gt;
*** *** &lt;xsl:elem ent name="{local-name()}" namespace="urn: target-namespace"&gt;
*** *** *** &lt;xsl:appl y-templates select="@*|node ()"/&gt;
*** *** &lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;
***
&lt;/xsl:stylesheet& gt;

the result is:
&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;newmails xmlns="urn:targ et-namespace"&gt;
*** &lt;newmail& gt;
*** *** &lt;s:mail xmlns:s="urn:so urce-namespace"&gt;
*** *** *** &lt;subject&gt; xxxx&lt;/subject&gt;
*** *** *** &lt;from&gt;xxx x&lt;/from&gt;
*** *** *** &lt;to&gt;xxxx& lt;/to&gt;
*** *** *** &lt;content&gt; xxxxxxxxx&lt;/content&gt;
*** *** &lt;/s:mail&gt;
*** &lt;/newmail&gt;
&lt;/newmails&gt;

BUT the result I hoped is:
&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;newmails xmlns="urn:targ et-namespace"&gt;
*** &lt;newmail& gt;
*** *** &lt;subject&gt; xxxx&lt;/subject&gt;
*** *** &lt;from&gt;xxx x&lt;/from&gt;
*** *** &lt;to&gt;xxxx& lt;/to&gt;
*** *** &lt;content&gt; xxxxxxxxx&lt;/content&gt;
*** &lt;/newmail&gt;
&lt;/newmails&gt;

I DO NOT create the "s:mail" element! Could you tell me how to elimate the "s:mail" element, and why this happened?



Oleg Tkachenko [MVP] 写道: Knighterrant wrote:
I want to copy elements from one namespace to anothor, how to create the xslt?

You have to recreate elements, namespace cannot be changed:

&lt;xsl:stylesh eet version="1.0"
****xmlns:x sl="http://www.w3.org/1999/XSL/Transform"
* xmlns:s="urn:so urce-namespace"&gt;
* &lt;xsl:templat e match="@*|node( )"&gt;
*** &lt;xsl:copy&gt ;
***** &lt;xsl:appl y-templates select="@*|node ()"/&gt;
*** &lt;/xsl:copy&gt;
* &lt;/xsl:template&gt ;
* &lt;xsl:templat e match="s:*"&gt;
*** &lt;xsl:elem ent name="t:{local-name()}" namespace="urn: target-namespace"&gt;
***** &lt;xsl:appl y-templates select="@*|node ()"/&gt;
*** &lt;/xsl:element&gt;
* &lt;/xsl:template&gt ;
&lt;/xsl:stylesheet& gt;

Nov 12 '05 #3
Knighterrant wrote:
<xsl:template match="s:mail">
<xsl:element name="newmail">
<xsl:copy>


This <xsl:copy> makes shallow copy of the context node, which is s:mail.
Get rid of <xsl:copy> if you don't need it. And you don't have to use
<xsl:element> to output elements with known name, use literal form:
<xsl:template match="s:mail">
<newmail>
<xsl:apply-templates select="@*|node ()"/>
</newmail>
</xsl:template>

--
Oleg Tkachenko [XML MVP, MCAD]
http://www.xmllab.net
http://blog.tkachenko.com
Nov 12 '05 #4
I have solved the problem. Thank you for your suggestion!
By the way, could tell me the usage of brace in detail? I don't find the description in MSDN.
&lt;xsl:elem ent name="{local-name()}" namespace="urn: target-namespace"&gt;

my transform file:
&lt;?xml version="1.0" encoding="utf-8"?&gt;

&lt;xsl:stylesh eet version="1.0"
*** *** xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
*** *** xmlns:s="urn:so urce-namespace"
*** *** xmlns="urn:targ et-namespace"&gt;

*** &lt;xsl:templat e match="/"&gt;
*** *** &lt;xsl:elem ent name="newmails" &gt;
*** *** *** &lt;xsl:appl y-templates select="//s:mail" /&gt;
*** *** &lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;

*** &lt;xsl:templat e match="s:mail"& gt;
*** *** &lt;xsl:elem ent name="newmail"& gt;
*** *** *** &lt;xsl:copy&gt ;
*** *** *** *** &lt;xsl:appl y-templates select="*"/&gt;
*** *** *** &lt;/xsl:copy&gt;
*** *** &lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;
***
*** &lt;xsl:templat e name="copy"&gt;
*** ** *&lt;xsl:eleme nt name="{local-name()}" namespace="urn: target-namespace"&gt;
*** ** *** *&lt;xsl:copy-of select="@*|text ()" /&gt;
*** ** *** *&lt;xsl:appl y-templates select="*" /&gt;
*** ** *&lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;
*** **
&lt;/xsl:stylesheet& gt;



Nov 12 '05 #5
Knighterrant wrote:
I have solved the problem. Thank you for your suggestion!
By the way, could tell me the usage of brace in detail? I don't find the
description in MSDN.


{} is an attribute value template. An expression within {} will be
evaluated and converted to string. This way you can get dynamic values
in attributes. See
http://msdn.microsoft.com/library/de...d23ebe56c1.asp

--
Oleg Tkachenko [XML MVP, MCAD]
http://www.xmllab.net
http://blog.tkachenko.com
Nov 12 '05 #6
Sorry, the message I post just now is wrong, correct one should like this:

&lt;?xml version="1.0" encoding="utf-8"?&gt;

&lt;xsl:stylesh eet version="1.0"
*** *** xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
*** *** xmlns:s="urn:so urce-namespace"
*** *** xmlns="urn:targ et-namespace"&gt;

*** &lt;xsl:templat e match="/"&gt;
*** *** &lt;xsl:elem ent name="newmails" &gt;
*** *** *** &lt;xsl:appl y-templates select="//s:mail" /&gt;
*** *** &lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;

*** &lt;xsl:templat e match="s:mail"& gt;
*** *** &lt;xsl:elem ent name="newmail"& gt;
*** ** **** &lt;xsl:for-each select="*"&gt;
*** ** *** *** *&lt;xsl:call-template name="copy" /&gt;
*** ** *** *&lt;/xsl:for-each&gt;
*** *** &lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;
***
*** &lt;xsl:templat e name="copy"&gt;
*** ** *&lt;xsl:eleme nt name="{local-name()}" namespace="urn: target-namespace"&gt;
*** ** *** *&lt;xsl:copy-of select="@*|text ()" /&gt;
*** ** *** *&lt;xsl:appl y-templates select="*" /&gt;
*** ** *&lt;/xsl:element&gt;
*** &lt;/xsl:template&gt ;
*** **
&lt;/xsl:stylesheet& gt;

Nov 12 '05 #7
Yes, you are right! I see. Thank you!

Oleg Tkachenko [MVP] 写道:
Knighterrant wrote:
<xsl:template match="s:mail">
<xsl:element name="newmail">
<xsl:copy>

This <xsl:copy> makes shallow copy of the context node, which is
s:mail. Get rid of <xsl:copy> if you don't need it. And you don't have
to use <xsl:element> to output elements with known name, use literal
form:
<xsl:template match="s:mail">
<newmail>
<xsl:apply-templates select="@*|node ()"/>
</newmail>
</xsl:template>

Nov 12 '05 #8
Oh, That's why. Thanks.

Oleg Tkachenko [MVP] 写道:
Knighterrant wrote:
I have solved the problem. Thank you for your suggestion!
By the way, could tell me the usage of brace in detail? I don't find
the description in MSDN.

{} is an attribute value template. An expression within {} will be
evaluated and converted to string. This way you can get dynamic values
in attributes. See
http://msdn.microsoft.com/library/de...d23ebe56c1.asp

Nov 12 '05 #9

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