update element value

nguna · February 26th, 2009, 11:36 AM

Hi,
I want to change the value of a specific element in the xml. Can someone tell me how to do this.

For Example

input XML

<root>
<input1>
<text1>test1<test1>
<test2>test2<test2>
<input1>
<input2>
<test1>test12</test1>
<test2>test22</test2>
</input2>
</root>

Output XML

<root>
<input1>
<text1>New Value<test1>
<test2>test2<test2>
<input1>
<input2>
<test1>New Value</test1>
<test2>test22</test2>
</input2>
</root>

where "New Value" is a variable.

mhkay · February 26th, 2009, 11:48 AM

Create an identity template that copies everything:

Code:

<xsl:template match="*">
  <xsl:copy><xsl:apply-templates/></xsl:copy>
</xsl:template>

and then add a template that changes the nodes you want to change:

Code:

<xsl:template match="test1/text()">
  <xsl:value-of select="$NewValue"/>
</xsl:template>

joefawcett · February 26th, 2009, 11:49 AM

You should be able to use the identity template, which just copies everything, and add a rule (template) for the specific change:

Code:

<xsl:stylesheetversion="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 
<xsl:param name="newValue" />
<xsl:templatematch="@*|node()">
<xsl:copy>
<xsl:apply-templatesselect="@*|node()"/>
</xsl:copy>
</xsl:template>
 
<xsl:templatematch="text1">
<xsl:copy>
<xsl:value-ofselect="$newValue"/>
</xsl:copy>
 
</xsl:template>
</xsl:stylesheet>

If that's not what you need then show some well formed XML and state the rules you need to follow and which XSLT tools you are using as setting xsl:param is processor dependent.

nguna · February 26th, 2009, 12:00 PM

thanks for your help