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Re: creating XML in a servlet

Subject: Re: creating XML in a servlet
From: Jeni Tennison <jeni@xxxxxxxxxxxxxxxx>
Date: Sat, 6 Apr 2002 15:23:04 +0100
parameters of football
Hi Jamal,

> I want to know if it is possible to create chunks of XML based on
> certain parameters that a servlet receives from a form submitted by
> a web client.

In principle, yes. This is possible in Cocoon, for example, provided
that you configure it correctly.

> For example if form parameter name = 'title', and value of this
> parameter is 'Football', then ask XSL to create the following chunk
> of XML:
> <title>Football</title>

In XSLT, the names of the parameters that a stylesheet uses must be
hardcoded into the stylesheet. So you could declare the $title

<xsl:param name="title" />

and then pass in the value 'Football' for that title parameter, and

    <xsl:value-of select="$title" />

But you can't vary the name of the parameter.

On the other hand, you could have a general parameter called
'parameter', for example:

<xsl:param name="parameter" />

and then use some delimiter in the value of that parameter to create
an element with a value. You can then pull the parameter value into a
'name' and 'value' using substring-before() and substring-after()
functions. Then create the element with a particular name using an
attribute value template in the name attribute of the xsl:element

So for example if the $parameter parameter was set to 'title:Football'
then you could create the title element with:

  <xsl:element name="{substring-before($parameter, ':')}">
    <xsl:value-of select="substring-after($parameter, ':')" />

Or have separate parameters for the name and value of the element.


Jeni Tennison

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

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