pipeline:preferred

Purpose

Contains preferred content inside a try element. It must contain one or more pipeline operation elements.

Contained by

Examples

<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/2002/06/xhtml2"
  xmlns:pipeline="http://www.volantis.com/xmlns/marlin-pipeline"
  xmlns:webd="http://www.volantis.com/xmlns/marlin-web-driver">
  <head>
    <title>DCI elements</title>
  </head>
  <body>
    <div>
      <pipeline:try>
        <pipeline:preferred>
          <pipeline:transform href="test.xsl">
            <webd:get url="http://weather.yahooapis.com/forecastrss">
              <webd:parameters>
                <webd:parameter name="p" value="USWA0395"/>
                <webd:parameter name="u" value="c"/>
              </webd:parameters>
            </webd:get>
          </pipeline:transform>
        </pipeline:preferred>
        <pipeline:alternative>
          <pipeline:content>
            <p>There was a problem retrieving the information requested.</p>
          </pipeline:content>
        </pipeline:alternative>
      </pipeline:try>
    </div>
  </body>
</html>

The test.xsl transform must have the following form.

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
  xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0"
  xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">
  <xsl:output method="xml"/>
  <xsl:template match="/">
    <div xmlns="http://www.w3.org/2002/06/xhtml2">
      <h3>
        <xsl:value-of select="/rss/channel/item/title"/>
      </h3>
      <p>Current Conditions: <xsl:value-of select="/rss/channel/item/yweather:condition/@text"/>,
        <xsl:value-of select="/rss/channel/item/yweather:condition/@temp"/>
        <xsl:value-of select="/rss/channel/yweather:units/@temperature"/>.</p>
    </div>
  </xsl:template>
</xsl:stylesheet>

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