pipeline:duration-to-seconds

Purpose

Converts an XML schema duration value or XML schema string representation of a duration into a number of seconds. Returns the equivalent number of seconds and fractions of a second, resolving the duration against the current datetime and timezone.

Signature

pipeline:duration-to-seconds [duration]

Parameter

Name Description Type Use
duration An xs:duration value, a string or an empty sequence xs:string  

Example

The following example shows how to use the function to set the timeToLive value to 1 day, 2 hours, 30 minutes and 10 seconds without having to manually convert that value to seconds. xs:duration() is an XPath function. Refer to XQuery 1.0 and XPath 2.0 Functions and Operators to learn more about it. 

<?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"
  xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <head>
    <title>Pipeline cache</title>
  </head>
  <body>
    <div>
      <pipeline:cache name="jiveCache">
        <pipeline:cacheInfo>
          <pipeline:cacheKey value="weatherConditions"/>
          <pipeline:cacheControl timeToLive="%{pipeline:duration-to-seconds(xs:duration('P1DT2H30M10S'))}"/>
        </pipeline:cacheInfo>
        <pipeline:cacheBody>
          <pipeline:transform href="test.xsl" cache="true" compilable="false">
            <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:cacheBody>
      </pipeline:cache>
    </div>
  </body>
</html>

Where, the test.xsl XSL transformation must contain the following code:

<?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 class="company_item" xmlns="http://www.w3.org/2002/06/xhtml2">
      <h3 class="company_header">
        <xsl:value-of select="/rss/channel/item/title"/>
      </h3>
      <div>
        <h4>Current Conditions:</h4>
        <p><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>
        <h4>Forecast:</h4>
        <xsl:for-each select="/rss/channel/item/yweather:forecast">
          <p>
            <xsl:value-of select="current()/@day"/> - <xsl:value-of
              select="current()/@text"/>.
            High: <xsl:value-of select="current()/@high"/>
            <xsl:value-of select="/rss/channel/yweather:units/@temperature"/> Low:
            <xsl:value-of select="current()/@low"/>
            <xsl:value-of select="/rss/channel/yweather:units/@temperature"/>
          </p>
        </xsl:for-each>
      </div>
    </div>
  </xsl:template>
</xsl:stylesheet>

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