semantic web: Google Calendar atom to XSLT to hCalendar

I've just spent the last few hours turning the atom feed from a Google Calendar into hCalendar formatted HTML output and I'm exhausted. This requires an asp feed parser, knowledge of XSLT and an understanding of atom feeds. Thank you Nathan for the parser!

Here is the XSLT

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:gd="http://schemas.google.com/g/2005">

<xsl:output method="html" />

<xsl:template match="/atom:feed">
	<xsl:apply-templates select="atom:entry" />
</xsl:template>
<xsl:template match="atom:entry" name="feed">
	<xsl:variable name="myYear">
		<xsl:value-of select="substring(gd:when/@startTime,1,4)" />
	</xsl:variable>
	<xsl:variable name="myMonth">
		<xsl:value-of select="substring(gd:when/@startTime, 6,2)" />
	</xsl:variable>
	<xsl:variable name="myDay">
		<xsl:value-of select="substring(gd:when/@startTime, 9,2)" />
	</xsl:variable>
	<xsl:variable name="myStart">
		<xsl:value-of select="substring(gd:when/@startTime, 12,5)" />
	</xsl:variable>
	<xsl:variable name="myEnd">
		<xsl:value-of select="substring(gd:when/@endTime, 12,5)" />
	</xsl:variable>

<ul>
	<li class="vevent">
		<a href="{atom:link[@rel='alternate']/@href}" class="summary"><xsl:value-of select="atom:title" /></a> - <xsl:value-of select="$myDay" />/<xsl:value-of select="$myMonth" />/<xsl:value-of select="$myYear" /> | <xsl:value-of select="$myStart" /> - <xsl:value-of select="$myEnd" /> 
		<xsl:value-of select="atom:content" disable-output-escaping="yes" /> 
		<xsl:value-of select="gd:when/@startTime" />
		<xsl:value-of select="gd:when/@endTime" />
		Location: <xsl:value-of select="gd:where/@valueString" />
	</li>
</ul>

</xsl:template>

</xsl:stylesheet>

Many thanks to Brad Hosack and Dave Hartley for your help!

Comments

great xsl!
I was trying to get it working for my little project, but seems like my feed doesn't generate the gd:when. Do I have to do anything special for getting that tag?

Posted by: Justin | July 24, 2008 09:15 AM

gd:when is part of the Atom code created by Google Calendar. I'm not sure how you would create it.

Posted by: Laurie | July 24, 2008 09:38 AM

semantic web

Standards based coding for a more semantic web

Google Calendar atom to XSLT to hCalendar

Here is the XSLT

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