cfRssFeed(feedURL)
Last updated May 11, 2006
Version: 1 | Requires: ColdFusion MX | Library: StrLib
Description:
This UDF display's a rss feed to a web browser, in a readable format.
Return Values:
Returns a query.
Example:
<cfset rssFeed = cfRssFeed("http://news.bbc.co.uk/rss/newsonline_uk_edition/front_page/rss.xml")>
<font face="arial" size="2">
<ul>
<cfoutput query="rssFeed">
<li><b><a href="#link#">#title#</a></b> - #description#</li><br>
</cfoutput>
</ul>
</font>
Parameters:
| Name | Description | Required |
|---|---|---|
| feedURL | RSS URL. | Yes |
Full UDF Source:
<!---
Display rss feed.
Changes by Raymond Camden
@param feedURL RSS URL. (Required)
@return Returns a query.
@author Jose Diaz-Salcedo (bleachedbug@gmail.com)
@version 1, May 11, 2006
--->
<cffunction name="cfRssFeed" access="public" returntype="query" output=false>
<cfargument name="feedUrl" type="string" required="true"/>
<cfset var news_file = arguments.feedurl>
<cfset var rss = "">
<cfset var items = "">
<cfset var rssItems = "">
<cfset var i = "">
<cfset var row = "">
<cfset var title = "">
<cfset var link = "">
<cfhttp url="#news_file#" method="get" />
<cfset rss = xmlParse(cfhttp.filecontent)>
<cfset items = xmlSearch(rss, "/rss/channel/item")>
<cfset rssItems = queryNew("title,description,link")>
<cfloop from="1" to="#ArrayLen(items)#" index="i">
<cfset row = queryAddRow(rssItems)>
<cfset title = xmlSearch(rss, "/rss/channel/item[#i#]/title")>
<cfif arrayLen(title)>
<cfset title = title[1].xmlText>
<cfelse>
<cfset title="">
</cfif>
<cfset description = XMLSearch(items[i], "/rss/channel/item[#i#]/description")>
<cfif ArrayLen(description)>
<cfset description = description[1].xmlText>
<cfelse>
<cfset description="">
</cfif>
<cfset link = xmlSearch(items[i], "/rss/channel/item[#i#]/link")>
<cfif arrayLen(link)>
<cfset link = link[1].xmlText>
<cfelse>
<cfset link="">
</cfif>
<cfset querySetCell(rssItems, "title", title, row)>
<cfset querySetCell(rssItems, "description", description, row)>
<cfset querySetCell(rssItems, "link", link, row)>
</cfloop>
<cfreturn rssItems />
</cffunction>
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