Looping while a condition is true and ignoring false ones

Report · May 21, 2008

I'm having some difficultly understanding how to program a loop that checks whether a string value is TRUE. And if its not TRUE, I want it to start again until it gets a TRUE response.

So what I mean is - I am reading in a XML file from a standard URL. I then use <cfset> to put the information into a variable. However I only want to put it into the variable if an element called STATUS is "OK". If its not "OK", then I want it to read more files in until it hits one where the STATUS is "OK".

Heres my code thus far:

<cfhttp url=" http://www.xxx.com?Name=#RandName#&PartNumber=#RandPartNo#">
<cfset xItem = xmlparse(cfhttp.FileContent)>
<cfif #xItem.XXXFeed.product.STATUS.xmltext# IS "OK">
<cfset Item = xItem.HDSFeed.product.item>

So as you can see above, the URL from which the data is coming from is generated using random names and part numbers. So each time you refresh the page (using F5), it will return different information. It then checks to see if the STATUS atttribute contains text that says "OK". If it is indeed "OK", then we can create the variable "Item". If the text IS NOT "OK" then I want it to basically refresh itself until it does retireve a URL which contains STATUS as "OK".

Any idea how this achieved? The variables #RandName# and #RandPartNo# are generated from a database query on the same page of course. Hence the need to refresh the whole page.

Report · May 21, 2008

I am not sure if you just need a simple if branch or a while loop.

First Idea:
<cfif something.status IS NOT 'OK'>

</cfif>

Second Idea:
<cfloop condition="something.status IS NOT 'OK'">

</cfloop>