scala-news-reader

MetaVerification.scala

(698B)

 package com.joereader.lib.rss
 
 import dispatch._
 import net.liftweb.common._
 
 /* Verifies if a webpage contains a specific meta tag. */
 case class MetaVerification(
     metaName: String, 
     metaContent: String, 
     link: String) extends Logger {
 
   def verified: Boolean =
     requestLink(link)() match {
       case Left(e) =>
         warn("Can't connect to verify meta tag: "+e.getMessage)
         false
       case Right(response) =>
         headElements(parseHtml(response)) exists
           (e => 
             e.attr("name").toLowerCase.trim == 
               metaName.toLowerCase.trim &&
             e.attr("content").toLowerCase.trim == 
               metaContent.toLowerCase.trim)
 
     }
 }