return url =~ VALID_HOWCAST_URL_REGEX
end
-
- def get_video_url(url)
+
+ def get_video_url()
+ video_id = parse_video_id()
+ xml_url = "http://www.howcast.com/videos/#{video_id}.xml"
+ xml_data = self.get_page_data(xml_url)
+ filepath = parse_file_path_from_xml(xml_data)
+
+ return "http://www.howcast.com#{filepath}"
+ end
+
+ :private
+
+ def parse_video_id()
# This regex just pulls out the video id
id_regex = /\/(\d+)-/
- matches = id_regex.match(url)
+ matches = id_regex.match(@url)
if matches.nil?
raise StandardError.new('The URL is a valid Howcast URL, but does not match on the digit portion of the regex. Since the digit portion is a subset of the "valid" regex, this should never occur.')
end
+
+ return matches[1]
+ end
+
+
+ def parse_file_path_from_xml(data)
+ file_path_regex = /<filename>(.*?)<\/filename>/
+ matches = file_path_regex.match(data)
+
+ if matches.nil?
+ raise StandardError.new("Couldn't parse the <filename> tag from the XML file.")
+ end
- video_id = matches[1]
- return "http://media.howcast.com/system/videos/#{video_id}/#{video_id}.flv"
+ return matches[1]
end
end