utils.rb in spid-es-0.0.20

- old
+ new
@@ -181,8 +181,45 @@
       end
 
       def self.uuid
         RUBY_VERSION < '1.9' ? "_#{@@uuid_generator.generate}" : "_#{SecureRandom.uuid}"
       end
+
+
+      # Given two strings, attempt to match them as URIs using Rails' parse method.  If they can be parsed,
+      # then the fully-qualified domain name and the host should performa a case-insensitive match, per the
+      # RFC for URIs.  If Rails can not parse the string in to URL pieces, return a boolean match of the
+      # two strings.  This maintains the previous functionality.
+      # @return [Boolean]
+      def self.uri_match?(destination_url, settings_url)
+        dest_uri = URI.parse(destination_url)
+        acs_uri = URI.parse(settings_url)
+
+        if dest_uri.scheme.nil? || acs_uri.scheme.nil? || dest_uri.host.nil? || acs_uri.host.nil?
+          raise URI::InvalidURIError
+        else
+          dest_uri.scheme.downcase == acs_uri.scheme.downcase &&
+            dest_uri.host.downcase == acs_uri.host.downcase &&
+            dest_uri.path == acs_uri.path &&
+            dest_uri.query == acs_uri.query
+        end
+      rescue URI::InvalidURIError
+        original_uri_match?(destination_url, settings_url)
+      end
+
+      # If Rails' URI.parse can't match to valid URL, default back to the original matching service.
+      # @return [Boolean]
+      def self.original_uri_match?(destination_url, settings_url)
+        destination_url == settings_url
+      end
+
+      # Given a REXML::Element instance, return the concatenation of all child text nodes. Assumes
+      # that there all children other than text nodes can be ignored (e.g. comments). If nil is
+      # passed, nil will be returned.
+      def self.element_text(element)
+        element.texts.map(&:value).join if element
+      end
+
+
     end
   end
 end