lib/geonames_api/error.rb in geonames_api-0.0.6 vs lib/geonames_api/error.rb in geonames_api-0.1.0

@@ -1,5 +1,28 @@
 module GeoNamesAPI
   class Error < StandardError
-    
+    # See http://www.geonames.org/export/webservice-exception.html
+    def self.from_status(status)
+      val = status['value'].to_i
+      error_type = case val
+        when 12, 13, 22
+          Timeout
+        when 14
+          InvalidParameter
+        when 21
+          InvalidInput
+        else
+          Error
+      end
+      raise error_type, "#{status['message']} (#{val})"
+    end
   end
-end
\ No newline at end of file
+
+  class Timeout < Error
+  end
+
+  class InvalidParameter < Error
+  end
+
+  class InvalidInput < Error
+  end
+end