lib/ougai/formatters/base.rb in ougai-1.5.7 vs lib/ougai/formatters/base.rb in ougai-1.5.8

@@ -2,10 +2,11 @@
 require 'socket'
 
 module Ougai
   module Formatters
     # Base formatter
+    # Custom formatter must override `_call`.
     # @attr [Fixnum] trace_indent Specify exception backtrace indent (by default this is 2).
     # @attr [Fixnum] trace_max_lines Keep exception backtrace lines (by default this is 100).
     # @attr [Boolean] serialize_backtrace Whether exception should converts String (by default this is on).
     class Base < Logger::Formatter
       attr_accessor :trace_indent, :trace_max_lines
@@ -17,9 +18,17 @@
         @hostname = hostname || Socket.gethostname.force_encoding('UTF-8')
         @trace_indent = 2
         @trace_max_lines = 100
         @serialize_backtrace = true
         self.datetime_format = nil
+      end
+
+      def call(severity, time, progname, data)
+        _call(severity, time, progname, data.is_a?(Hash) ? data : { msg: data.to_s })
+      end
+
+      def _call(severity, time, progname, data)
+        raise NotImplementedError, "_call must be implemented"
       end
 
       def datetime_format=(value)
         @datetime_format = value || default_datetime_format
       end