formatter.rb in java-checkstyle-1.0.4

- old
+ new

@@ -4,12 +4,12 @@
     # Responsible for format a given output
     class Formatter
       ##
       # Format output for a given +errors+ details
       #
-      # @param [Hash] JSON errors details
-      # @return [String] formatted output (may return nil)
+      # @param checkstyle [Domain::Checkstyle] Checkstyle details
+      # @return [String] formatted output or nil when has no errors
       # @raise ArgumentError when input is empty
       #
       def format(checkstyle)
         throw ArgumentError.new if checkstyle.nil?
         return nil if checkstyle.good?
@@ -26,12 +26,10 @@
       def format_single(bad_file)
         "File errors: #{bad_file.name} \n" + format_errors(bad_file.errors)
       end
 
       def format_errors(errors)
-        errors.reduce('') do |out, error|
-          out + line(error)
-        end
+        errors.reduce('') { |a, e| a + line(e) }
       end
 
       def line(error)
         "  line: #{error['line']}:#{error['column']}"\
           " error: #{error['message']}\n"