| using System; | 
 | using System.Collections.Generic; | 
 | using System.IO; | 
 | using System.Linq; | 
 | using System.Text; | 
 |  | 
 | namespace OfficeOpenXml.FormulaParsing.Logging | 
 | { | 
 |     /// <summary> | 
 |     /// Create loggers that can be used for logging the formula parser. | 
 |     /// </summary> | 
 |     public static class LoggerFactory | 
 |     { | 
 |         /// <summary> | 
 |         /// Creates a logger that logs to a simple textfile. | 
 |         /// </summary> | 
 |         /// <param name="file"></param> | 
 |         /// <returns></returns> | 
 |         public static IFormulaParserLogger CreateTextFileLogger(FileInfo file) | 
 |         { | 
 |             return new TextFileLogger(file); | 
 |         } | 
 |     } | 
 | } |