Example #1
0
        public void Start()
        {
            Console.WriteLine("Entrer le chemin du fichier à utiliser.");
            var path = GetPath();

            //will be used to display detected error to the user.
            StringBuilder errorMessage = new StringBuilder();

            //if the input datas are incorrect, an exception will be thrown describing what we have to correct.
            //unhandled errors will be displayed on the console.
            try
            {
                GraphManager = new GraphConverterManager();
                var result = GraphManager.ConvertCurrenciesFromFile(path, errorMessage);
                if (result.HasValue)
                {
                    Console.WriteLine(result.Value);
                }
            }
            catch (Exception e)
            {
                errorMessage.Append(e.ToString());
            }
            finally
            {
                if (errorMessage.Length > 0)
                {
                    Console.WriteLine(errorMessage.ToString());
                }
            }

            WaitCommand();
        }
Example #2
0
        /// <summary>
        /// Read the conversion file from the path in parameter and calculate the wanted conversion from a currency to another.
        /// </summary>
        /// <param name="args">Arguments from the command line
        /// Should be a path to a file defining the conversion to do.</param>
        /// <returns></returns>
        public void ConvertCurrenciesFromDataFile(string[] args)
        {
            //will be used to display detected error to the user.
            StringBuilder errorMessage = new StringBuilder();

            //if the input datas are incorrect, an exception will be thrown describing what we have to correct.
            //unhandled errors will be displayed on the console.
            try
            {
                string fileName = ReadArgs(args, errorMessage);

                var GraphConverterManager = new GraphConverterManager();
                var result = GraphConverterManager.ConvertCurrenciesFromFile(fileName, errorMessage);
                if (result.HasValue)
                {
                    Console.WriteLine(result.Value);
                }
            }
            catch (Exception e)
            {
                errorMessage.Append(e.ToString());
            }
            finally
            {
                if (errorMessage.Length > 0)
                {
                    Console.WriteLine(errorMessage.ToString());
                }
            }
        }