Exemple #1
0
        /// <summary>
        /// Saves data to specified place using <paramref name="saver"/> interface.
        /// </summary>
        /// <param name="saveFromFile">Specified file with data.</param>
        /// <param name="saver">Interaface for saving.</param>
        /// <exception cref="ArgumentNullException">Throws when <paramref name="saveFromFile"/>, <paramref name="saver"/> or ProccesInfo event is null.</exception>
        /// <exception cref="Exception">Throws when some exeptions occurs.</exception>
        public void SaveData(string saveFromFile, IDataSaver saver)
        {
            if (saveFromFile is null)
            {
                throw new ArgumentNullException(String.Format("{0} can't be null.", saveFromFile));
            }

            if (saver is null)
            {
                throw new ArgumentNullException(String.Format("{0} can't be null.", saver));
            }

            if (ProcessInfo is null)
            {
                throw new ArgumentNullException(String.Format("You must be subscribed on event {0}.", ProcessInfo));
            }

            int currentLineNumber = 0;
            int totalLinesCount   = 0;

            try
            {
                using (StreamReader reader = new StreamReader(saveFromFile))
                {
                    while (reader.ReadLine() != null)
                    {
                        totalLinesCount++;
                    }
                }

                using (StreamReader reader = new StreamReader(saveFromFile, Encoding.Default))
                {
                    string currentLine = null;
                    while ((currentLine = reader.ReadLine()) != null)
                    {
                        currentLineNumber++;
                        saver.SaveRow(RowRepresentation.ParseToRowRepresentation(currentLine));
                        ProcessInfo?.Invoke(currentLineNumber, totalLinesCount - currentLineNumber);
                    }
                }
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }
Exemple #2
0
        /// <summary>
        /// Parses string row to the RowRepresentation.
        /// </summary>
        /// <param name="row">Specified row.</param>
        /// <returns>Parsed result.</returns>
        public static RowRepresentation ParseToRowRepresentation(string row)
        {
            RowRepresentation rowRepresentation = new RowRepresentation();

            string[] values = row.Split(new string[] { "||" }, StringSplitOptions.RemoveEmptyEntries);

            rowRepresentation.Date = DateTime.Parse(values[0]);

            rowRepresentation.LatinSequence = values[1];

            rowRepresentation.CyrillicSequence = values[2];

            rowRepresentation.IntegerNumber = Int32.Parse(values[3]);

            rowRepresentation.FloatNumber = float.Parse(values[4]);

            return(rowRepresentation);
        }