private ConfigFull <ConfigAbstract> ReadSerializedConfig(string filePath) { ConfigFull <ConfigAbstract> config = null; if (!(File.Exists(filePath))) { return(config); } FileInfo fi = new FileInfo(filePath); if (fi.Length == 0) { return(config); } BinaryFormatter formatter = new BinaryFormatter(); string message = string.Empty; try { message += $"Try to read '{filePath}':{Environment.NewLine}"; using (FileStream fs = new FileStream(filePath, FileMode.OpenOrCreate)) { config = (ConfigFull <ConfigAbstract>)formatter.Deserialize(fs); message += "Success!"; } } catch (Exception excpt) { message += $"{excpt.Message}:{Environment.NewLine}{excpt.ToString()}"; } EvntInfoMessage?.Invoke(this, new TextEventArgs(message)); EvntCollectionFull?.Invoke(this, new BoolEventArgs(true));//collection is full return(config); }
public async Task <IList <string> > ReadAsync(string filePath, Encoding encoding, int maxElementsInDictionary) { Text = new List <string>(maxElementsInDictionary); const int DefaultBufferSize = 4096; const FileOptions DefaultOptions = FileOptions.Asynchronous | FileOptions.SequentialScan; string currentRow; importedRows = 0; using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultBufferSize, DefaultOptions)) { using (var reader = new StreamReader(stream, encoding)) { while ((currentRow = await reader.ReadLineAsync())?.Trim()?.Length > 1) { Text.Add(currentRow); importedRows++; if (importedRows > 0 && importedRows % maxElementsInDictionary == 0) { EvntCollectionFull?.Invoke(this, new BoolEventArgs(true));//collection is full await Task.Delay(TimeSpan.FromSeconds(0.2)); Text = new List <string>(maxElementsInDictionary); } } } } if (Text?.Count > 0) { EvntCollectionFull?.Invoke(this, new BoolEventArgs(true));//last part of the collection await Task.Delay(TimeSpan.FromSeconds(0.2)); } return(Text); }
async Task ImportTextFile(string filePath, Encoding encoding, int maxElementsInDictionary) { const int DefaultBufferSize = 4096; const FileOptions DefaultOptions = FileOptions.Asynchronous | FileOptions.SequentialScan; string nameColumns = null; string currentRow; IModels models; columnNames = new ModelCommonStore(); listCommonModels = new List <IModels>(maxElementsInDictionary); using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultBufferSize, DefaultOptions)) { using (var reader = new StreamReader(stream, encoding)) { while ((currentRow = await reader.ReadLineAsync())?.Trim()?.Length > 10) { if (nameColumns == null) { importedRows = 0; parsedModel = new ParserRowModelCommon(currentRow); columnNames = parsedModel.MatchColumnToAlias(); nameColumns = parsedModel.ImportedColumnName; EvntHeaderReady?.Invoke(this, new BoolEventArgs(true));//cHeader is ready } //first found not_empty_line containes name columns else { parsedModel = new ParserRowModelCommon(currentRow, nameColumns); models = parsedModel?.ConvertRowToModels(); if (models?.list?.Count > 0) { importedRows++; listCommonModels.Add(models); if (importedRows > 0 && importedRows % maxElementsInDictionary == 0) { EvntCollectionFull?.Invoke(this, new BoolEventArgs(true));//collection is full EvntInfoMessage?.Invoke(this, new TextEventArgs($"lastRow: {currentRow}" + $"{Environment.NewLine}parsed: {models.ToString()}" + $"{Environment.NewLine}Ожидаю пока запишутся данные(до 5 сек.)...")); FileReaderModels.evntWaitHandle.WaitOne(5000); listCommonModels = new List <IModels>(maxElementsInDictionary); } } } } } } if (listCommonModels?.Count > 0) { EvntCollectionFull?.Invoke(this, new BoolEventArgs(true));//last part of the collection EvntInfoMessage?.Invoke(this, new TextEventArgs($"Ожидаю пока запишется последняя часть данных(до 2 сек.)...")); FileReaderModels.evntWaitHandle.WaitOne(2000); } }
private void ImportExcelFile(string filePath, int maxElementsInDictionary) { string nameColumns = null; string currentRow; IModels models; columnNames = new ModelCommonStore(); listCommonModels = new List <IModels>(maxElementsInDictionary); var fi = new FileInfo(filePath); using (var package = new ExcelPackage(fi)) { var workbook = package.Workbook; var worksheet = workbook.Worksheets.First(); //get the first worksheet in the workbook int colCount = worksheet.Dimension.End.Column; //get Column Count int rowCount = worksheet.Dimension.End.Row; //get row count EvntInfoMessage?.Invoke(this, new TextEventArgs($"File contains: {colCount} columns{Environment.NewLine}and {rowCount} rows")); for (int row = 1; row <= rowCount; row++) { currentRow = string.Empty; for (int col = 1; col <= colCount; col++) { currentRow += $"{worksheet.Cells[row, col]?.Value?.ToString()?.Trim()}|"; } currentRow = currentRow?.TrimEnd('|'); if (!currentRow.Contains("|")) { continue; } if (nameColumns == null) { importedRows = 0; parsedModel = new ParserRowModelCommon(currentRow); columnNames = parsedModel.MatchColumnToAlias(); nameColumns = parsedModel.ImportedColumnName; EvntHeaderReady?.Invoke(this, new BoolEventArgs(true));//cHeader is ready } //first found not_empty_line will be contained name columns else { parsedModel = new ParserRowModelCommon(currentRow, nameColumns); models = parsedModel?.ConvertRowToModels(); if (!(models?.list?.Count > 0)) { continue; } importedRows++; listCommonModels.Add(models); if (importedRows <= 0 || importedRows % maxElementsInDictionary != 0) { continue; } EvntCollectionFull?.Invoke(this, new BoolEventArgs(true));//collection is full EvntInfoMessage?.Invoke(this, new TextEventArgs($"lastRow: {currentRow}" + $"{Environment.NewLine}parsed: {models.ToString()}" + $"{Environment.NewLine}Ожидаю пока данные запишутся (до 5 сек.)...")); FileReaderModels.evntWaitHandle.WaitOne(5000); listCommonModels = new List <IModels>(maxElementsInDictionary); } } } if (!(listCommonModels?.Count > 0)) { return; } EvntCollectionFull?.Invoke(this, new BoolEventArgs(true));//last part of the collection EvntInfoMessage?.Invoke(this, new TextEventArgs($"Ожидаю пока запишется последняя часть данных (до 5 сек.)...")); FileReaderModels.evntWaitHandle.WaitOne(5000); }