コード例 #1
0
        /// <summary>
        /// Reads all elements from the excel file
        /// </summary>
        /// <param name="clientFolderName">
        /// The path to the excel file.
        /// </param>
        /// <returns>
        /// the list of contacts
        /// </returns>
        public override List <StdElement> GetAll(string clientFolderName)
        {
            var result = new List <StdElement>();

            var mappingFileName = GetColumnDefinitionFileName(clientFolderName);
            var mapping         = this.GetColumnDefinition(mappingFileName, typeof(T));
            var excelFile       = GetFileName(clientFolderName);

            this.LogProcessingEvent("Opening Excel file {0} ...", excelFile);

            // get the array of values from the first sheet inside the array
            var valueArray = OpenXmlHelper.GetValueArrayFromExcelFile(excelFile);

            if (valueArray.Length <= 0)
            {
                this.LogProcessingEvent("no cells inside file - read aborted");

                // exit if we don't have cells
                return(result);
            }

            this.LogProcessingEvent(
                "{0} values found in {1} rows and {2} columns.",
                valueArray.Length,
                valueArray.GetLength(0),
                valueArray.GetLength(1));

            var       exceptionCounter = 0;
            var       exceptionReport  = excelFile + ".ExceptionReport.xml";
            XmlWriter exceptionFile    = null;

            // copy the values into objects
            for (var rowId = 1; rowId < valueArray.GetLength(0); rowId++)
            {
                var colIndex   = 0;
                var newElement = new T();
                for (var colId = 0; colId < mapping.Count - 1; colId++)
                {
                    try
                    {
                        Tools.SetPropertyValue(newElement, mapping[colIndex].Selector, valueArray[rowId, colId]);
                    }
                    catch (Exception ex)
                    {
                        exceptionFile = WriteExceptionFile(valueArray, rowId, colId, newElement, exceptionFile, exceptionReport, ex);
                        exceptionCounter++;
                    }

                    colIndex++;
                }

                result.Add(newElement);
                this.LogProcessingEvent(newElement, "contact read");
            }

            if (exceptionCounter > 0)
            {
                if (exceptionFile != null)
                {
                    exceptionFile.WriteEndElement();
                    exceptionFile.WriteEndDocument();
                    exceptionFile.Close();
                }

                this.LogProcessingEvent(
                    "{0} exceptions while reading data ... see exception report ({1}) for details.",
                    exceptionCounter,
                    exceptionReport);
            }

            this.LogProcessingEvent("cleaning up entities");
            CleanUpEntities(result);

            this.LogProcessingEvent("reading finished");
            return(result);
        }