/// <summary>
/// Shows the usage of CreateMetadataExtractor method, the method is supported in version 17.03 or greater
/// </summary>
/// <param name="fileName"></param>
public static void CreateMetadataExtractorMethodUsage(string fileName)
{
//ExStart:CreateMetadataExtractorMethodUsage
//get file actual path
String filePath = Common.GetFilePath(fileName);
var factory = new ExtractorFactory();
var extractor = factory.CreateMetadataExtractor(filePath);
var metadata = extractor.ExtractMetadata(filePath);
foreach (string key in metadata.Keys)
{
Console.WriteLine(string.Format("{0} = {1}", key, metadata[key]));
}
//ExEnd:CreateMetadataExtractorMethodUsage
}
private async Task <Response> ParseFileText(string fileName, string folderName)
{
string logMsg = "ControllerName: GroupDocsParserController FileName: " + fileName + " FolderName: " + folderName;
try
{
return(await ProcessTask(fileName, folderName, ".txt", false, "", delegate(string inFilePath, string outPath, string zipOutFolder)
{
EncodingDetector detector = new EncodingDetector(Encoding.GetEncoding(1251));
if (!Directory.Exists(zipOutFolder))
{
Directory.CreateDirectory(zipOutFolder);
}
using (Stream stream = new FileStream(inFilePath, FileMode.Open)) {
System.IO.File.WriteAllText(outPath, "Encoding: " + detector.Detect(stream, true) + Environment.NewLine);
}
ExtractorFactory factory = new ExtractorFactory();
MetadataExtractor metadataExtractor = factory.CreateMetadataExtractor(inFilePath);
if (metadataExtractor != null)
{
MetadataCollection metadataCollection = metadataExtractor.ExtractMetadata(inFilePath);
System.IO.File.AppendAllText(outPath, Environment.NewLine + "Metadata:" + Environment.NewLine);
foreach (string key in metadataCollection.Keys)
{
System.IO.File.AppendAllText(outPath, string.Format("{0} = {1}", key, metadataCollection[key]) + Environment.NewLine);
}
}
System.IO.File.AppendAllText(outPath, Environment.NewLine + "Parsed content:" + Environment.NewLine);
string fileExt = Path.GetExtension(fileName).Substring(1).ToLower();
if (GetFormatType(fileExt) == FormatType.Excel)
{
CellsTextExtractor extractor = new CellsTextExtractor(inFilePath);
extractor.ExtractMode = ExtractMode.Standard;
for (int sheetIndex = 0; sheetIndex < extractor.SheetCount; sheetIndex++)
{
System.IO.File.AppendAllText(outPath, Environment.NewLine + "Sheet # " + extractor.SheetCount + Environment.NewLine);
System.IO.File.AppendAllText(outPath, extractor.ExtractSheet(sheetIndex));
}
}
else
{
TextExtractor textExtractor = factory.CreateFormattedTextExtractor(inFilePath);
if (textExtractor == null)
{
textExtractor = factory.CreateTextExtractor(inFilePath);
}
System.IO.File.AppendAllText(outPath, textExtractor.ExtractAll());
}
}));
}
catch (Exception exc)
{
return(new Response {
FileName = fileName, FolderName = folderName, OutputType = "txt", Status = exc.Message, StatusCode = 500, Text = exc.ToString()
});
}
}