public override ConversionEngine ConstructFileEngine(string fileName, byte[] file,
UnsupportedTypeHandlingEnum unsupportedHandling)
{
if (string.IsNullOrEmpty(fileName))
{
throw new MissingSourceException("File not specified.");
}
ConversionEngine engine = null;
switch (Path.GetExtension(fileName).ToLower())
{
case ".pdf":
engine = new PdfEngine(file);
break;
case ".png":
case ".gif":
case ".jpeg":
case ".jpg":
case ".bmp":
engine = new WebKitImageEngine(fileName, file);
break;
case ".html":
case ".htm":
engine = new WebKitFileEngine(fileName, file);
break;
case ".odt":
case ".doc":
case ".docx":
case ".xls":
case ".xlsx":
case ".ppt":
case ".pptx":
case ".txt":
case ".rtf":
engine = new LibreOfficeConversionEngine(fileName, file);
break;
default:
switch (unsupportedHandling)
{
case UnsupportedTypeHandlingEnum.Error:
throw new UnsupportedSourceException("Unsupported file type.", Path.GetExtension(fileName));
case UnsupportedTypeHandlingEnum.NoPage:
engine = new NullEngine();
break;
case UnsupportedTypeHandlingEnum.PageWithErrorText:
engine = new UnsupportedTypeEngine(fileName);
break;
default:
throw new InvalidEnumArgumentException("unsupportedHandling", (int)unsupportedHandling, typeof(UnsupportedTypeHandlingEnum));
}
break;
}
return engine;
}
private UnsupportedTypeHandlingEnum GetUnsupportedHandlingFromOptions(ConversionOptions options)
{
UnsupportedTypeHandlingEnum handling = UnsupportedTypeHandlingEnum.Error;
if (!options.SilentFailOnUnsupportedType)
{
handling = UnsupportedTypeHandlingEnum.Error;
}
else if (options.UsePlaceholderPageOnUnsupportedType)
{
handling = UnsupportedTypeHandlingEnum.PageWithErrorText;
}
else
{
handling = UnsupportedTypeHandlingEnum.NoPage;
}
return(handling);
}
public byte[] ConvertFiles(Dictionary <string, byte[]> files, ConversionOptions options)
{
if (files == null || files.Count == 0)
{
throw new MissingSourceException("No files were specified.");
}
List <byte[]> converted = new List <byte[]>();
foreach (KeyValuePair <string, byte[]> file in files)
{
UnsupportedTypeHandlingEnum unsupportedHandling = GetUnsupportedHandlingFromOptions(options);
using (ConversionEngine engine = m_engineFactory.ConstructFileEngine(file.Key, file.Value, unsupportedHandling))
{
engine.ConvertToPdf(options);
byte[] result = engine.OutputFile;
converted.Add(result);
}
}
return(CombinePdfs(converted, options));
}
public abstract ConversionEngine ConstructFileEngine(string fileName, byte[] file, UnsupportedTypeHandlingEnum unsupportedHandling);
public override ConversionEngine ConstructFileEngine(string fileName, byte[] file,
UnsupportedTypeHandlingEnum unsupportedHandling)
{
if (string.IsNullOrEmpty(fileName))
{
throw new MissingSourceException("File not specified.");
}
ConversionEngine engine = null;
switch (Path.GetExtension(fileName).ToLower())
{
case ".pdf":
engine = new PdfEngine(file);
break;
case ".png":
case ".gif":
case ".jpeg":
case ".jpg":
case ".bmp":
engine = new WebKitImageEngine(fileName, file);
break;
case ".html":
case ".htm":
engine = new WebKitFileEngine(fileName, file);
break;
case ".odt":
case ".doc":
case ".docx":
case ".xls":
case ".xlsx":
case ".ppt":
case ".pptx":
case ".txt":
case ".rtf":
engine = new LibreOfficeConversionEngine(fileName, file);
break;
default:
switch (unsupportedHandling)
{
case UnsupportedTypeHandlingEnum.Error:
throw new UnsupportedSourceException("Unsupported file type.", Path.GetExtension(fileName));
case UnsupportedTypeHandlingEnum.NoPage:
engine = new NullEngine();
break;
case UnsupportedTypeHandlingEnum.PageWithErrorText:
engine = new UnsupportedTypeEngine(fileName);
break;
default:
throw new InvalidEnumArgumentException("unsupportedHandling", (int)unsupportedHandling, typeof(UnsupportedTypeHandlingEnum));
}
break;
}
return(engine);
}
public abstract ConversionEngine ConstructFileEngine(string fileName, byte[] file, UnsupportedTypeHandlingEnum unsupportedHandling);
