public void MimeTypeGet()
{
Assert.IsTrue(MimeTypeMapping.TryGetMapping(MimeTypes.Text.Plain, out var mapping));
Assert.AreEqual(".txt", mapping.Extensions[0]);
Assert.IsFalse(mapping.IsCompressedContent);
MimeTypeMapping.Update("quark", false, true, ".quark", ".txt");
Assert.AreEqual(".quark", MimeTypeMapping.GetExtensionFromMimeType("quark"));
Assert.AreEqual("quark", MimeTypeMapping.GetMimeTypeFromExtension(".quark"));
MimeTypeMapping.Update(MimeTypes.Text.Plain, false, false, ".txt", ".text");
Assert.AreEqual(MimeTypes.Text.Plain, MimeTypeMapping.GetMimeTypeFromExtension(".text"));
}
} // proc WriteAsync
public override async Task WriteAsync(XmlWriter xml, IDataRow row)
{
var objkIdKey = GetValue(row);
if (objkIdKey == null)
{
return;
}
var objkId = objkIdKey.ChangeType <long>();
// check cache
if (session.exportedImages.TryGetValue(objkId, out var fi) && fi != null)
{
await WriteAsync(xml, fi);
return;
}
// mark as exported
session.exportedImages[objkId] = null;
// test if the object is an image
var obj = session.application.Objects.GetObject(objkId);
if (obj.MimeType != MimeTypes.Image.Jpeg &&
obj.MimeType != MimeTypes.Image.Png &&
obj.MimeType != MimeTypes.Application.Pdf)
{
return;
}
// write object to disc
// todo: optimize to use direct link
fi = session.CreateTempFile(objkId.ToString() + MimeTypeMapping.GetExtensionFromMimeType(obj.MimeType), true);
using (var dst = fi.OpenWrite())
using (var src = obj.GetDataStream())
await src.CopyToAsync(dst);
await WriteAsync(xml, fi);
session.exportedImages[objkId] = fi;
} // proc WriteAsnyc
public FileInfo GetLocalTempFileInfo(PpsObject obj)
{
// create temp directory
var tempDirectory = new DirectoryInfo(Path.Combine(LocalPath.FullName, "tmp"));
if (!tempDirectory.Exists)
{
tempDirectory.Create();
}
// build filename
if (obj.TryGetProperty <string>(PpsObjectBlobData.FileNameTag, out var fileName))
{
fileName = obj.Guid.ToString("N") + "_" + fileName;
}
else
{
fileName = obj.Guid.ToString("N") + MimeTypeMapping.GetExtensionFromMimeType(obj.MimeType);
}
return(new FileInfo(Path.Combine(tempDirectory.FullName, fileName)));
} // func GetLocalTempFileInfo
