private void storeDocument(XComponent document, String outputUrl, IDictionary storeProperties)
{
try
{
XStorable storable = (XStorable)document;
storable.storeToURL(outputUrl, ToPropertyValues(storeProperties));
}
finally
{
XCloseable closeable = (XCloseable)document;
if (closeable != null)
{
try
{
closeable.close(true);
}
catch (CloseVetoException closeVetoException)
{
Logger.Warn("document.close() vetoed:" + closeVetoException.Message);
}
}
else
{
document.dispose();
}
}
}
private static void ConvertToPDF(string serverHost, int serverPort, Uri inputFile, Uri outputFile)
{
// FIX: Workaround for a known bug: XUnoUrlResolver forgets to call WSAStartup. We can use dummy Socket for that:
using (var dummySocket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP))
{
// First, initialize local service manager (IoC container of some kind):
XComponentContext componentContext = Bootstrap.bootstrap();
XMultiComponentFactory localServiceManager = componentContext.getServiceManager();
XUnoUrlResolver urlResolver = (XUnoUrlResolver)localServiceManager.createInstanceWithContext("com.sun.star.bridge.UnoUrlResolver", componentContext);
// Connect to LibreOffice server
// URL format explained here: https://wiki.openoffice.org/wiki/Documentation/DevGuide/ProUNO/Starting_OpenOffice.org_in_Listening_Mode
string connectionString = string.Format("uno:socket,host={0},port={1};urp;StarOffice.ComponentContext", serverHost, serverPort);
object initialObject = urlResolver.resolve(connectionString);
// Retrieve remote service manager:
XComponentContext remoteContext = (XComponentContext)initialObject;
XMultiComponentFactory remoteComponentFactory = remoteContext.getServiceManager();
// Request our own instance of LibreOffice Writer from the server:
object oDesktop = remoteComponentFactory.createInstanceWithContext("com.sun.star.frame.Desktop", remoteContext);
XComponentLoader xCLoader = (XComponentLoader)oDesktop;
var loaderArgs = new PropertyValue[1];
loaderArgs[0] = new PropertyValue();
loaderArgs[0].Name = "Hidden"; // No GUI
loaderArgs[0].Value = new Any(true);
string inputFileUrl = inputFile.AbsoluteUri;
// WARNING: LibreOffice .NET API uses .NET Remoting and does NOT throw clean and actionable errors,
// so, if server crashes or input file is locked or whatever, you will get nulls after casting.
// For example, `(XStorable)xCLoader` cast may produce null.
// This is counter-intuitive, I know; be more careful in production-grade code and check for nulls after every cast.
XStorable xStorable = (XStorable)xCLoader.loadComponentFromURL(inputFileUrl, "_blank", 0, loaderArgs);
var writerArgs = new PropertyValue[2];
writerArgs[0] = new PropertyValue();
writerArgs[0].Name = "Overwrite"; // Overwrite outputFile if it already exists
writerArgs[0].Value = new Any(true);
writerArgs[1] = new PropertyValue();
writerArgs[1].Name = "FilterName";
writerArgs[1].Value = new Any("writer_pdf_Export"); // Important! This filter is doing all PDF stuff.
string outputFileUrl = outputFile.AbsoluteUri;
xStorable.storeToURL(outputFileUrl, writerArgs);
XCloseable xCloseable = (XCloseable)xStorable;
if (xCloseable != null)
{
xCloseable.close(false);
}
}
}
//ファイルを閉じる
public void CloseFile()
{
// Calcファイルを閉じる
if (doc != null)
{
xCloseable = (XCloseable)doc;
xCloseable.close(true);
doc = null;
}
}
public void Close()
{
if (!closed)
{
if (!closed && SaveWhenClosing && savedFile != null)
{
Save();
}
closePeer.close(false);
closed = true;
}
}
/// <summary>
/// Try to close the frame instead of the document.
/// It shows the possible interface to do so.
/// </summary>
/// <param name="xFrame">frame which should be clcosed</param>
/// <returns>
/// <TRUE/>
/// in case frame could be closed
/// <FALSE/>
/// otherwise
/// </returns>
public static bool CloseFrame(XFrame xFrame)
{
bool bClosed = false;
try
{
// first try the new way: use new interface XCloseable
// It replace the deprecated XTask::close() and should be preferred ...
// if it can be queried.
XCloseable xCloseable = (XCloseable)xFrame;
if (xCloseable != null)
{
// We deliver the owner ship of this frame not to the (possible)
// source which throw a CloseVetoException. We whish to have it
// under our own control.
try
{
xCloseable.close(false);
bClosed = true;
}
catch (CloseVetoException)
{
bClosed = false;
}
}
else
{
// OK: the new way isn't possible. Try the old one.
XTask xTask = (XTask)xFrame;
if (xTask != null)
{
// return value doesn't interest here. Because
// we forget this task ...
bClosed = xTask.close();
}
}
}
catch (DisposedException)
{
// Of course - this task can be already dead - means disposed.
// But for us it's not important. Because we tried to close it too.
// And "already disposed" or "closed" should be the same ...
bClosed = true;
}
return(bClosed);
}
public static void CloseFile(XCloseable XCloseable)
{
XCloseable.close(true);
}