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);
}
}
}
static void Main(string[] args)
{
Socket
s = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP);
string
sUnoIni = "file:///c:/OpenOffice.org%203/URE/bin/uno.ini";
XComponentContext
//xLocalContext = uno.util.Bootstrap.defaultBootstrap_InitialComponentContext(sUnoIni, null);
xLocalContext = uno.util.Bootstrap.defaultBootstrap_InitialComponentContext();
XMultiComponentFactory
xLocalServiceManager = xLocalContext.getServiceManager();
XUnoUrlResolver
xUrlResolver = (XUnoUrlResolver)xLocalServiceManager.createInstanceWithContext("com.sun.star.bridge.UnoUrlResolver", xLocalContext);
XMultiServiceFactory
xRemoteServiceManager = (XMultiServiceFactory)xUrlResolver.resolve("uno:socket,host=localhost,port=8100;urp;StarOffice.ServiceManager");
XDesktop
Desktop = (XDesktop)xRemoteServiceManager.createInstance("com.sun.star.frame.Desktop");
/*
* XDesktop
* remoteDesktop = (XDesktop)xRemoteServiceManager.createInstance("com.sun.star.frame.Desktop");
*
* XComponentLoader
* Desktop = (XComponentLoader)remoteDesktop; // (XComponentLoader)multiServiceFactory.createInstance("com.sun.star.frame.Desktop");
*
* XComponent
* Document = Desktop.loadComponentFromURL("private:factory/swriter", "_blank", 0, new unoidl.com.sun.star.beans.PropertyValue[0]);
*
* XText
* Text = ((XTextDocument)Document).getText();
*
* Text.setString("Hello I'm the first text!");
*
* XTextCursor
* Cursor = Text.createTextCursor();
*
* Text.insertString(Cursor, "Line# 1\n", false);
* Text.insertString(Cursor, "Line# 2", false);
*
* XTextTable
* Table;
*
* if ((Table = (XTextTable)multiServiceFactory.createInstance("com.sun.star.text.TextTable")) != null)
* {
* Table.initialize(2, 2);
* Text.insertTextContent(Text.getEnd(), Table, false);
* }
*
*
* unoidl.com.sun.star.beans.PropertyValue[]
* Params = new unoidl.com.sun.star.beans.PropertyValue[2];
*
* unoidl.com.sun.star.beans.PropertyValue
* Param = new unoidl.com.sun.star.beans.PropertyValue();
*
* Param.Name = "FilterName";
* Param.Value = new uno.Any("writer_pdf_Export");
* Params[0] = Param;
*
* Param = new unoidl.com.sun.star.beans.PropertyValue();
* Param.Name = "CompressionMode";
* Param.Value = new uno.Any("1");
* Params[1] = Param;
*
* string
* CurrentDirectory = System.IO.Directory.GetCurrentDirectory(),
* DocumentDestName;
*
* CurrentDirectory = CurrentDirectory.Substring(0, CurrentDirectory.LastIndexOf("bin", CurrentDirectory.Length - 1));
*
* if (File.Exists(DocumentDestName = (CurrentDirectory + "test_out.pdf")))
* File.Delete(DocumentDestName);
*
* DocumentDestName = DocumentDestName.Replace(Path.DirectorySeparatorChar, '/').Replace("#", "%23");
*
* ((XStorable)Document).storeToURL("file:///" + DocumentDestName, Params);
*/
}
