Source code for odt2pdf.cs

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using unoidl.com.sun.star.beans;

using unoidl.com.sun.star.frame;

using unoidl.com.sun.star.lang;

using unoidl.com.sun.star.uno;

namespace RobvanderWoude

{

	class ODT2PDF

	{

		static readonly string progver = "1.02";

		static int Main( string[] args )

		{

			string fileIn, fileOut;

			#region Command Line Arguments

			if ( args.Length == 0 || args.Length > 2 || args.Contains( "/?" ) )

			{

				return ShowHelp( );

			}

			fileIn = Path.GetFullPath( args[0] );

			if ( !Path.GetExtension( fileIn ).Equals( ".odt", StringComparison.OrdinalIgnoreCase ) )

			{

				return ShowHelp( "Invalid input file type/extension" );

			}

			if ( !File.Exists( fileIn ) )

			{

				return ShowHelp( "Input file does not exist" );

			}

			if ( !Directory.GetParent( fileIn ).Exists )

			{

				return ShowHelp( "Parent folder of input file does not exist" );

			}

			if ( args.Length == 2 )

			{

				fileOut = Path.GetFullPath( args[1] );

				if ( !Directory.GetParent( fileOut ).Exists )

				{

					return ShowHelp( "Parent folder of output file does not exist" );

				}

			}

			else

			{

				fileOut = Path.Combine( Path.GetDirectoryName( fileIn ), Path.GetFileNameWithoutExtension( fileIn ) + ".pdf" );

			}

			#endregion Command Line Arguments

			#region Requirements

			if ( typeof( XComponentContext ) == null )

			{

				return ShowHelp( "OpenOffice/LibreOffice SDK was not found." );

			}

			#endregion Requirements

			bool success = SaveOdtAsPdf( fileIn, fileOut );

			if ( !success )

			{

				return ShowHelp( "Could not convert and save the file" );

			}

			return 0;

		}

		static bool SaveOdtAsPdf( string fileIn, string fileOut )

		{

			try

			{

				// The main functionality uses OpenOffice's UNO components

				// http://en.wikipedia.org/wiki/Universal_Network_Objects

				string urlIn = "file:///" + Path.GetFullPath( fileIn ).Replace( "\\", "/" );

				string urlOut = "file:///" + Path.GetFullPath( fileOut ).Replace( "\\", "/" );

				XComponentContext unoBootstrap = uno.util.Bootstrap.bootstrap( );

				XMultiServiceFactory unoServiceMan = (XMultiServiceFactory)unoBootstrap.getServiceManager( );

				XComponentLoader unoDesk = (XComponentLoader)unoServiceMan.createInstance( "com.sun.star.frame.Desktop" );

				PropertyValue[] inputProperties = new PropertyValue[1];

				inputProperties[0] = new PropertyValue( );

				inputProperties[0].Name = "Hidden";

				inputProperties[0].Value = new uno.Any( true );

				XComponent unoDoc = unoDesk.loadComponentFromURL( urlIn, "_blank", 0, inputProperties );

				PropertyValue[] outputProperties = new PropertyValue[1];

				outputProperties[0] = new PropertyValue( );

				outputProperties[0].Name = "FilterName";

				outputProperties[0].Value = new uno.Any( "writer_pdf_Export" );

				( (XStorable)unoDoc ).storeToURL( urlOut, outputProperties );

				( (XComponent)unoDoc ).dispose( );

				unoDoc = null;

				return true;

			}

			catch ( unoidl.com.sun.star.uno.Exception )

			{

				return false;

			}

		}

		#region Error Handling

		public static int ShowHelp( params string[] errmsg )

		{

			#region Error Message

			if ( errmsg.Length > 0 )

			{

				List<string> errargs = new List<string>( errmsg );

				errargs.RemoveAt( 0 );

				Console.Error.WriteLine( );

				Console.ForegroundColor = ConsoleColor.Red;

				Console.Error.Write( "ERROR:\t" );

				Console.ForegroundColor = ConsoleColor.White;

				Console.Error.WriteLine( errmsg[0], errargs.ToArray( ) );

				Console.ResetColor( );

			}

			#endregion Error Message

			#region Help Text

			/*

			ODT2PDF,  Version 1.02

			Save LibreOffice/OpenOffice Writer files as PDF

			Usage:    ODT2PDF  inputfile.odt  [ outputfile.pdf ]

			Where:    inputfile.odt    is the LibreOffice/OpenOffice file to be saved as PDF

			          outputfile.pdf   is the path of the output PDF file

			                           (default: name and parent folder of inputfile)

			Notes:    Requires LibreOffice or OpenOffice, its SDK and a Java runtime.

			          Tested with LibreOffice 24.8.0.3 and Java 22.0.1+8-16.

			          Return code ("Errorlevel") 1 in case of errors, otherwise 0.

			Written by Rob van der Woude

			https://www.robvanderwoude.com

			*/

			#endregion Help Text

			#region Display Help Text

			Console.Error.WriteLine( );

			Console.Error.WriteLine( "ODT2PDF,  Version {0}", progver );

			Console.Error.WriteLine( "Save LibreOffice/OpenOffice Writer files as PDF" );

			Console.Error.WriteLine( );

			Console.Error.Write( "Usage:    " );

			Console.ForegroundColor = ConsoleColor.White;

			Console.Error.WriteLine( "ODT2PDF  inputfile.odt  [ outputfile.pdf ]" );

			Console.ResetColor( );

			Console.Error.WriteLine( );

			Console.Error.Write( "Where:    " );

			Console.ForegroundColor = ConsoleColor.White;

			Console.Error.Write( "inputfile.odt" );

			Console.ResetColor( );

			Console.Error.WriteLine( "    is the LibreOffice/OpenOffice file to be saved as PDF" );

			Console.ForegroundColor = ConsoleColor.White;

			Console.Error.Write( "          outputfile.pdf" );

			Console.ResetColor( );

			Console.Error.WriteLine( "   is the path of the output PDF file" );

			Console.Error.WriteLine( "                           (default: name and parent folder of inputfile)" );

			Console.Error.WriteLine( );

			Console.Error.WriteLine( "Notes:    Requires LibreOffice or OpenOffice, its SDK and a Java runtime." );

			Console.Error.WriteLine( "          Tested with LibreOffice 24.8.0.3 and Java 22.0.1+8-16." );

			Console.Error.WriteLine( "          Return code (\"Errorlevel\") 1 in case of errors, otherwise 0." );

			Console.Error.WriteLine( );

			Console.Error.WriteLine( "Written by Rob van der Woude" );

			Console.Error.WriteLine( "https://www.robvanderwoude.com" );

			#endregion Display Help Text

			return 1;

		}

		#endregion Error Handling

	}

}