odk/examples/DevelopersGuide/Drawing/GraphicExportDemo.java

   1 /*************************************************************************
   2  *
   3  *  $RCSfile: GraphicExportDemo.java,v $
   4  *
   5  *  $Revision: 1.5 $
   6  *
   7  *  last change: $Author: rt $ $Date: 2005-01-31 16:22:52 $
   8  *
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  10  *  the BSD license.
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  12  *  Copyright (c) 2003 by Sun Microsystems, Inc.
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  40
  41 // __________ Imports __________
  42
  43 import com.sun.star.uno.UnoRuntime;
  44 import com.sun.star.lang.XComponent;
  45
  46 import com.sun.star.beans.PropertyValue;
  47
  48 import com.sun.star.document.XExporter;
  49 import com.sun.star.document.XFilter;
  50
  51 import com.sun.star.drawing.XDrawPage;
  52
  53 // __________ Implementation __________
  54
  55 /** text demo
  56     @author Sven Jacobi
  57  */
  58
  59 public class GraphicExportDemo
  60 {
  61     public static void main( String args[] )
  62     {
  63         if ( args.length < 3 )
  64         {
  65             System.out.println( "usage: GraphicExportDemo SourceURL DestinationURL PageIndexToExport" );
  66             System.exit(1);
  67         }
  68
  69         XComponent xComponent = null;
  70         try
  71         {
  72             // get the remote office context of a running office (a new office
  73             // instance is started if necessary)
  74             com.sun.star.uno.XComponentContext xOfficeContext = Helper.connect();
  75
  76             // suppress Presentation Autopilot when opening the document
  77             // properties are the same as described for
  78             // com.sun.star.document.MediaDescriptor
  79             PropertyValue[] pPropValues = new PropertyValue[ 1 ];
  80             pPropValues[ 0 ] = new PropertyValue();
  81             pPropValues[ 0 ].Name = "Silent";
  82             pPropValues[ 0 ].Value = new Boolean( true );
  83
  84             java.io.File sourceFile = new java.io.File(args[0]);
  85             StringBuffer sUrl = new StringBuffer("file:///");
  86             sUrl.append(sourceFile.getCanonicalPath().replace('\\', '/'));
  87
  88             xComponent = Helper.createDocument( xOfficeContext,
  89                                                 sUrl.toString(), "_blank", 0,
  90                                                 pPropValues );
  91
  92             Object GraphicExportFilter =
  93                 xOfficeContext.getServiceManager().createInstanceWithContext(
  94                     "com.sun.star.drawing.GraphicExportFilter", xOfficeContext);
  95             XExporter xExporter = (XExporter)
  96                 UnoRuntime.queryInterface( XExporter.class, GraphicExportFilter );
  97
  98             PropertyValue aProps[] = new PropertyValue[2];
  99             aProps[0] = new PropertyValue();
 100             aProps[0].Name = "MediaType";
 101             aProps[0].Value = "image/gif";
 102
 103             /* some graphics e.g. the Windows Metafile does not have a Media Type,
 104                for this case
 105                aProps[0].Name = "FilterName"; // it is possible to set a FilterName
 106                aProps[0].Value = "WMF";
 107             */
 108             java.io.File destFile = new java.io.File(args[1]);
 109             java.net.URL destUrl = destFile.toURL();
 110
 111             aProps[1] = new PropertyValue();
 112             aProps[1].Name = "URL";
 113             aProps[1].Value = destUrl.toString();//args[ 1 ];
 114
 115             int nPageIndex = Integer.parseInt( args[ 2 ] );
 116             if ( nPageIndex < PageHelper.getDrawPageCount( xComponent ) &&
 117                  nPageIndex > 1 )
 118             {
 119                 XDrawPage xPage = PageHelper.getDrawPageByIndex( xComponent,
 120                                                                  nPageIndex );
 121                 XComponent xComp = (XComponent)
 122                     UnoRuntime.queryInterface( XComponent.class, xPage );
 123                 xExporter.setSourceDocument( xComp );
 124                 XFilter xFilter = (XFilter)
 125                     UnoRuntime.queryInterface( XFilter.class, xExporter );
 126                 xFilter.filter( aProps );
 127                 System.out.println( "*** graphics on page \"" + nPageIndex
 128                                     + "\" from file \"" + args[0]
 129                                     + "\" exported under the name \""
 130                                     + args[1] + "\" in the local directory" );
 131             } else
 132             {
 133                 System.out.println( "page index not in range" );
 134             }
 135
 136
 137             // close the document
 138             com.sun.star.util.XCloseable xCloseable = (com.sun.star.util.XCloseable)
 139                 UnoRuntime.queryInterface(com.sun.star.util.XCloseable.class,
 140                                           xComponent);
 141
 142             if (xCloseable != null )
 143                 xCloseable.close(false);
 144             else
 145                 xComponent.dispose();
 146
 147             System.out.println("*** document closed!");
 148
 149         }
 150         catch( Exception ex )
 151         {
 152             System.out.println( ex );
 153         }
 154
 155         System.exit( 0 );
 156     }
 157 }
 158