question: public static void writeAsSVG ( Drawable drawable , int w , int h , File file ) { if ( ! ExportUtils . isJFreeSVGAvailable ( ) ) { throw new IllegalStateException ( "JFreeSVG is not present on the classpath." ) ; } ParamChecks . nullNotPermitted ( drawable , "drawable" ) ; ParamChecks . nullNotPermitted ( file , "file" ) ; try { Class < ? > svg2Class = Class . forName ( "org.jfree.graphics2d.svg.SVGGraphics2D" ) ; Constructor < ? > c1 = svg2Class . getConstructor ( int . class , int . class ) ; Graphics2D svg2 = ( Graphics2D ) c1 . newInstance ( w , h ) ; Rectangle2D drawArea = new Rectangle2D . Double ( 0 , 0 , w , h ) ; drawable . draw ( svg2 , drawArea ) ; Class < ? > svgUtilsClass = Class . forName ( "org.jfree.graphics2d.svg.SVGUtils" ) ; Method m1 = svg2Class . getMethod ( "getSVGElement" , ( Class [ ] ) null ) ; String element = ( String ) m1 . invoke ( svg2 , ( Object [ ] ) null ) ; Method m2 = svgUtilsClass . getMethod ( "writeToSVG" , File . class , String . class ) ; m2 . invoke ( svgUtilsClass , file , element ) ; } catch ( ClassNotFoundException ex ) { throw new RuntimeException ( ex ) ; } catch ( InstantiationException ex ) { throw new RuntimeException ( ex ) ; } catch ( IllegalAccessException ex ) { throw new RuntimeException ( ex ) ; } catch ( NoSuchMethodException ex ) { throw new RuntimeException ( ex ) ; } catch ( SecurityException ex ) { throw new RuntimeException ( ex ) ; } catch ( IllegalArgumentException ex ) { throw new RuntimeException ( ex ) ; } catch ( InvocationTargetException ex ) { throw new RuntimeException ( ex ) ; } }
target:  Writes the current content to the specified file in SVG format.  This  will only work when the JFreeSVG library is found on the classpath. Reflection is used to ensure there is no compile-time dependency on JFreeSVG.