// Set up engine config ready for engine
		EngineConfig engineConfig = new EngineConfig();
		engineConfig.setLogConfig("./birtlogs", Level.SEVERE);

		// Create a new report engine factory
		IReportEngineFactory factory = (IReportEngineFactory)Platform.createFactoryObject
							(IReportEngineFactory.EXTENSION_REPORT_ENGINE_FACTORY);

		// Create a new report engine
		IReportEngine engine = factory.createReportEngine(engineConfig);
		engine.changeLogLevel(Level.WARNING);

		try {
			// Set up the report design, attached to the report engine
			IReportRunnable reportDesign = engine.openReportDesign(rptDesignPath);
			//Get designhandle
			ReportDesignHandle reportDesignHandle = (ReportDesignHandle) reportDesign.getDesignHandle();
			ElementFactory designFactory = reportDesignHandle.getElementFactory();

			//delete exisiting data source this is to set the correct location as specified by user
			for (int i = 0; i < reportDesignHandle.getDataSources().getCount(); i++){
				if (reportDesignHandle.getDataSources().get(i).getName().equalsIgnoreCase("Data Source")){
					reportDesignHandle.getDataSources().dropAndClear(i);
				}
			}

			// ...and add in the required filename...
			OdaDataSourceHandle dsHandle = designFactory.newOdaDataSource("Data Source", "org.eclipse.datatools.enablement.oda.xml");
			dsHandle.setProperty("FILELIST", inputFilePath);

			//add the new data source to the report
			reportDesignHandle.getDataSources().add(dsHandle);

			// OK, so now we've reset the data source to point at our XML file,
			// we need to reset all the OdaDataSets (straight, not joined ones) to
			// use the new data source. It did actually have exactly the same name,
			// but when we deleted the source it upset them all and they forgot it.
			List<DataSetHandle> dataSets = reportDesignHandle.getAllDataSets();
			for (DataSetHandle dSetHandle : dataSets){
				if (dSetHandle instanceof OdaDataSetHandle){
					dSetHandle.setDataSource("Data Source");
				}
			}

			// Create the task ready for running and rendering the report now
			IRunAndRenderTask task = engine.createRunAndRenderTask(reportDesign);
			task.getAppContext().put(EngineConstants.APPCONTEXT_CLASSLOADER_KEY , RunBirt.class.getClassLoader());

			RenderOption options = new RenderOption();
			options.setOption(IPDFRenderOption.PDF_HYPHENATION, true);

			//run the task
			options.setOutputFileName(outputFilePath);

			//set the output format
			//but postscript does not follow
			//the same as the others so have to change this.
			if (mimeConstantSelected.equalsIgnoreCase("ps")){
				options.setOutputFormat("postscript");
			} else {
				options.setOutputFormat(mimeConstantSelected);
			}

			//set the render options
			task.setRenderOption(options);

			//run the task
			task.run();

			//if errors in task
			if (task.getErrors().size() > 0) {
				MessageDialog.openError(null, "BIRT", task.getErrors().toString());
			}


			//tidy
			task.close();
			engine.destroy();

		} catch(Exception e){
			//tidy up
			engine.destroy();
			//throw error
			throw new Exception(e.getMessage());
		}