Bug 209464 Drill-through link should pass svg parameter value[0002]
Description: Drill-through link should pass svg parameter value Build number:2.3.0.v20071112 Steps to reproduce: 1. Insert a chart. 2. Define drill-through link in chart interactivity which link to the current report. 3. In preference, enable svg. 4. Preview and click the link. Expected result: Display chart with same type after drill-through link Actual result: In preview page, chart is svg chart.After drill-through link, the same chart in the linked page has gray background which means the chart is converted to non-svg image. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
* @throws BirtException
	 * 
	 */
	public synchronized static void initEngineInstance(
			ServletConfig servletConfig ) throws BirtException
	{
		initEngineInstance( servletConfig.getServletContext( ) );
	}
	/**
	 * Get engine instance.
	 * 
	 * @param servletContext
	 * @throws BirtException
	 * 
	 */
	public synchronized static void initEngineInstance(
			ServletContext servletContext ) throws BirtException
	{
		if ( ReportEngineService.instance != null )
		{
			return;
		}
		ReportEngineService.instance = new ReportEngineService( servletContext );
	}
	/**
	 * Get all the files under the specified folder (including all the files
	 * under sub-folders)
	 * 
	 * @param dir -
	 *            the folder to look into