Bug 180431 Exported files from Export Report have no extension name.[0002]
Description: Exported files from Export Report have no extension name. Build number:2.2.0.v20070402 Steps to reproduce: 1. New a report. 2. Preview in Web Viewer. 3. Click Export Report. 4. Select any kind of format and click OK. 5. Save the report intead of open it. 6. Check the saved file. Expected result: If I choose PDF, the file name should be like "new_report_1.pdf" Actual result: The file name is new_report without extension name. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
*            http request
	 * @return is get image or not
	 */
	public static boolean isGetImageOperator( HttpServletRequest request )
	{
		String imageName = getParameter( request, PARAM_IMAGEID );
		return imageName != null && imageName.length( ) > 0;
	}
	/**
	 * Check whether the request is to get reportlet.
	 * 
	 * @param request
	 *            http request
	 * @return is get reportlet or not
	 */
	public static boolean isGetReportlet( HttpServletRequest request )
	{
		return isBookmarkReportlet( request ) || isIidReportlet( request );
	}
	/**
	 * if the PARAM_ISREPORTLET is trure and the PARAM_BOOKMARK is not null,
	 * this method will return true. Otherwise, return false.
	 * 
	 * @param request
	 * @return true for render the reportlet based on bookmark, else, false.
	 */
	public static boolean isBookmarkReportlet( HttpServletRequest request )
	{
		if ( "true" 
		.equalsIgnoreCase( getParameter( request, PARAM_ISREPORTLET ) ) )