Bug 166307 Thai font in csv/excel export
I run birt-viewer 2.1.1 and export data to csv format, birt can generate correct but in field of thai font birt display font that cannot understand. I need to fix this ploblem quickly to close my project, please anyone help me. Thanks you very much for your solution. Sudhlo
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
* @param request
	 * @return document name.
	 */
	protected static String generateDocumentFromReport(
			HttpServletRequest request )
	{
		String fileName = getReport( request );
		if ( fileName.indexOf( '.' ) >= 0 )
		{
			fileName = fileName.substring( 0, fileName.lastIndexOf( '.' ) );
		}
		
		String id = getParameter( request, PARAM_ID );
		if ( id != null && id.length( ) > 0 )
		{
			fileName = fileName + id + SUFFIX_REPORT_DOCUMENT;
		}
		else
		{
			fileName = fileName + SUFFIX_REPORT_DOCUMENT;
		}
		return fileName;
	}
	/**
	 * Get named parameter from http request. parameter names and values are all
	 * in iso-8859-1 format in request.
	 * 
	 * @param request
	 *            incoming http request
	 * @param parameterName