@GET
	@Produces({"application/vnd.ms-excel" })
	@Path("/{queryname}/export/xls/{format}")
	public Response getQueryExcelExport(
			@PathParam("queryname") String queryName,
			@PathParam("format") @DefaultValue("HIERARCHICAL") String format){
		if (log.isDebugEnabled()) {
			log.debug("TRACK\t"  + "\t/query/" + queryName + "/export/xls/"+format+"\tGET");
		}
		try {
		byte[] doc = olapQueryService.getExport(queryName,"xls",format);
		return Response.ok(doc, MediaType.APPLICATION_OCTET_STREAM).header(
				"content-disposition",
				"attachment; filename = saiku-export.xls").header(
				"content-length",doc.length).build();
		}
		catch (Exception e) {
			log.error("Cannot get excel for query (" + queryName + ")",e);
			return Response.serverError().build();
		}
	}