code: public static String geometryToWkt(Geometry geometry, int exportFlags) {
  		OperatorExportToWkt op = (OperatorExportToWkt) factory
  				.getOperator(Operator.Type.ExportToWkt);
  		return op.execute(exportFlags, geometry, null);
  	}
docs: Exports a geometry to a string in WKT format.
  
  See OperatorExportToWkt.
  
  @param geometry The geometry to export. (null value is not allowed)
  @param exportFlags Use the {@link WktExportFlags} interface.
  @return A String containing the exported geometry in WKT format.