public RuleBase loadRulesFromExcelDecisionTable(String fileName,
String drlPathTmp) throws RpException {
try {
SpreadsheetCompiler converter = new SpreadsheetCompiler();
// get the file exists (via file or classpath)
InputStream iStream = getFileIfExists(excelFileLocation);
// null check
if (iStream == null) {
return null;
}
// Compile the rules
String drl = converter.compile(iStream, InputType.XLS);
if (drl != null) {
PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(new StringReader(drl));