Class<ICompiler> compilerClass = ruleSet.getDefaultCompiler();
if(compilerClass == null){
throw new RulesException("undefined", "Excel2XML", "No default compiler has been found." +
" We cannot convert and compile the XML without one");
}
ICompiler defaultCompiler = (ICompiler) compilerClass.newInstance();
defaultCompiler.setSession(session);
ICompiler compiler = defaultCompiler;
dtcompiler = new DTCompiler(compiler);
InputStream inDTStream = new FileInputStream(ruleSet.getFilepath()+"/"+UDTFilename);
OutputStream outDTStream = new FileOutputStream(ruleSet.getFilepath()+"/"+ruleSet.getDT_XMLName());