private String getFileName() {
String filename = "";
BIObject analyticalDoc;
List analyticalDrivers; // questi sono i parametri associati al doc
BIObjectParameter analyticalDriver;
String extension = "pdf";
analyticalDoc = getBiObj();
analyticalDrivers = analyticalDoc.getBiObjectParameters();
for(int i = 0; i < analyticalDrivers.size(); i++) {
analyticalDriver = (BIObjectParameter)analyticalDrivers.get(i);
String parameterUrlName = analyticalDriver.getParameterUrlName();
List values = analyticalDriver.getParameterValues();
if(!parameterUrlName.equalsIgnoreCase("outputType")) {
filename += values.get(0);
} else {
extension = "" + values.get(0);