@Override
public void writeDataset(UsersDataset usersDataset, String fileName) throws IOException {
String fileNameWithExtension = fileName;
if (!fileNameWithExtension.endsWith(".csv")) {
fileNameWithExtension = fileNameWithExtension + "." + CSV_EXTENSION;
}
StringBuilder stringBuilder = new StringBuilder();
Feature[] features = usersDataset.getFeatures();
stringBuilder.append(ID_ITEM_COLUMN_NAME).append(columnDelimiter);
stringBuilder.append(ITEM_NAME_COLUMN_NAME);
for (Feature userFeature : features) {
String extendedName = userFeature.getExtendedName();
stringBuilder
.append(columnDelimiter)
.append(stringDelimiter)
.append(extendedName)
.append(stringDelimiter);
}
stringBuilder.append(registerDelimiter);
for (User user : usersDataset) {
int idUser = user.getId();
StringBuilder linea = new StringBuilder();
// Escribir el id y el nombre
linea
.append(idUser)
.append(columnDelimiter)
.append(stringDelimiter)
.append(user.getName())
.append(stringDelimiter);
for (Feature userFeature : features) {
Object featureValue = user.getFeatureValue(userFeature);
String featureValueString = userFeature.getType().featureValueToString(featureValue);
linea.append(columnDelimiter).append(featureValueString);
}
linea.append(registerDelimiter);
stringBuilder.append(linea.toString());
}
BufferedWriter bufferedWriter =
new BufferedWriter(new FileWriter(new File(fileNameWithExtension)));
bufferedWriter.write(stringBuilder.toString());
bufferedWriter.flush();
bufferedWriter.close();
}
