import com.opencsv.CSVReader;
import com.opencsv.ICSVParser;
import com.opencsv.validators.FieldValidator;
import com.opencsv.validators.validators.StringValidator;
import java.io.FileReader;
import java.io.IOException;
public class CSVValidatorExample {
private static final String CSV_FILE_PATH = "path/to/csv/file.csv";
public static void main(String[] args) {
try (CSVReader reader = new CSVReader(new FileReader(CSV_FILE_PATH), ICSVParser.DEFAULT_SEPARATOR,
ICSVParser.DEFAULT_QUOTE_CHARACTER, ICSVParser.DEFAULT_ESCAPE_CHARACTER, 1)) {
FieldValidator<String> nameValidator = new StringValidator("Name", true, 1, 50);
FieldValidator<Integer> ageValidator = new FieldValidator<Integer>("Age", true, 1, 100);
String[] line;
while ((line = reader.readNext()) != null) {
if (!nameValidator.isValid(line[0])) {
System.out.println("Invalid Name: " + line[0]);
}
if (!ageValidator.isValid(line[1])) {
System.out.println("Invalid Age: " + line[1]);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
