1. import java.time.LocalDate;
  2. import java.time.format.DateTimeFormatter;
  3. import java.io.FileWriter;
  4. import java.io.IOException;
  5. import java.util.HashMap;
  6. import java.util.Map;
  7. public class DateSerializer {
  8. private static final String DATE_FORMAT = "yyyy-MM-dd"; // Define the date format
  9. private static final String FILE_NAME = "dates.txt"; // Define the file name
  10. public static void serializeDates(LocalDate[] dates) {
  11. try (FileWriter writer = new FileWriter(FILE_NAME, true)) { // Open file in append mode
  12. for (LocalDate date : dates) {
  13. String formattedDate = date.format(DateTimeFormatter.ofPattern(DATE_FORMAT)); // Format the date
  14. writer.append(formattedDate).append("\n"); // Write to file with newline
  15. }
  16. } catch (IOException e) {
  17. System.err.println("Error writing to file: " + e.getMessage());
  18. //Implement retry logic here if needed. For example:
  19. //retryWriteToFile(writer);
  20. }
  21. }
  22. //Example of retry logic. Can be expanded.
  23. private static void retryWriteToFile(FileWriter writer) throws IOException {
  24. try {
  25. // Attempt to write again
  26. serializeDates(new LocalDate[]{LocalDate.now()}); //Dummy data to retry
  27. return; //If successful, exit retry
  28. } catch (IOException e) {
  29. System.err.println("Retry failed: " + e.getMessage());
  30. // Optionally, add a delay before retrying
  31. try {
  32. Thread.sleep(1000); // Wait for 1 second
  33. } catch (InterruptedException ie) {
  34. Thread.currentThread().interrupt();
  35. }
  36. retryWriteToFile(writer); //Retry the operation
  37. }
  38. }
  39. public static void main(String[] args) {
  40. LocalDate[] dates = {LocalDate.of(2023, 10, 26), LocalDate.of(2023, 11, 15), LocalDate.of(2023, 12, 24)};
  41. serializeDates(dates);
  42. }
  43. }

Add your comment