1. import java.util.HashMap;
  2. import java.util.Map;
  3. import java.io.BufferedReader;
  4. import java.io.FileReader;
  5. import java.io.IOException;
  7. public class TimestampConfigReader {
  9. private static final String DEFAULT_TIMESTAMP_FORMAT = "yyyy-MM-dd HH:mm:ss.SSS";
  11. public static Map<String, String> readTimestampConfig(String configFilePath) throws IOException {
  12. Map<String, String> timestampConfig = new HashMap<>();
  14. try (BufferedReader reader = new BufferedReader(new FileReader(configFilePath))) {
  15. String line;
  16. while ((line = reader.readLine()) != null) {
  17. line = line.trim(); // Remove leading/trailing whitespace
  19. // Skip empty lines and comments
  20. if (line.isEmpty() || line.startsWith("#")) {
  21. continue;
  22. }
  24. // Parse the line. Assumes key=value format.
  25. String[] parts = line.split("=", 2); //Split into key and value
  26. if (parts.length == 2) {
  27. String key = parts[0].trim();
  28. String value = parts[1].trim();
  29. timestampConfig.put(key, value);
  30. } else {
  31. System.err.println("Invalid line format: " + line); //Log errors
  32. }
  33. }
  34. } catch (IOException e) {
  35. System.err.println("Error reading config file: " + e.getMessage());
  36. throw e; //Re-throw exception
  37. }
  39. //Apply default timestamp format if not specified
  40. if (!timestampConfig.containsKey("timestamp_format")) {
  41. timestampConfig.put("timestamp_format", DEFAULT_TIMESTAMP_FORMAT);
  42. }
  43. return timestampConfig;
  44. }
  46. public static void main(String[] args) {
  47. try {
  48. //Example usage:
  49. Map<String, String> config = readTimestampConfig("timestamp_config.txt");
  50. System.out.println(config);
  52. } catch (IOException e) {
  53. e.printStackTrace();
  54. }
  55. }
  56. }

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