1. import java.io.*;
  2. import java.util.Properties;
  4. public class DataTruncator {
  6. private static final String CONFIG_FILE = "config.properties";
  7. private static int maxRecordLength = 0;
  9. public static void main(String[] args) {
  10. try {
  11. loadConfiguration();
  12. truncateData();
  13. } catch (IOException e) {
  14. System.err.println("Error: " + e.getMessage());
  15. }
  16. }
  18. private static void loadConfiguration() throws IOException {
  19. Properties props = new Properties();
  20. try (FileInputStream fis = new FileInputStream(CONFIG_FILE)) {
  21. props.load(fis);
  22. maxRecordLength = Integer.parseInt(props.getProperty("maxRecordLength"));
  23. }
  24. }
  26. private static void truncateData() throws IOException {
  27. // Simulate reading data from a source
  28. String[] data = {"This is a very long string that needs to be truncated.",
  29. "Another long string for testing the truncation.",
  30. "Short string"};
  32. for (String record : data) {
  33. if (record.length() > maxRecordLength) {
  34. String truncatedRecord = record.substring(0, maxRecordLength) + "..."; // Truncate and add ellipsis
  35. System.out.println("Original: " + record);
  36. System.out.println("Truncated: " + truncatedRecord);
  37. } else {
  38. System.out.println("Original: " + record);
  39. System.out.println("Truncated: " + record); // No truncation needed
  40. }
  41. }
  42. }
  43. }

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