1. import java.io.File;
  2. import java.util.ArrayList;
  3. import java.util.List;
  5. public class FileBackup {
  7. public static void backupFiles(String sourceDir, String destDir) {
  8. File source = new File(sourceDir);
  9. File dest = new File(destDir);
  11. if (!source.exists()) {
  12. System.err.println("Source directory does not exist: " + sourceDir);
  13. return;
  14. }
  16. if (!dest.exists()) {
  17. if (!dest.mkdirs()) {
  18. System.err.println("Could not create destination directory: " + destDir);
  19. return;
  20. }
  21. }
  23. List<File> files = new ArrayList<>();
  24. for (File file : source.listFiles()) {
  25. files.add(file);
  26. }
  28. for (File file : files) {
  29. copyFileSynchronously(file, dest);
  30. }
  31. }
  33. private static void copyFileSynchronously(File source, File dest) {
  34. try {
  35. ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(dest));
  36. oos.write(source);
  37. oos.close();
  38. } catch (Exception e) {
  39. System.err.println("Error copying file " + source.getAbsolutePath() + ": " + e.getMessage());
  40. return;
  41. }
  42. }
  44. public static void main(String[] args) {
  45. String sourceDirectory = "source_files"; // Replace with your source directory
  46. String destinationDirectory = "backup_files"; // Replace with your destination directory
  48. // Create the source directory if it doesn't exist
  49. File source = new File(sourceDirectory);
  50. if (!source.exists()) {
  51. source.mkdirs();
  52. // Create some dummy files for testing
  53. File file1 = new File(source, "file1.txt");
  54. file1.createNewFile();
  55. File file2 = new File(source, "file2.txt");
  56. file2.createNewFile();
  57. }
  59. backupFiles(sourceDirectory, destinationDirectory);
  60. }
  61. }

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