1. import java.io.File;
  2. import java.io.IOException;
  3. import java.nio.file.Files;
  4. import java.nio.file.Path;
  5. import java.nio.file.Paths;
  6. import java.util.HashMap;
  7. import java.util.Map;
  9. public class BinaryFileMetadata {
  11. public static void main(String[] args) {
  12. // Example usage:
  13. File file = new File("example.bin"); // Replace with your binary file
  14. if (file.exists()) {
  15. Map<String, Object> metadata = getMetadata(file);
  16. System.out.println(metadata);
  17. } else {
  18. System.out.println("File not found.");
  19. }
  20. }
  22. public static Map<String, Object> getMetadata(File file) {
  23. Map<String, Object> metadata = new HashMap<>();
  25. try {
  26. metadata.put("file_name", file.getName());
  27. metadata.put("file_path", file.getAbsolutePath());
  28. metadata.put("file_size_bytes", file.length());
  29. metadata.put("last_modified", file.lastModified());
  31. // Check if the file is empty
  32. metadata.put("is_empty", file.length() == 0);
  34. //Basic file type detection based on extension (can be improved)
  35. String extension = file.substring(file.getName().lastIndexOf(".")).toLowerCase();
  36. metadata.put("file_extension", extension);
  38. // Example: Check if it's a readable file
  39. metadata.put("is_readable", Files.isReadable(Paths.get(file.getAbsolutePath())));
  42. } catch (IOException e) {
  43. System.err.println("Error getting metadata: " + e.getMessage());
  44. }
  46. return metadata;
  47. }
  48. }

Add your comment