1. import java.io.*;
  2. import java.nio.file.*;
  4. public class BinaryFileNormalizer {
  6. /**
  7. * Normalizes the data of a binary file by converting it to a byte array
  8. * and then scaling it to the range [0, 255].
  9. *
  10. * @param inputFilePath The path to the input binary file.
  11. * @param outputFilePath The path to the output normalized binary file.
  12. * @return True if normalization was successful, false otherwise.
  13. * @throws IOException If an I/O error occurs during file reading or writing.
  14. */
  15. public static boolean normalizeBinaryFile(String inputFilePath, String outputFilePath) throws IOException {
  16. try (InputStream inputStream = Files.newInputStream(Paths.get(inputFilePath));
  17. OutputStream outputStream = Files.newOutputStream(Paths.get(outputFilePath))) {
  19. byte[] fileBytes = inputStream.readAllBytes(); // Read all bytes from the input file
  21. if (fileBytes == null) {
  22. System.err.println("File is empty.");
  23. return false;
  24. }
  26. // Normalize the byte array to the range [0, 255]
  27. for (int i = 0; i < fileBytes.length; i++) {
  28. fileBytes[i] = Math.min(255, Math.max(0, fileBytes[i])); // Clamp values to [0, 255]
  29. }
  31. outputStream.write(fileBytes); // Write the normalized byte array to the output file
  32. return true;
  34. } catch (IOException e) {
  35. System.err.println("Error normalizing file: " + e.getMessage());
  36. return false;
  37. }
  38. }
  40. public static void main(String[] args) {
  41. if (args.length != 2) {
  42. System.out.println("Usage: java BinaryFileNormalizer <input_file_path> <output_file_path>");
  43. return;
  44. }
  45. String inputFilePath = args[0];
  46. String outputFilePath = args[1];
  48. try {
  49. boolean success = normalizeBinaryFile(inputFilePath, outputFilePath);
  50. if (success) {
  51. System.out.println("File normalization successful.");
  52. } else {
  53. System.out.println("File normalization failed.");
  54. }
  55. } catch (IOException e) {
  56. System.err.println("An error occurred: " + e.getMessage());
  57. }
  58. }
  59. }

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