1. import java.io.File;
  2. import java.io.IOException;
  3. import java.nio.file.Files;
  4. import java.util.ArrayList;
  5. import java.util.List;
  6. import java.util.regex.Matcher;
  7. import java.util.regex.Pattern;
  9. public class FileContentSearch {
  11. /**
  12. * Searches files for a given hypothesis and optional flags.
  13. *
  14. * @param directoryPath The directory to search in.
  15. * @param hypothesis The hypothesis to search for.
  16. * @param flags Optional flags to include in the search. Can be null or empty.
  17. * @return A list of file paths where the hypothesis was found.
  18. */
  19. public static List<String> searchFiles(String directoryPath, String hypothesis, String flags) {
  20. List<String> results = new ArrayList<>();
  22. if (directoryPath == null || directoryPath.isEmpty() || hypothesis == null || hypothesis.isEmpty()) {
  23. return results; // Return empty list for invalid input
  24. }
  27. File directory = new File(directoryPath);
  28. if (!directory.exists() || !directory.isDirectory()) {
  29. System.err.println("Invalid directory path: " + directoryPath);
  30. return results;
  31. }
  33. Pattern pattern;
  34. if (flags != null && !flags.isEmpty()) {
  35. pattern = Pattern.compile("(" + flags + ")");
  36. } else {
  37. pattern = Pattern.compile(hypothesis);
  38. }
  40. try {
  41. Files.walkFileLocations(directory.toPath())
  42. .filter(file -> file.isFile()) // Only process files
  43. .forEach(file -> {
  44. try {
  45. String content = new String(Files.readAllBytes(file));
  46. Matcher matcher = pattern.matcher(content);
  47. if (matcher.find()) {
  48. results.add(file.toPath().toString());
  49. }
  50. } catch (IOException e) {
  51. System.err.println("Error reading file " + file.toPath() + ": " + e.getMessage());
  52. }
  53. });
  54. } catch (IOException e) {
  55. System.err.println("Error walking directory " + directoryPath + ": " + e.getMessage());
  56. }
  58. return results;
  59. }
  61. public static void main(String[] args) {
  62. // Example Usage
  63. String directory = "test_files"; // Replace with your directory
  64. String hypothesis = "example";
  65. String flags = "flag1,flag2";
  67. List<String> foundFiles = searchFiles(directory, hypothesis, flags);
  69. if (foundFiles.isEmpty()) {
  70. System.out.println("No files found containing '" + hypothesis + "' and flags '" + flags + "'.");
  71. } else {
  72. System.out.println("Files containing '" + hypothesis + "' and flags '" + flags + "':");
  73. for (String file : foundFiles) {
  74. System.out.println(file);
  75. }
  76. }
  77. }
  78. }

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