1. import java.util.List;
  3. public class URLValidator {
  5. /**
  6. * Validates a list of URLs against specified conditions.
  7. * Supports older Java versions (Java 8 and below).
  8. * @param urls The list of URLs to validate.
  9. * @param conditions A list of validation conditions. Each condition is a string.
  10. * Example: ["startsWith://", "endsWith/.html", "contains/login"]
  11. * @return true if all URLs satisfy all conditions, false otherwise.
  12. */
  13. public static boolean validateURLs(List<String> urls, List<String> conditions) {
  14. if (urls == null || conditions == null || urls.isEmpty() || conditions.isEmpty()) {
  15. return true; // Consider empty lists as valid
  16. }
  18. for (String url : urls) {
  19. boolean passesAllConditions = true;
  20. for (String condition : conditions) {
  21. if (!satisfiesCondition(url, condition)) {
  22. passesAllConditions = false;
  23. break;
  24. }
  25. }
  26. if (!passesAllConditions) {
  27. return false; // If any URL fails a condition, return false immediately
  28. }
  29. }
  31. return true; // All URLs satisfy all conditions
  32. }
  35. /**
  36. * Checks if a URL satisfies a specific condition.
  37. * @param url The URL to check.
  38. * @param condition The condition to check against (e.g., "startsWith://", "endsWith/.html").
  39. * @return true if the URL satisfies the condition, false otherwise.
  40. */
  41. private static boolean satisfiesCondition(String url, String condition) {
  42. if (condition.startsWith("startsWith:")) {
  43. String prefix = condition.substring("startsWith:".length());
  44. return url.startsWith(prefix);
  45. } else if (condition.startsWith("endsWith:")) {
  46. String suffix = condition.substring("endsWith:".length());
  47. return url.endsWith(suffix);
  48. } else if (condition.startsWith("contains:")) {
  49. String substring = condition.substring("contains:".length());
  50. return url.contains(substring);
  51. } else {
  52. return false; // Unknown condition
  53. }
  54. }
  56. public static void main(String[] args) {
  57. //Example Usage:
  58. List<String> urls = List.of("https://www.example.com", "http://example.org/page.html", "ftp://files.example.com", "example.com");
  59. List<String> conditions = List.of("startsWith://", "endsWith/.html", "contains/example");
  61. boolean isValid = validateURLs(urls, conditions);
  62. System.out.println("URLs are valid: " + isValid); // Expected: false
  65. urls = List.of("https://www.example.com", "http://example.org/page.html", "https://files.example.com/document.pdf");
  66. conditions = List.of("startsWith://", "endsWith/.html", "endsWith/.pdf");
  67. isValid = validateURLs(urls, conditions);
  68. System.out.println("URLs are valid: " + isValid); // Expected: true
  69. }
  70. }

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