1. import java.util.ArrayList;
  2. import java.util.List;
  4. public class DOMAnomalyChecker {
  6. /**
  7. * Checks DOM elements for basic anomalies.
  8. * @param element The DOM element to check.
  9. * @return True if anomalies are found, false otherwise.
  10. */
  11. public static boolean checkAnomaly(Object element) {
  12. if (element == null) {
  13. System.err.println("Anomaly: Element is null."); // Log the anomaly
  14. return true;
  15. }
  17. if (!(element instanceof HTMLElement)) {
  18. System.err.println("Anomaly: Element is not an HTMLElement."); // Log the anomaly
  19. return true;
  20. }
  22. HTMLElement htmlElement = (HTMLElement) element;
  24. // Check for empty tag
  25. if (htmlElement.hasChildNodes() == false) {
  26. System.err.println("Anomaly: Element is empty."); // Log the anomaly
  27. return true;
  28. }
  30. // Check for excessive attributes (basic sanity)
  31. if (htmlElement.attributes().getLength() > 100) {
  32. System.err.println("Anomaly: Element has a very high number of attributes."); // Log the anomaly
  33. return true;
  34. }
  36. return false;
  37. }
  39. // Define a placeholder for HTMLElement. Replace with your actual HTMLElement class.
  40. public interface HTMLElement {
  41. List<Node> getChildNodes(); // Replace with your implementation.
  42. List<Attribute> getAttributes(); // Replace with your implementation.
  43. }
  45. public static class Node {
  46. // Placeholder for Node class. Implement as needed.
  47. }
  49. public static class Attribute {
  50. // Placeholder for Attribute class. Implement as needed.
  51. }
  53. public static void main(String[] args) {
  54. // Example usage
  55. HTMLElement element1 = new MyHTMLElement(); // Example HTMLElement
  56. HTMLElement element2 = null; // Example null element
  57. HTMLElement element3 = new MyHTMLElement(); // Example element with many attributes
  59. System.out.println("Checking element1: " + checkAnomaly(element1));
  60. System.out.println("Checking element2: " + checkAnomaly(element2));
  61. System.out.println("Checking element3: " + checkAnomaly(element3));
  62. }
  64. static class MyHTMLElement implements HTMLElement {
  65. @Override
  66. public List<Node> getChildNodes() {
  67. List<Node> nodes = new ArrayList<>();
  68. //Simulate child nodes
  69. nodes.add(new Node());
  70. nodes.add(new Node());
  71. return nodes;
  72. }
  74. @Override
  75. public List<Attribute> getAttributes() {
  76. List<Attribute> attributes = new ArrayList<>();
  77. for (int i = 0; i < 150; i++) {
  78. attributes.add(new Attribute());
  79. }
  80. return attributes;
  81. }
  82. }
  83. }

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