1. import java.util.HashMap;
  2. import java.util.Map;
  3. import java.util.Scanner;
  5. public class HtmlMapper {
  7. public static void main(String[] args) {
  8. Scanner scanner = new Scanner(System.in);
  10. System.out.println("Enter the HTML document path:");
  11. String htmlPath = scanner.nextLine();
  13. Map<String, String> fieldMapping = mapFields(); // Load field mapping
  15. if (fieldMapping == null) {
  16. System.out.println("No field mapping defined. Exiting.");
  17. return;
  18. }
  20. processHtml(htmlPath, fieldMapping);
  21. scanner.close();
  22. }
  24. public static Map<String, String> mapFields() {
  25. // In a real application, this could load from a file, database, or other source.
  26. Map<String, String> mapping = new HashMap<>();
  27. mapping.put("id", "documentId");
  28. mapping.put("class", "documentClass");
  29. mapping.put("name", "documentName");
  30. mapping.put("title", "documentTitle");
  31. return mapping;
  32. }
  35. public static void processHtml(String htmlPath, Map<String, String> fieldMapping) {
  36. // Simulate HTML parsing and field extraction. Replace with actual HTML parsing logic.
  37. // This is a placeholder.
  39. try {
  40. // Simulate reading the HTML content
  41. String htmlContent = readHtmlContent(htmlPath);
  43. // Extract field values (replace with actual extraction logic)
  44. Map<String, String> extractedFields = extractFields(htmlContent, fieldMapping);
  46. // Print the extracted fields
  47. System.out.println("\nExtracted Fields:");
  48. for (Map.Entry<String, String> entry : extractedFields.entrySet()) {
  49. System.out.println(entry.getKey() + ": " + entry.getValue());
  50. }
  52. } catch (Exception e) {
  53. System.err.println("Error processing HTML: " + e.getMessage());
  54. }
  55. }
  57. //Simulate reading HTML content
  58. private static String readHtmlContent(String filePath) throws Exception{
  59. //Replace with actual file reading
  60. return "<html><head><title>Example Document</title></head><body id=\"example\" class=\"main\"><h1>Document Title</h1><p name=\"description\">This is a example document.</p><p title=\"More info\">Some details.</p></body></html>";
  61. }
  63. //Simulate extracting fields
  64. private static Map<String, String> extractFields(String html, Map<String, String> fieldMapping) {
  65. Map<String, String> extracted = new HashMap<>();
  66. for (Map.Entry<String, String> entry : fieldMapping.entrySet()) {
  67. String fieldName = entry.getKey();
  68. String xpath = entry.getValue();
  70. //Very basic simulation: find the first occurrence of the field in the HTML.
  71. //Replace with proper xpath/regex parsing
  72. if(html.contains(fieldName)){
  73. extracted.put(fieldName, fieldName); //Placeholder - actual value extraction would be needed
  74. } else {
  75. extracted.put(fieldName, "Not Found");
  76. }
  78. }
  79. return extracted;
  81. }
  82. }

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