1. import org.json.JSONArray;
  2. import org.json.JSONObject;
  4. public class ApiFormatter {
  6. public static void formatApiResponse(String jsonString) {
  7. try {
  8. JSONObject jsonObject = new JSONObject(jsonString);
  10. // Print the entire JSON object
  11. System.out.println("--- Raw JSON ---");
  12. System.out.println(jsonObject.toString(2)); // Use 2 spaces for indentation
  13. System.out.println("------------------");
  15. // Iterate through the JSON object and print key-value pairs
  16. for (String key : jsonObject.keySet()) {
  17. Object value = jsonObject.get(key);
  19. System.out.printf("Key: %s\n", key); // Print the key
  20. if (value instanceof JSONObject) {
  21. System.out.println(" Nested JSON:");
  22. System.out.println(formatApiResponse(value.toString())); // Recursive call for nested objects
  23. } else if (value instanceof JSONArray) {
  24. System.out.println(" JSON Array:");
  25. JSONArray jsonArray = (JSONArray) value;
  26. for (int i = 0; i < jsonArray.length(); i++) {
  27. Object arrayValue = jsonArray.get(i);
  28. System.out.printf(" Element %d: %s\n", i, arrayValue);
  29. if (arrayValue instanceof JSONObject) {
  30. System.out.println(" Nested JSON:");
  31. System.out.println(formatApiResponse(arrayValue.toString()));
  32. } else if (arrayValue instanceof JSONArray) {
  33. System.out.println(" Nested Array:");
  34. System.out.println(formatApiResponse(arrayValue.toString()));
  35. } else {
  36. System.out.printf(" Value: %s\n", arrayValue);
  37. }
  38. }
  39. } else {
  40. System.out.printf(" Value: %s\n", value); // Print primitive values
  41. }
  42. }
  44. } catch (Exception e) {
  45. System.err.println("Error processing JSON: " + e.getMessage());
  46. }
  47. }
  49. public static void main(String[] args) {
  50. // Example usage:
  51. String jsonResponse = "{\"name\": \"John Doe\", \"age\": 30, \"city\": \"New York\", \"address\": {\"street\": \"123 Main St\", \"zip\": \"10001\"}, \"hobbies\": [\"reading\", \"hiking\"]}";
  52. formatApiResponse(jsonResponse);
  53. }
  54. }

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