1. import java.io.IOException;
  2. import java.util.HashMap;
  3. import java.util.Map;
  5. public class ApiPayloadMetrics {
  7. // Class to store API payload metrics
  8. public static class Metrics {
  9. private long totalRequests;
  10. private long totalBytesSent;
  11. private Map<String, Integer> statusCodes; // Track status code counts
  12. private Map<String, Long> responseTimes; // Track response times for each endpoint
  14. public void incrementTotalRequests() {
  15. totalRequests++;
  16. }
  18. public void addBytesSent(long bytes) {
  19. totalBytesSent += bytes;
  20. }
  22. public void incrementStatusCode(String statusCode) {
  23. statusCodes.put(statusCode, statusCodes.getOrDefault(statusCode, 0) + 1);
  24. }
  26. public void recordResponseTime(String endpoint, long responseTime) {
  27. responseTimes.put(endpoint, responseTime);
  28. }
  30. // Getters for metrics (for reporting/analysis)
  31. public long getTotalRequests() {
  32. return totalRequests;
  33. }
  35. public long getTotalBytesSent() {
  36. return totalBytesSent;
  37. }
  39. public Map<String, Integer> getStatusCodes() {
  40. return statusCodes;
  41. }
  43. public Map<String, Long> getResponseTimes() {
  44. return responseTimes;
  45. }
  46. }
  49. // Method to collect metrics for a single API call
  50. public static Metrics collectMetrics(String endpoint, long bytesSent, int statusCode, long responseTime) {
  51. Metrics metrics = new Metrics();
  53. metrics.incrementTotalRequests();
  54. metrics.addBytesSent(bytesSent);
  55. metrics.incrementStatusCode(String.valueOf(statusCode)); // Convert int to string for map key
  56. metrics.recordResponseTime(endpoint, responseTime);
  58. return metrics;
  59. }
  62. public static void main(String[] args) throws IOException {
  63. //Example Usage
  64. Metrics metrics = collectMetrics("GET /users", 1024, 200, 150);
  65. System.out.println("Total Requests: " + metrics.getTotalRequests());
  66. System.out.println("Total Bytes Sent: " + metrics.getTotalBytesSent());
  67. System.out.println("Status Codes: " + metrics.getStatusCodes());
  68. System.out.println("Response Times: " + metrics.getResponseTimes());
  69. }
  70. }

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