1. import java.io.*;
  2. import java.util.concurrent.atomic.AtomicInteger;
  4. public class ConfigGuard {
  6. private static final int MAX_REQUESTS = 10; // Maximum number of requests allowed per time window
  7. private static final long TIME_WINDOW_MS = 60000; // Time window in milliseconds (e.g., 60 seconds)
  8. private static final AtomicInteger requestCount = new AtomicInteger(0);
  9. private static final Object lock = new Object();
  11. public static boolean isAllowed() {
  12. synchronized (lock) {
  13. if (requestCount.get() >= MAX_REQUESTS) {
  14. return false; // Rate limit exceeded
  15. }
  17. requestCount.incrementAndGet();
  18. return true; // Request allowed
  19. }
  20. }
  22. public static void resetCount() {
  23. synchronized (lock) {
  24. requestCount.set(0);
  25. }
  26. }
  28. public static void main(String[] args) throws IOException {
  29. // Example Usage (Simulate reading a configuration file)
  30. if (isAllowed()) {
  31. System.out.println("Accessing configuration file...");
  32. // Simulate reading from a config file
  33. try (BufferedReader reader = new BufferedReader(new FileReader("config.properties"))) {
  34. String line;
  35. while ((line = reader.readLine()) != null) {
  36. System.out.println("Line: " + line);
  37. }
  38. } catch (IOException e) {
  39. System.err.println("Error reading config file: " + e.getMessage());
  40. }
  42. resetCount(); // Reset count after successful access
  43. } else {
  44. System.out.println("Rate limit exceeded. Access denied.");
  45. }
  46. }
  47. }

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