1. import java.util.HashMap;
  2. import java.util.Map;
  4. public class EnvironmentFilter {
  6. /**
  7. * Filters environment variables for non-production use.
  8. * @param envVars A map of environment variables.
  9. * @return A map containing only non-production environment variables.
  10. */
  11. public static Map<String, String> filterForNonProduction(Map<String, String> envVars) {
  12. Map<String, String> nonProductionVars = new HashMap<>();
  13. if (envVars == null) {
  14. return nonProductionVars; // Return empty map if input is null
  15. }
  17. for (Map.Entry<String, String> entry : envVars.entrySet()) {
  18. String key = entry.getKey();
  19. String value = entry.getValue();
  21. // Define non-production environment variable prefixes. Extend as needed.
  22. if (key.startsWith("dev_") || key.startsWith("local_") || key.startsWith("test_")) {
  23. nonProductionVars.put(key, value);
  24. }
  25. }
  27. return nonProductionVars;
  28. }
  30. public static void main(String[] args) {
  31. // Example usage
  32. Map<String, String> env = new HashMap<>();
  33. env.put("DATABASE_URL", "prod_db_url");
  34. env.put("DEBUG_MODE", "true");
  35. env.put("API_KEY", "secret_key");
  36. env.put("dev_API_KEY", "dev_secret");
  37. env.put("LOCAL_PORT", "8080");
  39. Map<String, String> filteredEnv = filterForNonProduction(env);
  41. System.out.println(filteredEnv);
  42. }
  43. }

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