public Duration calculateRetryDelay()

in sdk/core/azure-core-http/src/main/java/com/azure/android/core/http/policy/RetryPolicy.java [165:194]

25 lines of code
8 McCabe index (conditional complexity)


    public Duration calculateRetryDelay(HttpResponse response, Throwable exception, int retryAttempts) {
        if (exception != null) {
            return this.retryStrategy.calculateRetryDelay(null, exception, retryAttempts);
        } else {
            final int code = response.getStatusCode();
            if (code == 429) {
                // Too Many Requests.
                // https://docs.microsoft.com/en-us/rest/api/cosmos-db/common-cosmosdb-rest-response-headers
                final String retryAfterHeader = response.getHeaderValue("x-ms-retry-after-ms");
                if (retryAfterHeader != null) {
                    return Duration.of(Integer.parseInt(retryAfterHeader), ChronoUnit.MILLIS);
                }
            }

            if (code == 429 || code == 503) {
                // Too Many Requests OR Service Unavailable
                // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After
                final String retryAfterHeader = response.getHeaderValue("Retry-After");
                if (retryAfterHeader != null) {
                    try {
                        return Duration.between(OffsetDateTime.now(),
                            OffsetDateTime.parse(retryAfterHeader, DateTimeFormatter.RFC_1123_DATE_TIME));
                    } catch (Exception ignored) {
                        return Duration.of(Integer.parseInt(retryAfterHeader), ChronoUnit.SECONDS);
                    }
                }
            }
            return this.retryStrategy.calculateRetryDelay(response, null, retryAttempts);
        }
    }