ListCoverageStatistics 搭配 AWS SDK 使用

以下程式碼範例顯示如何使用 ListCoverageStatistics。

動作範例是大型程式的程式碼摘錄，必須在內容中執行。您可以在下列程式碼範例的內容中看到此動作：

• 了解基本概念

Java

SDK for Java 2.x

注意

GitHub 上提供更多範例。尋找完整範例，並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

    /**
     * Retrieves and prints the coverage statistics using a paginator.
     */
    public CompletableFuture<String> listCoverageStatisticsAsync() {
        ListCoverageStatisticsRequest request = ListCoverageStatisticsRequest.builder()
                .build();

        return getAsyncClient().listCoverageStatistics(request)
                .whenComplete((response, exception) -> {
                    if (exception != null) {
                        Throwable cause = exception.getCause();

                        if (cause instanceof ValidationException) {
                            throw new CompletionException(
                                    "Validation error listing coverage statistics: %s".formatted(cause.getMessage()),
                                    cause
                            );
                        }

                        if (cause instanceof Inspector2Exception) {
                            Inspector2Exception e = (Inspector2Exception) cause;

                            throw new CompletionException(
                                    "Inspector2 service error: %s".formatted(e.awsErrorDetails().errorMessage()),
                                    e
                            );
                        }

                        throw new CompletionException(
                                "Unexpected error listing coverage statistics: %s".formatted(exception.getMessage()),
                                exception
                        );
                    }
                })
                .thenApply(response -> {
                    List<Counts> countsList = response.countsByGroup();
                    StringBuilder sb = new StringBuilder();

                    if (countsList == null || countsList.isEmpty()) {
                        sb.append("No coverage statistics available.\n");
                        return sb.toString();
                    }

                    sb.append("Coverage Statistics:\n");

                    for (Counts c : countsList) {
                        sb.append("  Group: ").append(c.groupKey()).append("\n")
                                .append("    Total Count: ").append(c.count()).append("\n\n");
                    }

                    return sb.toString();
                });
    }

• 如需 API 詳細資訊，請參閱AWS SDK for Java 2.x 《 API 參考》中的 ListCoverageStatistics。