ListCoverage 搭配 AWS SDK 使用 - AWS SDK 程式碼範例

文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 AWS SDK 範例。

本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

ListCoverage 搭配 AWS SDK 使用

以下程式碼範例顯示如何使用 ListCoverage。

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：

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。


    /**
     * Lists AWS Inspector2 coverage details for scanned resources using a paginator.
     *
     * @param maxResults Maximum number of resources to return.
     */
    public CompletableFuture<String> listCoverageAsync(int maxResults) {
        ListCoverageRequest initialRequest = ListCoverageRequest.builder()
                .maxResults(maxResults)
                .build();

        ListCoveragePublisher paginator = getAsyncClient().listCoveragePaginator(initialRequest);
        StringBuilder summary = new StringBuilder();

        return paginator.subscribe(response -> {
            List<CoveredResource> coveredResources = response.coveredResources();

            if (coveredResources == null || coveredResources.isEmpty()) {
                summary.append("No coverage information available for this page.\n");
                return;
            }

            Map<String, List<CoveredResource>> byType = coveredResources.stream()
                    .collect(Collectors.groupingBy(CoveredResource::resourceTypeAsString));

            byType.forEach((type, list) ->
                    summary.append("  ").append(type)
                            .append(": ").append(list.size())
                            .append(" resource(s)\n")
            );

            // Include up to 3 sample resources per page
            for (int i = 0; i < Math.min(coveredResources.size(), 3); i++) {
                CoveredResource r = coveredResources.get(i);
                summary.append("  - ").append(r.resourceTypeAsString())
                        .append(": ").append(r.resourceId()).append("\n");
                summary.append("    Scan Type: ").append(r.scanTypeAsString()).append("\n");
                if (r.scanStatus() != null) {
                    summary.append("    Status: ").append(r.scanStatus().statusCodeAsString()).append("\n");
                }
                if (r.accountId() != null) {
                    summary.append("    Account ID: ").append(r.accountId()).append("\n");
                }
                summary.append("\n");
            }

        }).thenApply(v -> {
            if (summary.length() == 0) {
                return "No coverage information found across all pages.";
            } else {
                return "Coverage Information:\n" + summary.toString();
            }
        }).exceptionally(ex -> {
            Throwable cause = ex.getCause();
            if (cause instanceof ValidationException) {
                throw new CompletionException(
                        "Validation error listing coverage: " + cause.getMessage(), cause);
            } else if (cause instanceof Inspector2Exception e) {
                throw new CompletionException(
                        "Inspector2 service error: " + e.awsErrorDetails().errorMessage(), e);
            }
            throw new CompletionException("Unexpected error listing coverage: " + ex.getMessage(), ex);
        });
    }

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