文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

# 与 AWS SDK `ListCoverage` 配合使用
<a name="inspector_example_inspector_ListCoverage_section"></a>

以下代码示例演示了如何使用 `ListCoverage`。

操作示例是大型程序的代码摘录，必须在上下文中运行。在以下代码示例中，您可以查看此操作的上下文：
+  [了解基本功能](inspector_example_inspector_Scenario_section.md) 

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#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/inspector#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * 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);
        });
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[ListCoverage](https://docs.aws.amazon.com/goto/SdkForJavaV2/inspector-2016-02-16/ListCoverage)*中的。

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