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。

# 支持 使用适用于 Java 的 SDK 2.x 的示例
<a name="java_2_support_code_examples"></a>

以下代码示例向您展示了如何使用with来执行操作和实现常见场景 支持。 AWS SDK for Java 2.x 

*基本功能*是向您展示如何在服务中执行基本操作的代码示例。

*操作*是大型程序的代码摘录，必须在上下文中运行。您可以通过操作了解如何调用单个服务函数，还可以通过函数相关场景的上下文查看操作。

每个示例都包含一个指向完整源代码的链接，您可以从中找到有关如何在上下文中设置和运行代码的说明。

**Topics**
+ [开始使用](#get_started)
+ [基本功能](#basics)
+ [操作](#actions)

## 开始使用
<a name="get_started"></a>

### 你好 支持
<a name="support_Hello_java_2_topic"></a>

以下代码示例展示了如何开始使用 支持。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.support.SupportClient;
import software.amazon.awssdk.services.support.model.Category;
import software.amazon.awssdk.services.support.model.DescribeServicesRequest;
import software.amazon.awssdk.services.support.model.DescribeServicesResponse;
import software.amazon.awssdk.services.support.model.Service;
import software.amazon.awssdk.services.support.model.SupportException;
import java.util.ArrayList;
import java.util.List;

/**
 * Before running this Java (v2) code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 *
 * In addition, you must have the AWS Business Support Plan to use the AWS
 * Support Java API. For more information, see:
 *
 * https://aws.amazon.com/premiumsupport/plans/
 *
 * This Java example performs the following task:
 *
 * 1. Gets and displays available services.
 *
 *
 * NOTE: To see multiple operations, see SupportScenario.
 */

public class HelloSupport {
    public static void main(String[] args) {
        Region region = Region.US_WEST_2;
        SupportClient supportClient = SupportClient.builder()
                .region(region)
                .build();

        System.out.println("***** Step 1. Get and display available services.");
        displayServices(supportClient);
    }

    // Return a List that contains a Service name and Category name.
    public static void displayServices(SupportClient supportClient) {
        try {
            DescribeServicesRequest servicesRequest = DescribeServicesRequest.builder()
                    .language("en")
                    .build();

            DescribeServicesResponse response = supportClient.describeServices(servicesRequest);
            List<Service> services = response.services();

            System.out.println("Get the first 10 services");
            int index = 1;
            for (Service service : services) {
                if (index == 11)
                    break;

                System.out.println("The Service name is: " + service.name());

                // Display the Categories for this service.
                List<Category> categories = service.categories();
                for (Category cat : categories) {
                    System.out.println("The category name is: " + cat.name());
                }
                index++;
            }

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }
}
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeServices](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeServices)*中的。

## 基本功能
<a name="basics"></a>

### 了解基本功能
<a name="support_Scenario_GetStartedSupportCases_java_2_topic"></a>

以下代码示例演示了操作流程：
+ 获取并显示案例的可用服务和严重级别。
+ 使用选定的服务、类别和严重性级别创建支持案例。
+ 获取并显示当天打开案例的列表。
+ 向新案例添加附件集和通信。
+ 描述该案例的新附件和通信。
+ 解析案例。
+ 获取并显示当天未解决的案例列表。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。
运行各种 支持 操作。  

```
import software.amazon.awssdk.core.SdkBytes;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.support.SupportClient;
import software.amazon.awssdk.services.support.model.AddAttachmentsToSetResponse;
import software.amazon.awssdk.services.support.model.AddCommunicationToCaseRequest;
import software.amazon.awssdk.services.support.model.AddCommunicationToCaseResponse;
import software.amazon.awssdk.services.support.model.Attachment;
import software.amazon.awssdk.services.support.model.AttachmentDetails;
import software.amazon.awssdk.services.support.model.CaseDetails;
import software.amazon.awssdk.services.support.model.Category;
import software.amazon.awssdk.services.support.model.Communication;
import software.amazon.awssdk.services.support.model.CreateCaseRequest;
import software.amazon.awssdk.services.support.model.CreateCaseResponse;
import software.amazon.awssdk.services.support.model.DescribeAttachmentRequest;
import software.amazon.awssdk.services.support.model.DescribeAttachmentResponse;
import software.amazon.awssdk.services.support.model.DescribeCasesRequest;
import software.amazon.awssdk.services.support.model.DescribeCasesResponse;
import software.amazon.awssdk.services.support.model.DescribeCommunicationsRequest;
import software.amazon.awssdk.services.support.model.DescribeCommunicationsResponse;
import software.amazon.awssdk.services.support.model.DescribeServicesRequest;
import software.amazon.awssdk.services.support.model.DescribeServicesResponse;
import software.amazon.awssdk.services.support.model.DescribeSeverityLevelsRequest;
import software.amazon.awssdk.services.support.model.DescribeSeverityLevelsResponse;
import software.amazon.awssdk.services.support.model.ResolveCaseRequest;
import software.amazon.awssdk.services.support.model.ResolveCaseResponse;
import software.amazon.awssdk.services.support.model.Service;
import software.amazon.awssdk.services.support.model.SeverityLevel;
import software.amazon.awssdk.services.support.model.SupportException;
import software.amazon.awssdk.services.support.model.AddAttachmentsToSetRequest;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.List;

/**
 * Before running this Java (v2) code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 *
 * In addition, you must have the AWS Business Support Plan to use the AWS
 * Support Java API. For more information, see:
 *
 * https://aws.amazon.com/premiumsupport/plans/
 *
 * This Java example performs the following tasks:
 *
 * 1. Gets and displays available services.
 * 2. Gets and displays severity levels.
 * 3. Creates a support case by using the selected service, category, and
 * severity level.
 * 4. Gets a list of open cases for the current day.
 * 5. Creates an attachment set with a generated file.
 * 6. Adds a communication with the attachment to the support case.
 * 7. Lists the communications of the support case.
 * 8. Describes the attachment set included with the communication.
 * 9. Resolves the support case.
 * 10. Gets a list of resolved cases for the current day.
 */
public class SupportScenario {

    public static final String DASHES = new String(new char[80]).replace("\0", "-");

    public static void main(String[] args) {
        final String usage = """

                Usage:
                    <fileAttachment>Where:
                    fileAttachment - The file can be a simple saved .txt file to use as an email attachment.\s
                """;

      //  if (args.length != 1) {
      //      System.out.println(usage);
      //      System.exit(1);
      //  }

        String fileAttachment = "C:\\AWS\\test.txt" ; //args[0];
        Region region = Region.US_WEST_2;
        SupportClient supportClient = SupportClient.builder()
                .region(region)
                .build();

        System.out.println(DASHES);
        System.out.println("***** Welcome to the AWS Support case example scenario.");
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("1. Get and display available services.");
        List<String> sevCatList = displayServices(supportClient);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("2. Get and display Support severity levels.");
        String sevLevel = displaySevLevels(supportClient);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("3. Create a support case using the selected service, category, and severity level.");
        String caseId = createSupportCase(supportClient, sevCatList, sevLevel);
        if (caseId.compareTo("") == 0) {
            System.out.println("A support case was not successfully created!");
            System.exit(1);
        } else
            System.out.println("Support case " + caseId + " was successfully created!");
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("4. Get open support cases.");
        getOpenCase(supportClient);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("5. Create an attachment set with a generated file to add to the case.");
        String attachmentSetId = addAttachment(supportClient, fileAttachment);
        System.out.println("The Attachment Set id value is" + attachmentSetId);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("6. Add communication with the attachment to the support case.");
        addAttachSupportCase(supportClient, caseId, attachmentSetId);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("7. List the communications of the support case.");
        String attachId = listCommunications(supportClient, caseId);
        System.out.println("The Attachment id value is" + attachId);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("8. Describe the attachment set included with the communication.");
        describeAttachment(supportClient, attachId);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("9. Resolve the support case.");
        resolveSupportCase(supportClient, caseId);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("10. Get a list of resolved cases for the current day.");
        getResolvedCase(supportClient);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("***** This Scenario has successfully completed");
        System.out.println(DASHES);
    }

    public static void getResolvedCase(SupportClient supportClient) {
        try {
            // Specify the start and end time.
            Instant now = Instant.now();
            java.time.LocalDate.now();
            Instant yesterday = now.minus(1, ChronoUnit.DAYS);

            DescribeCasesRequest describeCasesRequest = DescribeCasesRequest.builder()
                    .maxResults(30)
                    .afterTime(yesterday.toString())
                    .beforeTime(now.toString())
                    .includeResolvedCases(true)
                    .build();

            DescribeCasesResponse response = supportClient.describeCases(describeCasesRequest);
            List<CaseDetails> cases = response.cases();
            for (CaseDetails sinCase : cases) {
                if (sinCase.status().compareTo("resolved") == 0)
                    System.out.println("The case status is " + sinCase.status());
            }

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }

    public static void resolveSupportCase(SupportClient supportClient, String caseId) {
        try {
            ResolveCaseRequest caseRequest = ResolveCaseRequest.builder()
                    .caseId(caseId)
                    .build();

            ResolveCaseResponse response = supportClient.resolveCase(caseRequest);
            System.out.println("The status of case " + caseId + " is " + response.finalCaseStatus());

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }

    public static void describeAttachment(SupportClient supportClient, String attachId) {
        try {
            DescribeAttachmentRequest attachmentRequest = DescribeAttachmentRequest.builder()
                    .attachmentId(attachId)
                    .build();

            DescribeAttachmentResponse response = supportClient.describeAttachment(attachmentRequest);
            System.out.println("The name of the file is " + response.attachment().fileName());

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }

    public static String listCommunications(SupportClient supportClient, String caseId) {
        try {
            String attachId = null;
            DescribeCommunicationsRequest communicationsRequest = DescribeCommunicationsRequest.builder()
                    .caseId(caseId)
                    .maxResults(10)
                    .build();

            DescribeCommunicationsResponse response = supportClient.describeCommunications(communicationsRequest);
            List<Communication> communications = response.communications();
            for (Communication comm : communications) {
                System.out.println("the body is: " + comm.body());

                // Get the attachment id value.
                List<AttachmentDetails> attachments = comm.attachmentSet();
                for (AttachmentDetails detail : attachments) {
                    attachId = detail.attachmentId();
                }
            }
            return attachId;

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }

    public static void addAttachSupportCase(SupportClient supportClient, String caseId, String attachmentSetId) {
        try {
            AddCommunicationToCaseRequest caseRequest = AddCommunicationToCaseRequest.builder()
                    .caseId(caseId)
                    .attachmentSetId(attachmentSetId)
                    .communicationBody("Please refer to attachment for details.")
                    .build();

            AddCommunicationToCaseResponse response = supportClient.addCommunicationToCase(caseRequest);
            if (response.result())
                System.out.println("You have successfully added a communication to an AWS Support case");
            else
                System.out.println("There was an error adding the communication to an AWS Support case");

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }

    public static String addAttachment(SupportClient supportClient, String fileAttachment) {
        try {
            File myFile = new File(fileAttachment);
            InputStream sourceStream = new FileInputStream(myFile);
            SdkBytes sourceBytes = SdkBytes.fromInputStream(sourceStream);

            Attachment attachment = Attachment.builder()
                    .fileName(myFile.getName())
                    .data(sourceBytes)
                    .build();

            AddAttachmentsToSetRequest setRequest = AddAttachmentsToSetRequest.builder()
                    .attachments(attachment)
                    .build();

            AddAttachmentsToSetResponse response = supportClient.addAttachmentsToSet(setRequest);
            return response.attachmentSetId();

        } catch (SupportException | FileNotFoundException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }

    public static void getOpenCase(SupportClient supportClient) {
        try {
            // Specify the start and end time.
            Instant now = Instant.now();
            java.time.LocalDate.now();
            Instant yesterday = now.minus(1, ChronoUnit.DAYS);

            DescribeCasesRequest describeCasesRequest = DescribeCasesRequest.builder()
                    .maxResults(20)
                    .afterTime(yesterday.toString())
                    .beforeTime(now.toString())
                    .build();

            DescribeCasesResponse response = supportClient.describeCases(describeCasesRequest);
            List<CaseDetails> cases = response.cases();
            for (CaseDetails sinCase : cases) {
                System.out.println("The case status is " + sinCase.status());
                System.out.println("The case Id is " + sinCase.caseId());
                System.out.println("The case subject is " + sinCase.subject());
            }

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }

    public static String createSupportCase(SupportClient supportClient, List<String> sevCatList, String sevLevel) {
        try {
            String serviceCode = sevCatList.get(0);
            String caseCat = sevCatList.get(1);
            CreateCaseRequest caseRequest = CreateCaseRequest.builder()
                    .categoryCode(caseCat.toLowerCase())
                    .serviceCode(serviceCode.toLowerCase())
                    .severityCode(sevLevel.toLowerCase())
                    .communicationBody("Test issue with " + serviceCode.toLowerCase())
                    .subject("Test case, please ignore")
                    .language("en")
                    .issueType("technical")
                    .build();

            CreateCaseResponse response = supportClient.createCase(caseRequest);
            return response.caseId();

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }

    public static String displaySevLevels(SupportClient supportClient) {
        try {
            DescribeSeverityLevelsRequest severityLevelsRequest = DescribeSeverityLevelsRequest.builder()
                    .language("en")
                    .build();

            DescribeSeverityLevelsResponse response = supportClient.describeSeverityLevels(severityLevelsRequest);
            List<SeverityLevel> severityLevels = response.severityLevels();
            String levelName = null;
            for (SeverityLevel sevLevel : severityLevels) {
                System.out.println("The severity level name is: " + sevLevel.name());
                if (sevLevel.name().compareTo("High") == 0)
                    levelName = sevLevel.name();
            }
            return levelName;

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }

    // Return a List that contains a Service name and Category name.
    public static List<String> displayServices(SupportClient supportClient) {
        try {
            DescribeServicesRequest servicesRequest = DescribeServicesRequest.builder()
                    .language("en")
                    .build();

            DescribeServicesResponse response = supportClient.describeServices(servicesRequest);
            String serviceCode = null;
            String catName = null;
            List<String> sevCatList = new ArrayList<>();
            List<Service> services = response.services();

            System.out.println("Get the first 10 services");
            int index = 1;
            for (Service service : services) {
                if (index == 11)
                    break;

                System.out.println("The Service name is: " + service.name());
                if (service.name().compareTo("Account") == 0)
                    serviceCode = service.code();

                // Get the Categories for this service.
                List<Category> categories = service.categories();
                for (Category cat : categories) {
                    System.out.println("The category name is: " + cat.name());
                    if (cat.name().compareTo("Security") == 0)
                        catName = cat.name();
                }
                index++;
            }

            // Push the two values to the list.
            sevCatList.add(serviceCode);
            sevCatList.add(catName);
            return sevCatList;

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return null;
    }
}
```
+ 有关 API 详细信息，请参阅《AWS SDK for Java 2.x API Reference》**中的以下主题。
  + [AddAttachmentsToSet](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/AddAttachmentsToSet)
  + [AddCommunicationToCase](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/AddCommunicationToCase)
  + [CreateCase](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/CreateCase)
  + [DescribeAttachment](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeAttachment)
  + [DescribeCases](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeCases)
  + [DescribeCommunications](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeCommunications)
  + [DescribeServices](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeServices)
  + [DescribeSeverityLevels](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeSeverityLevels)
  + [ResolveCase](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/ResolveCase)

## 操作
<a name="actions"></a>

### `AddAttachmentsToSet`
<a name="support_AddAttachmentsToSet_java_2_topic"></a>

以下代码示例演示了如何使用 `AddAttachmentsToSet`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static String addAttachment(SupportClient supportClient, String fileAttachment) {
        try {
            File myFile = new File(fileAttachment);
            InputStream sourceStream = new FileInputStream(myFile);
            SdkBytes sourceBytes = SdkBytes.fromInputStream(sourceStream);

            Attachment attachment = Attachment.builder()
                    .fileName(myFile.getName())
                    .data(sourceBytes)
                    .build();

            AddAttachmentsToSetRequest setRequest = AddAttachmentsToSetRequest.builder()
                    .attachments(attachment)
                    .build();

            AddAttachmentsToSetResponse response = supportClient.addAttachmentsToSet(setRequest);
            return response.attachmentSetId();

        } catch (SupportException | FileNotFoundException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[AddAttachmentsToSet](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/AddAttachmentsToSet)*中的。

### `AddCommunicationToCase`
<a name="support_AddCommunicationToCase_java_2_topic"></a>

以下代码示例演示了如何使用 `AddCommunicationToCase`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static void addAttachSupportCase(SupportClient supportClient, String caseId, String attachmentSetId) {
        try {
            AddCommunicationToCaseRequest caseRequest = AddCommunicationToCaseRequest.builder()
                    .caseId(caseId)
                    .attachmentSetId(attachmentSetId)
                    .communicationBody("Please refer to attachment for details.")
                    .build();

            AddCommunicationToCaseResponse response = supportClient.addCommunicationToCase(caseRequest);
            if (response.result())
                System.out.println("You have successfully added a communication to an AWS Support case");
            else
                System.out.println("There was an error adding the communication to an AWS Support case");

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[AddCommunicationToCase](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/AddCommunicationToCase)*中的。

### `CreateCase`
<a name="support_CreateCase_java_2_topic"></a>

以下代码示例演示了如何使用 `CreateCase`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static String createSupportCase(SupportClient supportClient, List<String> sevCatList, String sevLevel) {
        try {
            String serviceCode = sevCatList.get(0);
            String caseCat = sevCatList.get(1);
            CreateCaseRequest caseRequest = CreateCaseRequest.builder()
                    .categoryCode(caseCat.toLowerCase())
                    .serviceCode(serviceCode.toLowerCase())
                    .severityCode(sevLevel.toLowerCase())
                    .communicationBody("Test issue with " + serviceCode.toLowerCase())
                    .subject("Test case, please ignore")
                    .language("en")
                    .issueType("technical")
                    .build();

            CreateCaseResponse response = supportClient.createCase(caseRequest);
            return response.caseId();

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[CreateCase](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/CreateCase)*中的。

### `DescribeAttachment`
<a name="support_DescribeAttachment_java_2_topic"></a>

以下代码示例演示了如何使用 `DescribeAttachment`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static void describeAttachment(SupportClient supportClient, String attachId) {
        try {
            DescribeAttachmentRequest attachmentRequest = DescribeAttachmentRequest.builder()
                    .attachmentId(attachId)
                    .build();

            DescribeAttachmentResponse response = supportClient.describeAttachment(attachmentRequest);
            System.out.println("The name of the file is " + response.attachment().fileName());

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeAttachment](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeAttachment)*中的。

### `DescribeCases`
<a name="support_DescribeCases_java_2_topic"></a>

以下代码示例演示了如何使用 `DescribeCases`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static void getOpenCase(SupportClient supportClient) {
        try {
            // Specify the start and end time.
            Instant now = Instant.now();
            java.time.LocalDate.now();
            Instant yesterday = now.minus(1, ChronoUnit.DAYS);

            DescribeCasesRequest describeCasesRequest = DescribeCasesRequest.builder()
                    .maxResults(20)
                    .afterTime(yesterday.toString())
                    .beforeTime(now.toString())
                    .build();

            DescribeCasesResponse response = supportClient.describeCases(describeCasesRequest);
            List<CaseDetails> cases = response.cases();
            for (CaseDetails sinCase : cases) {
                System.out.println("The case status is " + sinCase.status());
                System.out.println("The case Id is " + sinCase.caseId());
                System.out.println("The case subject is " + sinCase.subject());
            }

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeCases](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeCases)*中的。

### `DescribeCommunications`
<a name="support_DescribeCommunications_java_2_topic"></a>

以下代码示例演示了如何使用 `DescribeCommunications`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static String listCommunications(SupportClient supportClient, String caseId) {
        try {
            String attachId = null;
            DescribeCommunicationsRequest communicationsRequest = DescribeCommunicationsRequest.builder()
                    .caseId(caseId)
                    .maxResults(10)
                    .build();

            DescribeCommunicationsResponse response = supportClient.describeCommunications(communicationsRequest);
            List<Communication> communications = response.communications();
            for (Communication comm : communications) {
                System.out.println("the body is: " + comm.body());

                // Get the attachment id value.
                List<AttachmentDetails> attachments = comm.attachmentSet();
                for (AttachmentDetails detail : attachments) {
                    attachId = detail.attachmentId();
                }
            }
            return attachId;

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeCommunications](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeCommunications)*中的。

### `DescribeServices`
<a name="support_DescribeServices_java_2_topic"></a>

以下代码示例演示了如何使用 `DescribeServices`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    // Return a List that contains a Service name and Category name.
    public static List<String> displayServices(SupportClient supportClient) {
        try {
            DescribeServicesRequest servicesRequest = DescribeServicesRequest.builder()
                    .language("en")
                    .build();

            DescribeServicesResponse response = supportClient.describeServices(servicesRequest);
            String serviceCode = null;
            String catName = null;
            List<String> sevCatList = new ArrayList<>();
            List<Service> services = response.services();

            System.out.println("Get the first 10 services");
            int index = 1;
            for (Service service : services) {
                if (index == 11)
                    break;

                System.out.println("The Service name is: " + service.name());
                if (service.name().compareTo("Account") == 0)
                    serviceCode = service.code();

                // Get the Categories for this service.
                List<Category> categories = service.categories();
                for (Category cat : categories) {
                    System.out.println("The category name is: " + cat.name());
                    if (cat.name().compareTo("Security") == 0)
                        catName = cat.name();
                }
                index++;
            }

            // Push the two values to the list.
            sevCatList.add(serviceCode);
            sevCatList.add(catName);
            return sevCatList;

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return null;
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeServices](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeServices)*中的。

### `DescribeSeverityLevels`
<a name="support_DescribeSeverityLevels_java_2_topic"></a>

以下代码示例演示了如何使用 `DescribeSeverityLevels`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static String displaySevLevels(SupportClient supportClient) {
        try {
            DescribeSeverityLevelsRequest severityLevelsRequest = DescribeSeverityLevelsRequest.builder()
                    .language("en")
                    .build();

            DescribeSeverityLevelsResponse response = supportClient.describeSeverityLevels(severityLevelsRequest);
            List<SeverityLevel> severityLevels = response.severityLevels();
            String levelName = null;
            for (SeverityLevel sevLevel : severityLevels) {
                System.out.println("The severity level name is: " + sevLevel.name());
                if (sevLevel.name().compareTo("High") == 0)
                    levelName = sevLevel.name();
            }
            return levelName;

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
        return "";
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeSeverityLevels](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/DescribeSeverityLevels)*中的。

### `ResolveCase`
<a name="support_ResolveCase_java_2_topic"></a>

以下代码示例演示了如何使用 `ResolveCase`。

**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/support#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public static void resolveSupportCase(SupportClient supportClient, String caseId) {
        try {
            ResolveCaseRequest caseRequest = ResolveCaseRequest.builder()
                    .caseId(caseId)
                    .build();

            ResolveCaseResponse response = supportClient.resolveCase(caseRequest);
            System.out.println("The status of case " + caseId + " is " + response.finalCaseStatus());

        } catch (SupportException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[ResolveCase](https://docs.aws.amazon.com/goto/SdkForJavaV2/support-2013-04-15/ResolveCase)*中的。