使用SDK适用于 Java 2.x 的亚马逊SNS示例

以下代码示例向您展示了如何通过 AWS SDK for Java 2.x 与 Amazon 一起使用来执行操作和实现常见场景SNS。

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。

场景是向您展示如何通过在一个服务中调用多个函数或与其他 AWS 服务结合来完成特定任务的代码示例。

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

开始使用

以下代码示例展示了如何开始使用 Amazon SNS。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


package com.example.sns;

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.paginators.ListTopicsIterable;

public class HelloSNS {
    public static void main(String[] args) {
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        listSNSTopics(snsClient);
        snsClient.close();
    }

    public static void listSNSTopics(SnsClient snsClient) {
        try {
            ListTopicsIterable listTopics = snsClient.listTopicsPaginator();
            listTopics.stream()
                    .flatMap(r -> r.topics().stream())
                    .forEach(content -> System.out.println(" Topic ARN: " + content.topicArn()));

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 ListTopics” 中的。

操作

以下代码示例演示如何使用 CheckIfPhoneNumberIsOptedOut。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.CheckIfPhoneNumberIsOptedOutRequest;
import software.amazon.awssdk.services.sns.model.CheckIfPhoneNumberIsOptedOutResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class CheckOptOut {
    public static void main(String[] args) {

        final String usage = """

                Usage:    <phoneNumber>

                Where:
                   phoneNumber - The mobile phone number to look up (for example, +1XXX5550100).

                """;

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

        String phoneNumber = args[0];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        checkPhone(snsClient, phoneNumber);
        snsClient.close();
    }

    public static void checkPhone(SnsClient snsClient, String phoneNumber) {
        try {
            CheckIfPhoneNumberIsOptedOutRequest request = CheckIfPhoneNumberIsOptedOutRequest.builder()
                    .phoneNumber(phoneNumber)
                    .build();

            CheckIfPhoneNumberIsOptedOutResponse result = snsClient.checkIfPhoneNumberIsOptedOut(request);
            System.out.println(
                    result.isOptedOut() + "Phone Number " + phoneNumber + " has Opted Out of receiving sns messages." +
                            "\n\nStatus was " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 CheckIfPhoneNumberIsOptedOut” 中的。

以下代码示例演示如何使用 ConfirmSubscription。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.ConfirmSubscriptionRequest;
import software.amazon.awssdk.services.sns.model.ConfirmSubscriptionResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class ConfirmSubscription {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <subscriptionToken> <topicArn>

                Where:
                   subscriptionToken - A short-lived token sent to an endpoint during the Subscribe action.
                   topicArn - The ARN of the topic.\s
                """;

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String subscriptionToken = args[0];
        String topicArn = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        confirmSub(snsClient, subscriptionToken, topicArn);
        snsClient.close();
    }

    public static void confirmSub(SnsClient snsClient, String subscriptionToken, String topicArn) {
        try {
            ConfirmSubscriptionRequest request = ConfirmSubscriptionRequest.builder()
                    .token(subscriptionToken)
                    .topicArn(topicArn)
                    .build();

            ConfirmSubscriptionResponse result = snsClient.confirmSubscription(request);
            System.out.println("\n\nStatus was " + result.sdkHttpResponse().statusCode() + "\n\nSubscription Arn: \n\n"
                    + result.subscriptionArn());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 ConfirmSubscription” 中的。

以下代码示例演示如何使用 CreateTopic。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.CreateTopicRequest;
import software.amazon.awssdk.services.sns.model.CreateTopicResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class CreateTopic {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <topicName>

                Where:
                   topicName - The name of the topic to create (for example, mytopic).

                """;

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

        String topicName = args[0];
        System.out.println("Creating a topic with name: " + topicName);
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        String arnVal = createSNSTopic(snsClient, topicName);
        System.out.println("The topic ARN is" + arnVal);
        snsClient.close();
    }

    public static String createSNSTopic(SnsClient snsClient, String topicName) {
        CreateTopicResponse result;
        try {
            CreateTopicRequest request = CreateTopicRequest.builder()
                    .name(topicName)
                    .build();

            result = snsClient.createTopic(request);
            return result.topicArn();

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 CreateTopic” 中的。

以下代码示例演示如何使用 DeleteTopic。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.DeleteTopicRequest;
import software.amazon.awssdk.services.sns.model.DeleteTopicResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class DeleteTopic {
    public static void main(String[] args) {
        final String usage = """

                Usage:     <topicArn>

                Where:
                   topicArn - The ARN of the topic to delete.
                """;

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

        String topicArn = args[0];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        System.out.println("Deleting a topic with name: " + topicArn);
        deleteSNSTopic(snsClient, topicArn);
        snsClient.close();
    }

    public static void deleteSNSTopic(SnsClient snsClient, String topicArn) {
        try {
            DeleteTopicRequest request = DeleteTopicRequest.builder()
                    .topicArn(topicArn)
                    .build();

            DeleteTopicResponse result = snsClient.deleteTopic(request);
            System.out.println("\n\nStatus was " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 DeleteTopic” 中的。

以下代码示例演示如何使用 GetSMSAttributes。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.GetSubscriptionAttributesRequest;
import software.amazon.awssdk.services.sns.model.GetSubscriptionAttributesResponse;
import software.amazon.awssdk.services.sns.model.SnsException;
import java.util.Iterator;
import java.util.Map;

/**
 * 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
 */
public class GetSMSAtrributes {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <topicArn>

                Where:
                   topicArn - The ARN of the topic from which to retrieve attributes.
                """;

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

        String topicArn = args[0];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        getSNSAttrutes(snsClient, topicArn);
        snsClient.close();
    }

    public static void getSNSAttrutes(SnsClient snsClient, String topicArn) {
        try {
            GetSubscriptionAttributesRequest request = GetSubscriptionAttributesRequest.builder()
                    .subscriptionArn(topicArn)
                    .build();

            // Get the Subscription attributes
            GetSubscriptionAttributesResponse res = snsClient.getSubscriptionAttributes(request);
            Map<String, String> map = res.attributes();

            // Iterate through the map
            Iterator iter = map.entrySet().iterator();
            while (iter.hasNext()) {
                Map.Entry entry = (Map.Entry) iter.next();
                System.out.println("[Key] : " + entry.getKey() + " [Value] : " + entry.getValue());
            }

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }

        System.out.println("\n\nStatus was good");
    }
}

有关API详细信息，请参阅etSMSAttributes《AWS SDK for Java 2.x API参考资料》中的 G。

以下代码示例演示如何使用 GetTopicAttributes。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.GetTopicAttributesRequest;
import software.amazon.awssdk.services.sns.model.GetTopicAttributesResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class GetTopicAttributes {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <topicArn>

                Where:
                   topicArn - The ARN of the topic to look up.
                """;

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

        String topicArn = args[0];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        System.out.println("Getting attributes for a topic with name: " + topicArn);
        getSNSTopicAttributes(snsClient, topicArn);
        snsClient.close();
    }

    public static void getSNSTopicAttributes(SnsClient snsClient, String topicArn) {
        try {
            GetTopicAttributesRequest request = GetTopicAttributesRequest.builder()
                    .topicArn(topicArn)
                    .build();

            GetTopicAttributesResponse result = snsClient.getTopicAttributes(request);
            System.out.println("\n\nStatus is " + result.sdkHttpResponse().statusCode() + "\n\nAttributes: \n\n"
                    + result.attributes());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 GetTopicAttributes” 中的。

以下代码示例演示如何使用 ListPhoneNumbersOptedOut。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.ListPhoneNumbersOptedOutRequest;
import software.amazon.awssdk.services.sns.model.ListPhoneNumbersOptedOutResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class ListOptOut {
    public static void main(String[] args) {
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        listOpts(snsClient);
        snsClient.close();
    }

    public static void listOpts(SnsClient snsClient) {
        try {
            ListPhoneNumbersOptedOutRequest request = ListPhoneNumbersOptedOutRequest.builder().build();
            ListPhoneNumbersOptedOutResponse result = snsClient.listPhoneNumbersOptedOut(request);
            System.out.println("Status is " + result.sdkHttpResponse().statusCode() + "\n\nPhone Numbers: \n\n"
                    + result.phoneNumbers());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 ListPhoneNumbersOptedOut” 中的。

以下代码示例演示如何使用 ListSubscriptions。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.ListSubscriptionsRequest;
import software.amazon.awssdk.services.sns.model.ListSubscriptionsResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class ListSubscriptions {
    public static void main(String[] args) {
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        listSNSSubscriptions(snsClient);
        snsClient.close();
    }

    public static void listSNSSubscriptions(SnsClient snsClient) {
        try {
            ListSubscriptionsRequest request = ListSubscriptionsRequest.builder()
                    .build();

            ListSubscriptionsResponse result = snsClient.listSubscriptions(request);
            System.out.println(result.subscriptions());

        } catch (SnsException e) {

            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 ListSubscriptions” 中的。

以下代码示例演示如何使用 ListTopics。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.ListTopicsRequest;
import software.amazon.awssdk.services.sns.model.ListTopicsResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class ListTopics {
    public static void main(String[] args) {
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        listSNSTopics(snsClient);
        snsClient.close();
    }

    public static void listSNSTopics(SnsClient snsClient) {
        try {
            ListTopicsRequest request = ListTopicsRequest.builder()
                    .build();

            ListTopicsResponse result = snsClient.listTopics(request);
            System.out.println(
                    "Status was " + result.sdkHttpResponse().statusCode() + "\n\nTopics\n\n" + result.topics());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 ListTopics” 中的。

以下代码示例演示如何使用 Publish。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.PublishRequest;
import software.amazon.awssdk.services.sns.model.PublishResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class PublishTopic {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <message> <topicArn>

                Where:
                   message - The message text to send.
                   topicArn - The ARN of the topic to publish.
                """;

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String message = args[0];
        String topicArn = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();
        pubTopic(snsClient, message, topicArn);
        snsClient.close();
    }

    public static void pubTopic(SnsClient snsClient, String message, String topicArn) {
        try {
            PublishRequest request = PublishRequest.builder()
                    .message(message)
                    .topicArn(topicArn)
                    .build();

            PublishResponse result = snsClient.publish(request);
            System.out
                    .println(result.messageId() + " Message sent. Status is " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅在AWS SDK for Java 2.x API参考中发布。

以下代码示例演示如何使用 SetSMSAttributes。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SetSmsAttributesRequest;
import software.amazon.awssdk.services.sns.model.SetSmsAttributesResponse;
import software.amazon.awssdk.services.sns.model.SnsException;
import java.util.HashMap;

/**
 * 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
 */
public class SetSMSAttributes {
    public static void main(String[] args) {
        HashMap<String, String> attributes = new HashMap<>(1);
        attributes.put("DefaultSMSType", "Transactional");
        attributes.put("UsageReportS3Bucket", "janbucket");

        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();
        setSNSAttributes(snsClient, attributes);
        snsClient.close();
    }

    public static void setSNSAttributes(SnsClient snsClient, HashMap<String, String> attributes) {
        try {
            SetSmsAttributesRequest request = SetSmsAttributesRequest.builder()
                    .attributes(attributes)
                    .build();

            SetSmsAttributesResponse result = snsClient.setSMSAttributes(request);
            System.out.println("Set default Attributes to " + attributes + ". Status was "
                    + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅etSMSAttributes《AWS SDK for Java 2.x API参考资料》中的 S。

以下代码示例演示如何使用 SetSubscriptionAttributes。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import java.util.ArrayList;

/**
 * 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
 */
public class UseMessageFilterPolicy {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <subscriptionArn>

                Where:
                   subscriptionArn - The ARN of a subscription.

                """;

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

        String subscriptionArn = args[0];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        usePolicy(snsClient, subscriptionArn);
        snsClient.close();
    }

    public static void usePolicy(SnsClient snsClient, String subscriptionArn) {
        try {
            SNSMessageFilterPolicy fp = new SNSMessageFilterPolicy();
            // Add a filter policy attribute with a single value
            fp.addAttribute("store", "example_corp");
            fp.addAttribute("event", "order_placed");

            // Add a prefix attribute
            fp.addAttributePrefix("customer_interests", "bas");

            // Add an anything-but attribute
            fp.addAttributeAnythingBut("customer_interests", "baseball");

            // Add a filter policy attribute with a list of values
            ArrayList<String> attributeValues = new ArrayList<>();
            attributeValues.add("rugby");
            attributeValues.add("soccer");
            attributeValues.add("hockey");
            fp.addAttribute("customer_interests", attributeValues);

            // Add a numeric attribute
            fp.addAttribute("price_usd", "=", 0);

            // Add a numeric attribute with a range
            fp.addAttributeRange("price_usd", ">", 0, "<=", 100);

            // Apply the filter policy attributes to an Amazon SNS subscription
            fp.apply(snsClient, subscriptionArn);

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 SetSubscriptionAttributes” 中的。

以下代码示例演示如何使用 SetTopicAttributes。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SetTopicAttributesRequest;
import software.amazon.awssdk.services.sns.model.SetTopicAttributesResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class SetTopicAttributes {

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

                Usage:    <attribute> <topicArn> <value>

                Where:
                   attribute - The attribute action to use. Valid parameters are: Policy | DisplayName | DeliveryPolicy .
                   topicArn - The ARN of the topic.\s
                   value - The value for the attribute.
                """;

        if (args.length < 3) {
            System.out.println(usage);
            System.exit(1);
        }

        String attribute = args[0];
        String topicArn = args[1];
        String value = args[2];

        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        setTopAttr(snsClient, attribute, topicArn, value);
        snsClient.close();
    }

    public static void setTopAttr(SnsClient snsClient, String attribute, String topicArn, String value) {
        try {
            SetTopicAttributesRequest request = SetTopicAttributesRequest.builder()
                    .attributeName(attribute)
                    .attributeValue(value)
                    .topicArn(topicArn)
                    .build();

            SetTopicAttributesResponse result = snsClient.setTopicAttributes(request);
            System.out.println(
                    "\n\nStatus was " + result.sdkHttpResponse().statusCode() + "\n\nTopic " + request.topicArn()
                            + " updated " + request.attributeName() + " to " + request.attributeValue());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 SetTopicAttributes” 中的。

以下代码示例演示如何使用 Subscribe。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

通过电子邮件地址订阅主题。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.model.SubscribeRequest;
import software.amazon.awssdk.services.sns.model.SubscribeResponse;

/**
 * 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
 */
public class SubscribeEmail {
    public static void main(String[] args) {
        final String usage = """
                Usage:     <topicArn> <email>

                Where:
                   topicArn - The ARN of the topic to subscribe.
                   email - The email address to use.
                """;

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String topicArn = args[0];
        String email = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        subEmail(snsClient, topicArn, email);
        snsClient.close();
    }

    public static void subEmail(SnsClient snsClient, String topicArn, String email) {
        try {
            SubscribeRequest request = SubscribeRequest.builder()
                    .protocol("email")
                    .endpoint(email)
                    .returnSubscriptionArn(true)
                    .topicArn(topicArn)
                    .build();

            SubscribeResponse result = snsClient.subscribe(request);
            System.out.println("Subscription ARN: " + result.subscriptionArn() + "\n\n Status is "
                    + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

为HTTP终端节点订阅主题。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.model.SubscribeRequest;
import software.amazon.awssdk.services.sns.model.SubscribeResponse;

/**
 * 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
 */
public class SubscribeHTTPS {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <topicArn> <url>

                Where:
                   topicArn - The ARN of the topic to subscribe.
                   url - The HTTPS endpoint that you want to receive notifications.
                """;

        if (args.length < 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String topicArn = args[0];
        String url = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        subHTTPS(snsClient, topicArn, url);
        snsClient.close();
    }

    public static void subHTTPS(SnsClient snsClient, String topicArn, String url) {
        try {
            SubscribeRequest request = SubscribeRequest.builder()
                    .protocol("https")
                    .endpoint(url)
                    .returnSubscriptionArn(true)
                    .topicArn(topicArn)
                    .build();

            SubscribeResponse result = snsClient.subscribe(request);
            System.out.println("Subscription ARN is " + result.subscriptionArn() + "\n\n Status is "
                    + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

为主题订阅 Lambda 函数。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.model.SubscribeRequest;
import software.amazon.awssdk.services.sns.model.SubscribeResponse;

/**
 * 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
 */
public class SubscribeLambda {

    public static void main(String[] args) {

        final String usage = """

                Usage:    <topicArn> <lambdaArn>

                Where:
                   topicArn - The ARN of the topic to subscribe.
                   lambdaArn - The ARN of an AWS Lambda function.
                """;

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String topicArn = args[0];
        String lambdaArn = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        String arnValue = subLambda(snsClient, topicArn, lambdaArn);
        System.out.println("Subscription ARN: " + arnValue);
        snsClient.close();
    }

    public static String subLambda(SnsClient snsClient, String topicArn, String lambdaArn) {
        try {
            SubscribeRequest request = SubscribeRequest.builder()
                    .protocol("lambda")
                    .endpoint(lambdaArn)
                    .returnSubscriptionArn(true)
                    .topicArn(topicArn)
                    .build();

            SubscribeResponse result = snsClient.subscribe(request);
            return result.subscriptionArn();

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }
}

有关API详细信息，请参阅AWS SDK for Java 2.x API参考资料中的订阅。

以下代码示例演示如何使用 TagResource。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.model.Tag;
import software.amazon.awssdk.services.sns.model.TagResourceRequest;
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
 */
public class AddTags {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <topicArn>

                Where:
                   topicArn - The ARN of the topic to which tags are added.

                """;

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

        String topicArn = args[0];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        addTopicTags(snsClient, topicArn);
        snsClient.close();
    }

    public static void addTopicTags(SnsClient snsClient, String topicArn) {
        try {
            Tag tag = Tag.builder()
                    .key("Team")
                    .value("Development")
                    .build();

            Tag tag2 = Tag.builder()
                    .key("Environment")
                    .value("Gamma")
                    .build();

            List<Tag> tagList = new ArrayList<>();
            tagList.add(tag);
            tagList.add(tag2);

            TagResourceRequest tagResourceRequest = TagResourceRequest.builder()
                    .resourceArn(topicArn)
                    .tags(tagList)
                    .build();

            snsClient.tagResource(tagResourceRequest);
            System.out.println("Tags have been added to " + topicArn);

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考 TagResource” 中的。

以下代码示例演示如何使用 Unsubscribe。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.model.UnsubscribeRequest;
import software.amazon.awssdk.services.sns.model.UnsubscribeResponse;

/**
 * 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
 */
public class Unsubscribe {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <subscriptionArn>

                Where:
                   subscriptionArn - The ARN of the subscription to delete.
                """;

        if (args.length < 1) {
            System.out.println(usage);
            System.exit(1);
        }

        String subscriptionArn = args[0];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        unSub(snsClient, subscriptionArn);
        snsClient.close();
    }

    public static void unSub(SnsClient snsClient, String subscriptionArn) {
        try {
            UnsubscribeRequest request = UnsubscribeRequest.builder()
                    .subscriptionArn(subscriptionArn)
                    .build();

            UnsubscribeResponse result = snsClient.unsubscribe(request);
            System.out.println("\n\nStatus was " + result.sdkHttpResponse().statusCode()
                    + "\n\nSubscription was removed for " + request.subscriptionArn());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅 “AWS SDK for Java 2.x API参考资料” 中的 “取消订阅”。

场景

以下代码示例演示如何构建一个应用程序，该应用程序可将数据提交到 Amazon DynamoDB 表，并在用户更新表时通知您。

SDK适用于 Java 2.x

演示如何创建动态 Web 应用程序，该应用程序使用 Amazon DynamoDB API Java 提交数据并使用亚马逊简单通知服务 Java 发送短信。API

有关如何设置和运行的完整源代码和说明，请参阅上的完整示例GitHub。

本示例中使用的服务

DynamoDB
Amazon SNS

以下代码示例说明如何创建具有订阅和发布功能以及翻译消息的应用程序。

SDK适用于 Java 2.x

演示如何使用 Amazon 简单通知服务 Java API 创建具有订阅和发布功能的 Web 应用程序。此外，此示例应用程序还会转换消息。

有关如何设置和运行的完整源代码和说明，请参阅上的完整示例GitHub。

有关如何设置和运行使用 Java Async 的示例的完整源代码和说明API，请参阅上的GitHub完整示例。

本示例中使用的服务

Amazon SNS
Amazon Translate

以下代码示例显示如何为 Amazon SNS 推送通知创建平台终端节点。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.CreatePlatformEndpointRequest;
import software.amazon.awssdk.services.sns.model.CreatePlatformEndpointResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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, create a platform application using the AWS Management Console.
 * See this doc topic:
 *
 * https://docs.aws.amazon.com/sns/latest/dg/mobile-push-send-register.html
 *
 * Without the values created by following the previous link, this code examples
 * does not work.
 */

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

            Usage:     <token> <platformApplicationArn>

            Where:
               token - The device token or registration ID of the mobile device. This is a unique 
               identifier provided by the device platform (e.g., Apple Push Notification Service (APNS) for iOS devices, Firebase Cloud Messaging (FCM) 
               for Android devices) when the mobile app is registered to receive push notifications.

               platformApplicationArn - The ARN value of platform application. You can get this value from the AWS Management Console.\s

            """;

        if (args.length != 2) {
            System.out.println(usage);
            return;
        }

        String token = args[0];
        String platformApplicationArn = args[1];
        SnsClient snsClient = SnsClient.builder()
            .region(Region.US_EAST_1)
            .build();

        createEndpoint(snsClient, token, platformApplicationArn);
    }
    public static void createEndpoint(SnsClient snsClient, String token, String platformApplicationArn) {
        System.out.println("Creating platform endpoint with token " + token);
        try {
            CreatePlatformEndpointRequest endpointRequest = CreatePlatformEndpointRequest.builder()
                .token(token)
                .platformApplicationArn(platformApplicationArn)
                .build();

            CreatePlatformEndpointResponse response = snsClient.createPlatformEndpoint(endpointRequest);
            System.out.println("The ARN of the endpoint is " + response.endpointArn());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
        }
    }
}

以下代码示例演示如何创建无服务器应用程序，让用户能够使用标签管理照片。

SDK适用于 Java 2.x

演示如何开发照片资产管理应用程序，该应用程序使用 Amazon Rekognition 检测图像中的标签并将其存储以供日后检索。

有关如何设置和运行的完整源代码和说明，请参阅上的完整示例 GitHub。

要深入了解这个例子的起源，请参阅 AWS 社区上的博文。

本示例中使用的服务

API网关
DynamoDB
Lambda
Amazon Rekognition
Amazon S3
Amazon SNS

以下代码示例展示了如何创建和发布到 A FIFO mazon SNS 主题。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

此示例

创建一个 Amazon SNS FIFO 主题、两个亚马逊SQSFIFO队列和一个标准队列。
将队列订阅到主题，发布一条消息到主题。

该测试验证每个队列是否收到消息。完整的示例还显示了添加访问策略，并在最后删除了资源。


public class PriceUpdateExample {
    public final static SnsClient snsClient = SnsClient.create();
    public final static SqsClient sqsClient = SqsClient.create();

    public static void main(String[] args) {

        final String usage = "\n" +
                "Usage: " +
                "    <topicName> <wholesaleQueueFifoName> <retailQueueFifoName> <analyticsQueueName>\n\n" +
                "Where:\n" +
                "   fifoTopicName - The name of the FIFO topic that you want to create. \n\n" +
                "   wholesaleQueueARN - The name of a SQS FIFO queue that will be created for the wholesale consumer. \n\n"
                +
                "   retailQueueARN - The name of a SQS FIFO queue that will created for the retail consumer. \n\n" +
                "   analyticsQueueARN - The name of a SQS standard queue that will be created for the analytics consumer. \n\n";
        if (args.length != 4) {
            System.out.println(usage);
            System.exit(1);
        }

        final String fifoTopicName = args[0];
        final String wholeSaleQueueName = args[1];
        final String retailQueueName = args[2];
        final String analyticsQueueName = args[3];

        // For convenience, the QueueData class holds metadata about a queue: ARN, URL,
        // name and type.
        List<QueueData> queues = List.of(
                new QueueData(wholeSaleQueueName, QueueType.FIFO),
                new QueueData(retailQueueName, QueueType.FIFO),
                new QueueData(analyticsQueueName, QueueType.Standard));

        // Create queues.
        createQueues(queues);

        // Create a topic.
        String topicARN = createFIFOTopic(fifoTopicName);

        // Subscribe each queue to the topic.
        subscribeQueues(queues, topicARN);

        // Allow the newly created topic to send messages to the queues.
        addAccessPolicyToQueuesFINAL(queues, topicARN);

        // Publish a sample price update message with payload.
        publishPriceUpdate(topicARN, "{\"product\": 214, \"price\": 79.99}", "Consumables");

        // Clean up resources.
        deleteSubscriptions(queues);
        deleteQueues(queues);
        deleteTopic(topicARN);
    }

    public static String createFIFOTopic(String topicName) {
        try {
            // Create a FIFO topic by using the SNS service client.
            Map<String, String> topicAttributes = Map.of(
                    "FifoTopic", "true",
                    "ContentBasedDeduplication", "false");

            CreateTopicRequest topicRequest = CreateTopicRequest.builder()
                    .name(topicName)
                    .attributes(topicAttributes)
                    .build();

            CreateTopicResponse response = snsClient.createTopic(topicRequest);
            String topicArn = response.topicArn();
            System.out.println("The topic ARN is" + topicArn);

            return topicArn;

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }

    public static void subscribeQueues(List<QueueData> queues, String topicARN) {
        queues.forEach(queue -> {
            SubscribeRequest subscribeRequest = SubscribeRequest.builder()
                    .topicArn(topicARN)
                    .endpoint(queue.queueARN)
                    .protocol("sqs")
                    .build();

            // Subscribe to the endpoint by using the SNS service client.
            // Only Amazon SQS queues can receive notifications from an Amazon SNS FIFO
            // topic.
            SubscribeResponse subscribeResponse = snsClient.subscribe(subscribeRequest);
            System.out.println("The queue [" + queue.queueARN + "] subscribed to the topic [" + topicARN + "]");
            queue.subscriptionARN = subscribeResponse.subscriptionArn();
        });
    }

    public static void publishPriceUpdate(String topicArn, String payload, String groupId) {

        try {
            // Create and publish a message that updates the wholesale price.
            String subject = "Price Update";
            String dedupId = UUID.randomUUID().toString();
            String attributeName = "business";
            String attributeValue = "wholesale";

            MessageAttributeValue msgAttValue = MessageAttributeValue.builder()
                    .dataType("String")
                    .stringValue(attributeValue)
                    .build();

            Map<String, MessageAttributeValue> attributes = new HashMap<>();
            attributes.put(attributeName, msgAttValue);
            PublishRequest pubRequest = PublishRequest.builder()
                    .topicArn(topicArn)
                    .subject(subject)
                    .message(payload)
                    .messageGroupId(groupId)
                    .messageDeduplicationId(dedupId)
                    .messageAttributes(attributes)
                    .build();

            final PublishResponse response = snsClient.publish(pubRequest);
            System.out.println(response.messageId());
            System.out.println(response.sequenceNumber());
            System.out.println("Message was published to " + topicArn);

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

有关API详细信息，请参阅 “参AWS SDK for Java 2.x API考” 中的以下主题。

以下代码示例展示了如何：

创建 Amazon SNS 主题。
使用手机号码订阅主题。
向主题发布SMS消息，以便所有订阅的电话号码都能同时收到消息。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

创建一个主题并返回它ARN。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.CreateTopicRequest;
import software.amazon.awssdk.services.sns.model.CreateTopicResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class CreateTopic {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <topicName>

                Where:
                   topicName - The name of the topic to create (for example, mytopic).

                """;

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

        String topicName = args[0];
        System.out.println("Creating a topic with name: " + topicName);
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        String arnVal = createSNSTopic(snsClient, topicName);
        System.out.println("The topic ARN is" + arnVal);
        snsClient.close();
    }

    public static String createSNSTopic(SnsClient snsClient, String topicName) {
        CreateTopicResponse result;
        try {
            CreateTopicRequest request = CreateTopicRequest.builder()
                    .name(topicName)
                    .build();

            result = snsClient.createTopic(request);
            return result.topicArn();

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }
}

为终端节点订阅主题。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.model.SubscribeRequest;
import software.amazon.awssdk.services.sns.model.SubscribeResponse;

/**
 * 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
 */
public class SubscribeTextSMS {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <topicArn> <phoneNumber>

                Where:
                   topicArn - The ARN of the topic to subscribe.
                   phoneNumber - A mobile phone number that receives notifications (for example, +1XXX5550100).
                """;

        if (args.length < 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String topicArn = args[0];
        String phoneNumber = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();

        subTextSNS(snsClient, topicArn, phoneNumber);
        snsClient.close();
    }

    public static void subTextSNS(SnsClient snsClient, String topicArn, String phoneNumber) {
        try {
            SubscribeRequest request = SubscribeRequest.builder()
                    .protocol("sms")
                    .endpoint(phoneNumber)
                    .returnSubscriptionArn(true)
                    .topicArn(topicArn)
                    .build();

            SubscribeResponse result = snsClient.subscribe(request);
            System.out.println("Subscription ARN: " + result.subscriptionArn() + "\n\n Status is "
                    + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

设置消息的属性，例如发件人的 ID、最高价格及其类型。消息属性是可选的。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.SetSmsAttributesRequest;
import software.amazon.awssdk.services.sns.model.SetSmsAttributesResponse;
import software.amazon.awssdk.services.sns.model.SnsException;
import java.util.HashMap;

/**
 * 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
 */
public class SetSMSAttributes {
    public static void main(String[] args) {
        HashMap<String, String> attributes = new HashMap<>(1);
        attributes.put("DefaultSMSType", "Transactional");
        attributes.put("UsageReportS3Bucket", "janbucket");

        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();
        setSNSAttributes(snsClient, attributes);
        snsClient.close();
    }

    public static void setSNSAttributes(SnsClient snsClient, HashMap<String, String> attributes) {
        try {
            SetSmsAttributesRequest request = SetSmsAttributesRequest.builder()
                    .attributes(attributes)
                    .build();

            SetSmsAttributesResponse result = snsClient.setSMSAttributes(request);
            System.out.println("Set default Attributes to " + attributes + ". Status was "
                    + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

向主题发布消息。消息将会发送到每个订阅者。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.PublishRequest;
import software.amazon.awssdk.services.sns.model.PublishResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class PublishTextSMS {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <message> <phoneNumber>

                Where:
                   message - The message text to send.
                   phoneNumber - The mobile phone number to which a message is sent (for example, +1XXX5550100).\s
                """;

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String message = args[0];
        String phoneNumber = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();
        pubTextSMS(snsClient, message, phoneNumber);
        snsClient.close();
    }

    public static void pubTextSMS(SnsClient snsClient, String message, String phoneNumber) {
        try {
            PublishRequest request = PublishRequest.builder()
                    .message(message)
                    .phoneNumber(phoneNumber)
                    .build();

            PublishResponse result = snsClient.publish(request);
            System.out
                    .println(result.messageId() + " Message sent. Status was " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

以下代码示例展示了如何使用 Amazon 发布SMS消息SNS。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.PublishRequest;
import software.amazon.awssdk.services.sns.model.PublishResponse;
import software.amazon.awssdk.services.sns.model.SnsException;

/**
 * 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
 */
public class PublishTextSMS {
    public static void main(String[] args) {
        final String usage = """

                Usage:    <message> <phoneNumber>

                Where:
                   message - The message text to send.
                   phoneNumber - The mobile phone number to which a message is sent (for example, +1XXX5550100).\s
                """;

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String message = args[0];
        String phoneNumber = args[1];
        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .build();
        pubTextSMS(snsClient, message, phoneNumber);
        snsClient.close();
    }

    public static void pubTextSMS(SnsClient snsClient, String message, String phoneNumber) {
        try {
            PublishRequest request = PublishRequest.builder()
                    .message(message)
                    .phoneNumber(phoneNumber)
                    .build();

            PublishResponse result = snsClient.publish(request);
            System.out
                    .println(result.messageId() + " Message sent. Status was " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

有关API详细信息，请参阅在AWS SDK for Java 2.x API参考中发布。

以下代码示例展示了如何：

创建主题（FIFO或非-FIFO）。
针对主题订阅多个队列，并提供应用筛选条件的选项。
将消息发布到主题。
轮询队列中是否有收到的消息。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。


package com.example.sns;

import software.amazon.awssdk.auth.credentials.EnvironmentVariableCredentialsProvider;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sns.SnsClient;
import software.amazon.awssdk.services.sns.model.CreateTopicRequest;
import software.amazon.awssdk.services.sns.model.CreateTopicResponse;
import software.amazon.awssdk.services.sns.model.DeleteTopicRequest;
import software.amazon.awssdk.services.sns.model.DeleteTopicResponse;
import software.amazon.awssdk.services.sns.model.MessageAttributeValue;
import software.amazon.awssdk.services.sns.model.PublishRequest;
import software.amazon.awssdk.services.sns.model.PublishResponse;
import software.amazon.awssdk.services.sns.model.SetSubscriptionAttributesRequest;
import software.amazon.awssdk.services.sns.model.SnsException;
import software.amazon.awssdk.services.sns.model.SubscribeRequest;
import software.amazon.awssdk.services.sns.model.SubscribeResponse;
import software.amazon.awssdk.services.sns.model.UnsubscribeRequest;
import software.amazon.awssdk.services.sns.model.UnsubscribeResponse;
import software.amazon.awssdk.services.sqs.SqsClient;
import software.amazon.awssdk.services.sqs.model.CreateQueueRequest;
import software.amazon.awssdk.services.sqs.model.DeleteMessageBatchRequest;
import software.amazon.awssdk.services.sqs.model.DeleteMessageBatchRequestEntry;
import software.amazon.awssdk.services.sqs.model.DeleteQueueRequest;
import software.amazon.awssdk.services.sqs.model.GetQueueAttributesRequest;
import software.amazon.awssdk.services.sqs.model.GetQueueAttributesResponse;
import software.amazon.awssdk.services.sqs.model.GetQueueUrlRequest;
import software.amazon.awssdk.services.sqs.model.GetQueueUrlResponse;
import software.amazon.awssdk.services.sqs.model.Message;
import software.amazon.awssdk.services.sqs.model.QueueAttributeName;
import software.amazon.awssdk.services.sqs.model.ReceiveMessageRequest;
import software.amazon.awssdk.services.sqs.model.SetQueueAttributesRequest;
import software.amazon.awssdk.services.sqs.model.SqsException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;

/**
 * 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
 *
 * This Java example performs these tasks:
 *
 * 1. Gives the user three options to choose from.
 * 2. Creates an Amazon Simple Notification Service (Amazon SNS) topic.
 * 3. Creates an Amazon Simple Queue Service (Amazon SQS) queue.
 * 4. Gets the SQS queue Amazon Resource Name (ARN) attribute.
 * 5. Attaches an AWS Identity and Access Management (IAM) policy to the queue.
 * 6. Subscribes to the SQS queue.
 * 7. Publishes a message to the topic.
 * 8. Displays the messages.
 * 9. Deletes the received message.
 * 10. Unsubscribes from the topic.
 * 11. Deletes the SNS topic.
 */
public class SNSWorkflow {
    public static final String DASHES = new String(new char[80]).replace("\0", "-");

    public static void main(String[] args) {
        final String usage = "\n" +
                "Usage:\n" +
                "    <fifoQueueARN>\n\n" +
                "Where:\n" +
                "    accountId - Your AWS account Id value.";

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

        SnsClient snsClient = SnsClient.builder()
                .region(Region.US_EAST_1)
                .credentialsProvider(EnvironmentVariableCredentialsProvider.create())
                .build();

        SqsClient sqsClient = SqsClient.builder()
                .region(Region.US_EAST_1)
                .credentialsProvider(EnvironmentVariableCredentialsProvider.create())
                .build();

        Scanner in = new Scanner(System.in);
        String accountId = "814548047983";
        String useFIFO;
        String duplication = "n";
        String topicName;
        String deduplicationID = null;
        String groupId = null;

        String topicArn;
        String sqsQueueName;
        String sqsQueueUrl;
        String sqsQueueArn;
        String subscriptionArn;
        boolean selectFIFO = false;

        String message;
        List<Message> messageList;
        List<String> filterList = new ArrayList<>();
        String msgAttValue = "";

        System.out.println(DASHES);
        System.out.println("Welcome to messaging with topics and queues.");
        System.out.println("In this workflow, you will create an SNS topic and subscribe an SQS queue to the topic.\n" +
                "You can select from several options for configuring the topic and the subscriptions for the queue.\n" +
                "You can then post to the topic and see the results in the queue.");
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("SNS topics can be configured as FIFO (First-In-First-Out).\n" +
                "FIFO topics deliver messages in order and support deduplication and message filtering.\n" +
                "Would you like to work with FIFO topics? (y/n)");
        useFIFO = in.nextLine();
        if (useFIFO.compareTo("y") == 0) {
            selectFIFO = true;
            System.out.println("You have selected FIFO");
            System.out.println(" Because you have chosen a FIFO topic, deduplication is supported.\n" +
                    "        Deduplication IDs are either set in the message or automatically generated from content using a hash function.\n"
                    +
                    "        If a message is successfully published to an SNS FIFO topic, any message published and determined to have the same deduplication ID,\n"
                    +
                    "        within the five-minute deduplication interval, is accepted but not delivered.\n" +
                    "        For more information about deduplication, see https://docs.aws.amazon.com/sns/latest/dg/fifo-message-dedup.html.");

            System.out.println(
                    "Would you like to use content-based deduplication instead of entering a deduplication ID? (y/n)");
            duplication = in.nextLine();
            if (duplication.compareTo("y") == 0) {
                System.out.println("Please enter a group id value");
                groupId = in.nextLine();
            } else {
                System.out.println("Please enter deduplication Id value");
                deduplicationID = in.nextLine();
                System.out.println("Please enter a group id value");
                groupId = in.nextLine();
            }
        }
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("2. Create a topic.");
        System.out.println("Enter a name for your SNS topic.");
        topicName = in.nextLine();
        if (selectFIFO) {
            System.out.println("Because you have selected a FIFO topic, '.fifo' must be appended to the topic name.");
            topicName = topicName + ".fifo";
            System.out.println("The name of the topic is " + topicName);
            topicArn = createFIFO(snsClient, topicName, duplication);
            System.out.println("The ARN of the FIFO topic is " + topicArn);

        } else {
            System.out.println("The name of the topic is " + topicName);
            topicArn = createSNSTopic(snsClient, topicName);
            System.out.println("The ARN of the non-FIFO topic is " + topicArn);

        }
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("3. Create an SQS queue.");
        System.out.println("Enter a name for your SQS queue.");
        sqsQueueName = in.nextLine();
        if (selectFIFO) {
            sqsQueueName = sqsQueueName + ".fifo";
        }
        sqsQueueUrl = createQueue(sqsClient, sqsQueueName, selectFIFO);
        System.out.println("The queue URL is " + sqsQueueUrl);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("4. Get the SQS queue ARN attribute.");
        sqsQueueArn = getSQSQueueAttrs(sqsClient, sqsQueueUrl);
        System.out.println("The ARN of the new queue is " + sqsQueueArn);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("5. Attach an IAM policy to the queue.");

        // Define the policy to use. Make sure that you change the REGION if you are
        // running this code
        // in a different region.
        String policy = "{\n" +
                "     \"Statement\": [\n" +
                "     {\n" +
                "         \"Effect\": \"Allow\",\n" +
                "                 \"Principal\": {\n" +
                "             \"Service\": \"sns.amazonaws.com\"\n" +
                "         },\n" +
                "         \"Action\": \"sqs:SendMessage\",\n" +
                "                 \"Resource\": \"arn:aws:sqs:us-east-1:" + accountId + ":" + sqsQueueName + "\",\n" +
                "                 \"Condition\": {\n" +
                "             \"ArnEquals\": {\n" +
                "                 \"aws:SourceArn\": \"arn:aws:sns:us-east-1:" + accountId + ":" + topicName + "\"\n" +
                "             }\n" +
                "         }\n" +
                "     }\n" +
                "     ]\n" +
                " }";

        setQueueAttr(sqsClient, sqsQueueUrl, policy);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("6. Subscribe to the SQS queue.");
        if (selectFIFO) {
            System.out.println(
                    "If you add a filter to this subscription, then only the filtered messages will be received in the queue.\n"
                            +
                            "For information about message filtering, see https://docs.aws.amazon.com/sns/latest/dg/sns-message-filtering.html\n"
                            +
                            "For this example, you can filter messages by a \"tone\" attribute.");
            System.out.println("Would you like to filter messages for " + sqsQueueName + "'s subscription to the topic "
                    + topicName + "?  (y/n)");
            String filterAns = in.nextLine();
            if (filterAns.compareTo("y") == 0) {
                boolean moreAns = false;
                System.out.println("You can filter messages by one or more of the following \"tone\" attributes.");
                System.out.println("1. cheerful");
                System.out.println("2. funny");
                System.out.println("3. serious");
                System.out.println("4. sincere");
                while (!moreAns) {
                    System.out.println("Select a number or choose 0 to end.");
                    String ans = in.nextLine();
                    switch (ans) {
                        case "1":
                            filterList.add("cheerful");
                            break;
                        case "2":
                            filterList.add("funny");
                            break;
                        case "3":
                            filterList.add("serious");
                            break;
                        case "4":
                            filterList.add("sincere");
                            break;
                        default:
                            moreAns = true;
                            break;
                    }
                }
            }
        }
        subscriptionArn = subQueue(snsClient, topicArn, sqsQueueArn, filterList);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("7. Publish a message to the topic.");
        if (selectFIFO) {
            System.out.println("Would you like to add an attribute to this message?  (y/n)");
            String msgAns = in.nextLine();
            if (msgAns.compareTo("y") == 0) {
                System.out.println("You can filter messages by one or more of the following \"tone\" attributes.");
                System.out.println("1. cheerful");
                System.out.println("2. funny");
                System.out.println("3. serious");
                System.out.println("4. sincere");
                System.out.println("Select a number or choose 0 to end.");
                String ans = in.nextLine();
                switch (ans) {
                    case "1":
                        msgAttValue = "cheerful";
                        break;
                    case "2":
                        msgAttValue = "funny";
                        break;
                    case "3":
                        msgAttValue = "serious";
                        break;
                    default:
                        msgAttValue = "sincere";
                        break;
                }

                System.out.println("Selected value is " + msgAttValue);
            }
            System.out.println("Enter a message.");
            message = in.nextLine();
            pubMessageFIFO(snsClient, message, topicArn, msgAttValue, duplication, groupId, deduplicationID);

        } else {
            System.out.println("Enter a message.");
            message = in.nextLine();
            pubMessage(snsClient, message, topicArn);
        }
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("8. Display the message. Press any key to continue.");
        in.nextLine();
        messageList = receiveMessages(sqsClient, sqsQueueUrl, msgAttValue);
        for (Message mes : messageList) {
            System.out.println("Message Id: " + mes.messageId());
            System.out.println("Full Message: " + mes.body());
        }
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("9. Delete the received message. Press any key to continue.");
        in.nextLine();
        deleteMessages(sqsClient, sqsQueueUrl, messageList);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("10. Unsubscribe from the topic and delete the queue. Press any key to continue.");
        in.nextLine();
        unSub(snsClient, subscriptionArn);
        deleteSQSQueue(sqsClient, sqsQueueName);
        System.out.println(DASHES);

        System.out.println(DASHES);
        System.out.println("11. Delete the topic. Press any key to continue.");
        in.nextLine();
        deleteSNSTopic(snsClient, topicArn);

        System.out.println(DASHES);
        System.out.println("The SNS/SQS workflow has completed successfully.");
        System.out.println(DASHES);
    }

    public static void deleteSNSTopic(SnsClient snsClient, String topicArn) {
        try {
            DeleteTopicRequest request = DeleteTopicRequest.builder()
                    .topicArn(topicArn)
                    .build();

            DeleteTopicResponse result = snsClient.deleteTopic(request);
            System.out.println("Status was " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

    public static void deleteSQSQueue(SqsClient sqsClient, String queueName) {
        try {
            GetQueueUrlRequest getQueueRequest = GetQueueUrlRequest.builder()
                    .queueName(queueName)
                    .build();

            String queueUrl = sqsClient.getQueueUrl(getQueueRequest).queueUrl();
            DeleteQueueRequest deleteQueueRequest = DeleteQueueRequest.builder()
                    .queueUrl(queueUrl)
                    .build();

            sqsClient.deleteQueue(deleteQueueRequest);
            System.out.println(queueName + " was successfully deleted.");

        } catch (SqsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

    public static void unSub(SnsClient snsClient, String subscriptionArn) {
        try {
            UnsubscribeRequest request = UnsubscribeRequest.builder()
                    .subscriptionArn(subscriptionArn)
                    .build();

            UnsubscribeResponse result = snsClient.unsubscribe(request);
            System.out.println("Status was " + result.sdkHttpResponse().statusCode()
                    + "\nSubscription was removed for " + request.subscriptionArn());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

    public static void deleteMessages(SqsClient sqsClient, String queueUrl, List<Message> messages) {
        try {
            List<DeleteMessageBatchRequestEntry> entries = new ArrayList<>();
            for (Message msg : messages) {
                DeleteMessageBatchRequestEntry entry = DeleteMessageBatchRequestEntry.builder()
                        .id(msg.messageId())
                        .build();

                entries.add(entry);
            }

            DeleteMessageBatchRequest deleteMessageBatchRequest = DeleteMessageBatchRequest.builder()
                    .queueUrl(queueUrl)
                    .entries(entries)
                    .build();

            sqsClient.deleteMessageBatch(deleteMessageBatchRequest);
            System.out.println("The batch delete of messages was successful");

        } catch (SqsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

    public static List<Message> receiveMessages(SqsClient sqsClient, String queueUrl, String msgAttValue) {
        try {
            if (msgAttValue.isEmpty()) {
                ReceiveMessageRequest receiveMessageRequest = ReceiveMessageRequest.builder()
                        .queueUrl(queueUrl)
                        .maxNumberOfMessages(5)
                        .build();
                return sqsClient.receiveMessage(receiveMessageRequest).messages();
            } else {
                // We know there are filters on the message.
                ReceiveMessageRequest receiveRequest = ReceiveMessageRequest.builder()
                        .queueUrl(queueUrl)
                        .messageAttributeNames(msgAttValue) // Include other message attributes if needed.
                        .maxNumberOfMessages(5)
                        .build();

                return sqsClient.receiveMessage(receiveRequest).messages();
            }

        } catch (SqsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return null;
    }

    public static void pubMessage(SnsClient snsClient, String message, String topicArn) {
        try {
            PublishRequest request = PublishRequest.builder()
                    .message(message)
                    .topicArn(topicArn)
                    .build();

            PublishResponse result = snsClient.publish(request);
            System.out
                    .println(result.messageId() + " Message sent. Status is " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

    public static void pubMessageFIFO(SnsClient snsClient,
            String message,
            String topicArn,
            String msgAttValue,
            String duplication,
            String groupId,
            String deduplicationID) {

        try {
            PublishRequest request;
            // Means the user did not choose to use a message attribute.
            if (msgAttValue.isEmpty()) {
                if (duplication.compareTo("y") == 0) {
                    request = PublishRequest.builder()
                            .message(message)
                            .messageGroupId(groupId)
                            .topicArn(topicArn)
                            .build();
                } else {
                    request = PublishRequest.builder()
                            .message(message)
                            .messageDeduplicationId(deduplicationID)
                            .messageGroupId(groupId)
                            .topicArn(topicArn)
                            .build();
                }

            } else {
                Map<String, MessageAttributeValue> messageAttributes = new HashMap<>();
                messageAttributes.put(msgAttValue, MessageAttributeValue.builder()
                        .dataType("String")
                        .stringValue("true")
                        .build());

                if (duplication.compareTo("y") == 0) {
                    request = PublishRequest.builder()
                            .message(message)
                            .messageGroupId(groupId)
                            .topicArn(topicArn)
                            .build();
                } else {
                    // Create a publish request with the message and attributes.
                    request = PublishRequest.builder()
                            .topicArn(topicArn)
                            .message(message)
                            .messageDeduplicationId(deduplicationID)
                            .messageGroupId(groupId)
                            .messageAttributes(messageAttributes)
                            .build();
                }
            }

            // Publish the message to the topic.
            PublishResponse result = snsClient.publish(request);
            System.out
                    .println(result.messageId() + " Message sent. Status was " + result.sdkHttpResponse().statusCode());

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

    // Subscribe to the SQS queue.
    public static String subQueue(SnsClient snsClient, String topicArn, String queueArn, List<String> filterList) {
        try {
            SubscribeRequest request;
            if (filterList.isEmpty()) {
                // No filter subscription is added.
                request = SubscribeRequest.builder()
                        .protocol("sqs")
                        .endpoint(queueArn)
                        .returnSubscriptionArn(true)
                        .topicArn(topicArn)
                        .build();

                SubscribeResponse result = snsClient.subscribe(request);
                System.out.println("The queue " + queueArn + " has been subscribed to the topic " + topicArn + "\n" +
                        "with the subscription ARN " + result.subscriptionArn());
                return result.subscriptionArn();
            } else {
                request = SubscribeRequest.builder()
                        .protocol("sqs")
                        .endpoint(queueArn)
                        .returnSubscriptionArn(true)
                        .topicArn(topicArn)
                        .build();

                SubscribeResponse result = snsClient.subscribe(request);
                System.out.println("The queue " + queueArn + " has been subscribed to the topic " + topicArn + "\n" +
                        "with the subscription ARN " + result.subscriptionArn());

                String attributeName = "FilterPolicy";
                Gson gson = new Gson();
                String jsonString = "{\"tone\": []}";
                JsonObject jsonObject = gson.fromJson(jsonString, JsonObject.class);
                JsonArray toneArray = jsonObject.getAsJsonArray("tone");
                for (String value : filterList) {
                    toneArray.add(new JsonPrimitive(value));
                }

                String updatedJsonString = gson.toJson(jsonObject);
                System.out.println(updatedJsonString);
                SetSubscriptionAttributesRequest attRequest = SetSubscriptionAttributesRequest.builder()
                        .subscriptionArn(result.subscriptionArn())
                        .attributeName(attributeName)
                        .attributeValue(updatedJsonString)
                        .build();

                snsClient.setSubscriptionAttributes(attRequest);
                return result.subscriptionArn();
            }

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }

    // Attach a policy to the queue.
    public static void setQueueAttr(SqsClient sqsClient, String queueUrl, String policy) {
        try {
            Map<software.amazon.awssdk.services.sqs.model.QueueAttributeName, String> attrMap = new HashMap<>();
            attrMap.put(QueueAttributeName.POLICY, policy);

            SetQueueAttributesRequest attributesRequest = SetQueueAttributesRequest.builder()
                    .queueUrl(queueUrl)
                    .attributes(attrMap)
                    .build();

            sqsClient.setQueueAttributes(attributesRequest);
            System.out.println("The policy has been successfully attached.");

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

    public static String getSQSQueueAttrs(SqsClient sqsClient, String queueUrl) {
        // Specify the attributes to retrieve.
        List<QueueAttributeName> atts = new ArrayList<>();
        atts.add(QueueAttributeName.QUEUE_ARN);

        GetQueueAttributesRequest attributesRequest = GetQueueAttributesRequest.builder()
                .queueUrl(queueUrl)
                .attributeNames(atts)
                .build();

        GetQueueAttributesResponse response = sqsClient.getQueueAttributes(attributesRequest);
        Map<String, String> queueAtts = response.attributesAsStrings();
        for (Map.Entry<String, String> queueAtt : queueAtts.entrySet())
            return queueAtt.getValue();

        return "";
    }

    public static String createQueue(SqsClient sqsClient, String queueName, Boolean selectFIFO) {
        try {
            System.out.println("\nCreate Queue");
            if (selectFIFO) {
                Map<QueueAttributeName, String> attrs = new HashMap<>();
                attrs.put(QueueAttributeName.FIFO_QUEUE, "true");
                CreateQueueRequest createQueueRequest = CreateQueueRequest.builder()
                        .queueName(queueName)
                        .attributes(attrs)
                        .build();

                sqsClient.createQueue(createQueueRequest);
                System.out.println("\nGet queue url");
                GetQueueUrlResponse getQueueUrlResponse = sqsClient
                        .getQueueUrl(GetQueueUrlRequest.builder().queueName(queueName).build());
                return getQueueUrlResponse.queueUrl();
            } else {
                CreateQueueRequest createQueueRequest = CreateQueueRequest.builder()
                        .queueName(queueName)
                        .build();

                sqsClient.createQueue(createQueueRequest);
                System.out.println("\nGet queue url");
                GetQueueUrlResponse getQueueUrlResponse = sqsClient
                        .getQueueUrl(GetQueueUrlRequest.builder().queueName(queueName).build());
                return getQueueUrlResponse.queueUrl();
            }

        } catch (SqsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }

    public static String createSNSTopic(SnsClient snsClient, String topicName) {
        CreateTopicResponse result;
        try {
            CreateTopicRequest request = CreateTopicRequest.builder()
                    .name(topicName)
                    .build();

            result = snsClient.createTopic(request);
            return result.topicArn();

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }

    public static String createFIFO(SnsClient snsClient, String topicName, String duplication) {
        try {
            // Create a FIFO topic by using the SNS service client.
            Map<String, String> topicAttributes = new HashMap<>();
            if (duplication.compareTo("n") == 0) {
                topicAttributes.put("FifoTopic", "true");
                topicAttributes.put("ContentBasedDeduplication", "false");
            } else {
                topicAttributes.put("FifoTopic", "true");
                topicAttributes.put("ContentBasedDeduplication", "true");
            }

            CreateTopicRequest topicRequest = CreateTopicRequest.builder()
                    .name(topicName)
                    .attributes(topicAttributes)
                    .build();

            CreateTopicResponse response = snsClient.createTopic(topicRequest);
            return response.topicArn();

        } catch (SnsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "";
    }
}

有关API详细信息，请参阅 “参AWS SDK for Java 2.x API考” 中的以下主题。

无服务器示例

以下代码示例说明如何实现一个 Lambda 函数，该函数接收通过接收来自主题的消息而触发的事件。SNS该函数从事件参数检索消息并记录每条消息的内容。

SDK适用于 Java 2.x

注意

还有更多相关信息 GitHub。在无服务器示例存储库中查找完整示例，并了解如何进行设置和运行。

使用 Java 在 Lambda 上使用SNS事件。


// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package example;

import com.amazonaws.services.lambda.runtime.Context;
import com.amazonaws.services.lambda.runtime.LambdaLogger;
import com.amazonaws.services.lambda.runtime.RequestHandler;
import com.amazonaws.services.lambda.runtime.events.SNSEvent;
import com.amazonaws.services.lambda.runtime.events.SNSEvent.SNSRecord;


import java.util.Iterator;
import java.util.List;

public class SNSEventHandler implements RequestHandler<SNSEvent, Boolean> {
    LambdaLogger logger;

    @Override
    public Boolean handleRequest(SNSEvent event, Context context) {
        logger = context.getLogger();
        List<SNSRecord> records = event.getRecords();
        if (!records.isEmpty()) {
            Iterator<SNSRecord> recordsIter = records.iterator();
            while (recordsIter.hasNext()) {
                processRecord(recordsIter.next());
            }
        }
        return Boolean.TRUE;
    }

    public void processRecord(SNSRecord record) {
        try {
            String message = record.getSNS().getMessage();
            logger.log("message: " + message);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

}

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要使用 Amazon Web Services 文档，必须启用 Javascript。请参阅浏览器的帮助页面以了解相关说明。

文档惯例

亚马逊 SES API v2

Amazon SQS