ListTopicsv2
ListTopicsv2.go
This example lists the ARNs for your Amazon SNS topics.
go run ListTopicsv2.go
Source code
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX - License - Identifier: Apache - 2.0
package main
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/service/sns"
)
// SNSListTopicsAPI defines the interface for the ListTopics function.
// We use this interface to test the function using a mocked service.
type SNSListTopicsAPI interface {
ListTopics(ctx context.Context,
params *sns.ListTopicsInput,
optFns ...func(*sns.Options)) (*sns.ListTopicsOutput, error)
}
// GetTopics retrieves information about the Amazon Simple Notification Service (Amazon SNS) topics
// Inputs:
// c is the context of the method call, which includes the Region
// api is the interface that defines the method call
// input defines the input arguments to the service call.
// Output:
// If success, a ListTopicsOutput object containing the result of the service call and nil
// Otherwise, nil and an error from the call to ListTopics
func GetTopics(c context.Context, api SNSListTopicsAPI, input *sns.ListTopicsInput) (*sns.ListTopicsOutput, error) {
return api.ListTopics(c, input)
}
func main() {
cfg, err := config.LoadDefaultConfig(context.TODO())
if err != nil {
panic("configuration error, " + err.Error())
}
client := sns.NewFromConfig(cfg)
input := &sns.ListTopicsInput{}
results, err := GetTopics(context.TODO(), client, input)
if err != nil {
fmt.Println("Got an error retrieving information about the SNS topics:")
fmt.Println(err)
return
}
for _, t := range results.Topics {
fmt.Println(*t.TopicArn)
}
}
See the complete example in GitHub.
Last modified January 15, 2021: Code Example Highlighting, Vairous Documentation Fixes (#1045) (495b900)