DescribeAlarms.java - AWS Code Sample

DescribeAlarms.java

DescribeAlarms.java demonstrates how to get information about Amazon CloudWatch alarms.

Note

To run this Java (SDK V2) code example, ensure that you have set up your development environment, including your credentials. For more information, see AWS SDK for Java 2.x Developer Guide.

/* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: Apache-2.0 */ package com.example.cloudwatch; import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.cloudwatch.CloudWatchClient; import software.amazon.awssdk.services.cloudwatch.model.CloudWatchException; import software.amazon.awssdk.services.cloudwatch.model.DescribeAlarmsRequest; import software.amazon.awssdk.services.cloudwatch.model.DescribeAlarmsResponse; import software.amazon.awssdk.services.cloudwatch.model.MetricAlarm; /** * To run this Java V2 code example, ensure that you have setup your development environment, including your credentials. * * For information, see this documentation topic: * * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html */ public class DescribeAlarms { public static void main(String[] args) { Region region = Region.US_EAST_1; CloudWatchClient cw = CloudWatchClient.builder() .region(region) .build(); deleteCWAlarms(cw) ; cw.close(); } public static void deleteCWAlarms( CloudWatchClient cw) { try { boolean done = false; String newToken = null; while(!done) { DescribeAlarmsResponse response; if (newToken == null) { DescribeAlarmsRequest request = DescribeAlarmsRequest.builder().build(); response = cw.describeAlarms(request); } else { DescribeAlarmsRequest request = DescribeAlarmsRequest.builder() .nextToken(newToken) .build(); response = cw.describeAlarms(request); } for(MetricAlarm alarm : response.metricAlarms()) { System.out.printf("\n Retrieved alarm %s", alarm.alarmName()); } if(response.nextToken() == null) { done = true; } else { newToken = response.nextToken(); } } } catch (CloudWatchException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } System.out.printf("Done"); } }

Sample Details

Service: Amazon CloudWatch

Last tested: 11/02/2020

Author: scmacdon - aws

Type: full-example