PutTargets.java - AWS Code Sample


PutTargets.java demonstrates how to creates an Amazon CloudWatch event-routing rule target.


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.services.cloudwatch.model.CloudWatchException; import software.amazon.awssdk.services.cloudwatchevents.CloudWatchEventsClient; import software.amazon.awssdk.services.cloudwatchevents.model.PutTargetsRequest; import software.amazon.awssdk.services.cloudwatchevents.model.PutTargetsResponse; import software.amazon.awssdk.services.cloudwatchevents.model.Target; /** * 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 PutTargets { public static void main(String[] args) { final String USAGE = "\n" + "Usage:\n" + " PutTargets <ruleName> <functionArn> <targetId> \n\n" + "Where:\n" + " ruleName - a rule name (for example, myrule).\n" + " functionArn - an AWS Lambda function ARN (for example, arn:aws:lambda:us-west-2:xxxxxx047983:function:lamda1).\n" + " targetId - a target id value.\n" ; if (args.length != 3) { System.out.println(USAGE); System.exit(1); } String ruleName = args[0]; String functionArn = args[1]; String targetId = args[2]; CloudWatchEventsClient cwe = CloudWatchEventsClient.builder().build(); putCWTargets(cwe, ruleName, functionArn, targetId); cwe.close(); } public static void putCWTargets(CloudWatchEventsClient cwe, String ruleName, String functionArn, String targetId ) { try { Target target = Target.builder() .arn(functionArn) .id(targetId) .build(); PutTargetsRequest request = PutTargetsRequest.builder() .targets(target) .rule(ruleName) .build(); PutTargetsResponse response = cwe.putTargets(request); System.out.printf( "Successfully created CloudWatch events target for rule %s", ruleName); } catch (CloudWatchException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }

Sample Details

Service: Amazon CloudWatch

Last tested: 11/02/2020

Author: scmacdon - aws

Type: full-example