SendReceiveMessages.java - AWS Code Sample

SendReceiveMessages.java

SendReceiveMessages.java demonstrates how to send multiple messages to a queue, check for those messages, and delete the messages once received.

/* * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://aws.amazon.com/apache2.0 * * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES * OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and * limitations under the License. */ package com.example.sqs; import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.sqs.SqsClient; import software.amazon.awssdk.services.sqs.model.CreateQueueRequest; import software.amazon.awssdk.services.sqs.model.CreateQueueResponse; import software.amazon.awssdk.services.sqs.model.GetQueueUrlRequest; import software.amazon.awssdk.services.sqs.model.Message; import software.amazon.awssdk.services.sqs.model.QueueNameExistsException; import software.amazon.awssdk.services.sqs.model.ReceiveMessageRequest; import software.amazon.awssdk.services.sqs.model.SendMessageBatchRequest; import software.amazon.awssdk.services.sqs.model.SendMessageBatchRequestEntry; import software.amazon.awssdk.services.sqs.model.SendMessageRequest; import java.util.Date; import java.util.List; public class SendReceiveMessages { private static final String QUEUE_NAME = "testQueue" + new Date().getTime(); public static void main(String[] args) { SqsClient sqsClient = SqsClient.builder() .region(Region.US_WEST_2) .build(); try { CreateQueueRequest request = CreateQueueRequest.builder() .queueName(QUEUE_NAME) .build(); CreateQueueResponse createResult = sqsClient.createQueue(request); GetQueueUrlRequest getQueueRequest = GetQueueUrlRequest.builder() .queueName(QUEUE_NAME) .build(); String queueUrl = sqsClient.getQueueUrl(getQueueRequest).queueUrl(); SendMessageRequest sendMsgRequest = SendMessageRequest.builder() .queueUrl(queueUrl) .messageBody("hello world") .delaySeconds(5) .build(); sqsClient.sendMessage(sendMsgRequest); // Send multiple messages to the queue SendMessageBatchRequest sendBatchRequest = SendMessageBatchRequest.builder() .queueUrl(queueUrl) .entries( SendMessageBatchRequestEntry.builder() .messageBody("Hello from message 1") .id("msg_1") .build() , SendMessageBatchRequestEntry.builder() .messageBody("Hello from message 2") .delaySeconds(10) .id("msg_2") .build()) .build(); sqsClient.sendMessageBatch(sendBatchRequest); // Receive messages from the queue ReceiveMessageRequest receiveRequest = ReceiveMessageRequest.builder() .queueUrl(queueUrl) .build(); List<Message> messages = sqsClient.receiveMessage(receiveRequest).messages(); // Print out the messages for (Message m : messages) { System.out.println("\n" +m.body()); } } catch (QueueNameExistsException e) { throw e; } } }

Sample Details

Service: sqs

Last tested: 2/24/2020

Author: scmacdon-aws

Type: full-example