Java tutorial
/** * Copyright 2013 BlackLocus * * 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://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License 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.blacklocus.qs.worker.aws; import com.amazonaws.services.sqs.AmazonSQSAsync; import com.amazonaws.services.sqs.AmazonSQSAsyncClient; import com.amazonaws.services.sqs.model.SendMessageRequest; import com.blacklocus.qs.worker.model.QSTaskModel; import com.fasterxml.jackson.databind.ObjectMapper; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; /** * @author Jason Dunkelberger (dirkraft) */ public class AmazonSQSAsyncPutTaskService { private static final Logger LOG = LoggerFactory.getLogger(AmazonSQSAsyncPutTaskService.class); private final String queueUrl; private final ObjectMapper objectMapper; private final AmazonSQSAsync sqs; public AmazonSQSAsyncPutTaskService(String queueUrl) { this(queueUrl, new AmazonSQSAsyncClient()); } public AmazonSQSAsyncPutTaskService(String queueUrl, AmazonSQSAsync sqs) { this(queueUrl, new ObjectMapper(), sqs); } public AmazonSQSAsyncPutTaskService(String queueUrl, ObjectMapper objectMapper, AmazonSQSAsync sqs) { this.queueUrl = queueUrl; this.objectMapper = objectMapper; this.sqs = sqs; } public void putTask(QSTaskModel task) { try { LOG.info("Queueing task: {}", task); String messageBody = objectMapper.writeValueAsString(task); sqs.sendMessage(new SendMessageRequest(queueUrl, messageBody)); LOG.debug("Queued to {}, message\n\t{}", queueUrl, messageBody); } catch (IOException e) { throw new RuntimeException(e); } } }