| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.camel.kafkaconnector.clients.aws.sqs; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.function.Predicate; |
| |
| import com.amazonaws.services.sqs.AmazonSQS; |
| import com.amazonaws.services.sqs.model.CreateQueueRequest; |
| import com.amazonaws.services.sqs.model.DeleteQueueResult; |
| import com.amazonaws.services.sqs.model.GetQueueUrlResult; |
| import com.amazonaws.services.sqs.model.Message; |
| import com.amazonaws.services.sqs.model.ReceiveMessageRequest; |
| import com.amazonaws.services.sqs.model.ReceiveMessageResult; |
| import com.amazonaws.services.sqs.model.SendMessageRequest; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class AWSSQSClient { |
| private static final Logger LOG = LoggerFactory.getLogger(AWSSQSClient.class); |
| |
| private final AmazonSQS sqs; |
| private int maxWaitTime = 10; |
| private int maxNumberOfMessages = 1; |
| |
| public AWSSQSClient(AmazonSQS sqs) { |
| this.sqs = sqs; |
| } |
| |
| public String getQueue(String queue) { |
| final Map<String, String> queueAttributes = new HashMap<>(); |
| |
| final CreateQueueRequest createFifoQueueRequest = new CreateQueueRequest(queue) |
| .withAttributes(queueAttributes); |
| |
| return sqs.createQueue(createFifoQueueRequest) |
| .getQueueUrl(); |
| } |
| |
| |
| public void receive(String queue, Predicate<List<Message>> predicate) { |
| final String queueUrl = getQueue(queue); |
| |
| LOG.debug("Consuming messages from {}", queueUrl); |
| |
| final ReceiveMessageRequest request = new ReceiveMessageRequest(queueUrl) |
| .withWaitTimeSeconds(maxWaitTime) |
| .withMaxNumberOfMessages(maxNumberOfMessages); |
| |
| while (true) { |
| ReceiveMessageResult result = sqs.receiveMessage(request); |
| |
| List<Message> messages = result.getMessages(); |
| |
| if (!predicate.test(messages)) { |
| return; |
| } |
| } |
| } |
| |
| |
| public void send(String queue, String body) { |
| final String queueUrl = getQueue(queue); |
| |
| LOG.debug("Sending messages to {}", queueUrl); |
| |
| SendMessageRequest request = new SendMessageRequest() |
| .withQueueUrl(queueUrl) |
| .withMessageBody(body); |
| |
| sqs.sendMessage(request); |
| } |
| |
| public boolean deleteQueue(String queue) { |
| GetQueueUrlResult getQueueUrlResult = sqs.getQueueUrl(queue); |
| |
| if (getQueueUrlResult.getSdkHttpMetadata().getHttpStatusCode() == 404) { |
| return true; |
| } else { |
| if (getQueueUrlResult.getSdkHttpMetadata().getHttpStatusCode() != 200) { |
| LOG.warn("Unable to get queue {} for deletion", queue); |
| |
| return false; |
| } |
| } |
| |
| DeleteQueueResult result = sqs.deleteQueue(getQueueUrlResult.getQueueUrl()); |
| |
| if (result.getSdkHttpMetadata().getHttpStatusCode() != 200) { |
| LOG.warn("Unable to delete queue {}", queue); |
| return false; |
| } |
| |
| return true; |
| } |
| } |