BAEL-1173 - Add spring-cloud-aws module (#3046)

2017-11-20 21:54:03 +05:30
parent 6211154062
commit dba132f7de
18 changed files with 832 additions and 0 deletions
@@ -0,0 +1,12 @@
+package com.baeldung.spring.cloud.aws;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringCloudAwsApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringCloudAwsApplication.class, args);
+    }
+}
@@ -0,0 +1,22 @@
+package com.baeldung.spring.cloud.aws.config;
+
+import com.amazonaws.services.sns.AmazonSNS;
+import com.amazonaws.services.sqs.AmazonSQSAsync;
+import org.springframework.cloud.aws.messaging.core.NotificationMessagingTemplate;
+import org.springframework.cloud.aws.messaging.core.QueueMessagingTemplate;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SpringCloudAwsConfig {
+
+    @Bean
+    public QueueMessagingTemplate queueMessagingTemplate(AmazonSQSAsync amazonSQSAsync) {
+        return new QueueMessagingTemplate(amazonSQSAsync);
+    }
+
+    @Bean
+    public NotificationMessagingTemplate notificationMessagingTemplate(AmazonSNS amazonSNS) {
+        return new NotificationMessagingTemplate(amazonSNS);
+    }
+}
@@ -0,0 +1,52 @@
+package com.baeldung.spring.cloud.aws.s3;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.core.io.WritableResource;
+import org.springframework.core.io.support.ResourcePatternResolver;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+
+@Component
+public class SpringCloudS3 {
+
+    @Autowired
+    ResourceLoader resourceLoader;
+
+    @Autowired
+    ResourcePatternResolver resourcePatternResolver;
+
+    public void downloadS3Object(String s3Url) throws IOException {
+        Resource resource = resourceLoader.getResource(s3Url);
+        File downloadedS3Object = new File(resource.getFilename());
+        try (InputStream inputStream = resource.getInputStream()) {
+            Files.copy(inputStream, downloadedS3Object.toPath(), StandardCopyOption.REPLACE_EXISTING);
+        }
+    }
+
+    public void uploadFileToS3(File file, String s3Url) throws IOException {
+        WritableResource resource = (WritableResource) resourceLoader.getResource(s3Url);
+        try (OutputStream outputStream = resource.getOutputStream()) {
+            Files.copy(file.toPath(), outputStream);
+        }
+    }
+
+    public void downloadMultipleS3Objects(String s3UrlPattern) throws IOException {
+        Resource[] allFileMatchingPatten = this.resourcePatternResolver.getResources(s3UrlPattern);
+        for (Resource resource : allFileMatchingPatten) {
+            String fileName = resource.getFilename();
+            fileName = fileName.substring(0, fileName.lastIndexOf("/") + 1);
+            File downloadedS3Object = new File(fileName);
+            try (InputStream inputStream = resource.getInputStream()) {
+                Files.copy(inputStream, downloadedS3Object.toPath(), StandardCopyOption.REPLACE_EXISTING);
+            }
+        }
+    }
+}
@@ -0,0 +1,36 @@
+package com.baeldung.spring.cloud.aws.sns;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.cloud.aws.messaging.config.annotation.NotificationMessage;
+import org.springframework.cloud.aws.messaging.config.annotation.NotificationSubject;
+import org.springframework.cloud.aws.messaging.endpoint.NotificationStatus;
+import org.springframework.cloud.aws.messaging.endpoint.annotation.NotificationMessageMapping;
+import org.springframework.cloud.aws.messaging.endpoint.annotation.NotificationSubscriptionMapping;
+import org.springframework.cloud.aws.messaging.endpoint.annotation.NotificationUnsubscribeConfirmationMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/topic-subscriber")
+public class SNSEndpointController {
+
+    private static final Logger logger = LoggerFactory.getLogger(SNSEndpointController.class);
+
+    @NotificationMessageMapping
+    public void receiveNotification(@NotificationMessage String message, @NotificationSubject String subject) {
+        logger.info("Received message: {}, having subject: {}", message, subject);
+    }
+
+    @NotificationUnsubscribeConfirmationMapping
+    public void confirmSubscriptionMessage(NotificationStatus notificationStatus) {
+        logger.info("Unsubscribed from Topic");
+        notificationStatus.confirmSubscription();
+    }
+
+    @NotificationSubscriptionMapping
+    public void confirmUnsubscribeMessage(NotificationStatus notificationStatus) {
+        logger.info("Subscribed to Topic");
+        notificationStatus.confirmSubscription();
+    }
+}
@@ -0,0 +1,16 @@
+package com.baeldung.spring.cloud.aws.sns;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.aws.messaging.core.NotificationMessagingTemplate;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SNSMessageSender {
+
+    @Autowired
+    NotificationMessagingTemplate notificationMessagingTemplate;
+
+    public void send(String topicName, Object message, String subject) {
+        notificationMessagingTemplate.sendNotification(topicName, message, subject);
+    }
+}
@@ -0,0 +1,46 @@
+package com.baeldung.spring.cloud.aws.sqs;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.aws.messaging.core.QueueMessagingTemplate;
+import org.springframework.cloud.aws.messaging.listener.annotation.SqsListener;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.messaging.handler.annotation.Header;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.CountDownLatch;
+
+@Component
+@Lazy
+public class SpringCloudSQS {
+
+    private static final Logger logger = LoggerFactory.getLogger(SpringCloudSQS.class);
+
+    static final String QUEUE_NAME = "spring-cloud-test-queue";
+
+    /*
+     * CountDownLatch is added to wait for messages
+     * during integration test
+     */
+    CountDownLatch countDownLatch;
+
+    public void setCountDownLatch(CountDownLatch countDownLatch) {
+        this.countDownLatch = countDownLatch;
+    }
+
+    @Autowired
+    QueueMessagingTemplate queueMessagingTemplate;
+
+    @SqsListener(QUEUE_NAME)
+    public void receiveMessage(String message, @Header("SenderId") String senderId) {
+        logger.info("Received message: {}, having SenderId: {}", message, senderId);
+        if (countDownLatch != null) {
+            countDownLatch.countDown();
+        }
+    }
+
+    public void send(String queueName, Object message) {
+        queueMessagingTemplate.convertAndSend(queueName, message);
+    }
+}
@@ -0,0 +1,14 @@
+cloud.aws.credentials.accessKey=YourAccessKey
+cloud.aws.credentials.secretKey=YourSecretKey
+cloud.aws.region.static=us-east-1
+
+cloud.aws.rds.spring-cloud-test-db
+cloud.aws.rds.spring-cloud-test-db.password=se3retpass
+
+# These 3 properties are optional
+cloud.aws.rds.spring-cloud-test-db.username=testuser
+cloud.aws.rds.spring-cloud-test-db.readReplicaSupport=true
+cloud.aws.rds.spring-cloud-test-db.databaseName=test
+
+# Disable auto cloudfromation
+cloud.aws.stack.auto=false