Example usage for com.amazonaws.services.sqs AmazonSQS createQueue

Introduction

In this page you can find the example usage for com.amazonaws.services.sqs AmazonSQS createQueue.

Prototype

CreateQueueResult createQueue(String queueName);

Source Link

Document

Simplified method form for invoking the CreateQueue operation.

Usage

From source file:twitter.SimpleQueueServiceSample.java

License:Open Source License

public static void main(String[] args) throws Exception {

    /*/* w  w w  .ja v  a  2s .  c o m*/
     * The ProfileCredentialsProvider will return your [default]
     * credential profile by reading from the credentials file located at
     * (~/.aws/credentials).
     */
    AWSCredentials credentials = null;
    try {
        credentials = new ProfileCredentialsProvider().getCredentials();
    } catch (Exception e) {
        throw new AmazonClientException("Cannot load the credentials from the credential profiles file. "
                + "Please make sure that your credentials file is at the correct "
                + "location (~/.aws/credentials), and is in valid format.", e);
    }

    AmazonSQS sqs = new AmazonSQSClient(credentials);
    Region usEast1 = Region.getRegion(Regions.US_EAST_1);
    sqs.setRegion(usEast1);

    System.out.println("===========================================");
    System.out.println("Getting Started with Amazon SQS");
    System.out.println("===========================================\n");

    try {
        // Create a queue
        System.out.println("Creating a new SQS queue called MyQueue.\n");
        CreateQueueRequest createQueueRequest = new CreateQueueRequest("MyQueue");
        String myQueueUrl = sqs.createQueue(createQueueRequest).getQueueUrl();
        System.out.println("queueUrl is:" + myQueueUrl);
        // List queues
        System.out.println("Listing all queues in your account.\n");
        for (String queueUrl : sqs.listQueues().getQueueUrls()) {
            System.out.println("  QueueUrl: " + queueUrl);
        }
        System.out.println();

        // Send a message
        System.out.println("Sending a message to MyQueue.\n");
        String id = "2";
        String tweet = "I am hungry";
        String workRequest = "{" + "  \"id\": \"" + id + "\"," + "  \"tweet\": \"" + tweet + "\"" + "}";
        sqs.sendMessage(new SendMessageRequest().withQueueUrl(myQueueUrl).withMessageBody(workRequest));

        //   sqs.sendMessage(new SendMessageRequest(myQueueUrl, "This is my message text."));

        // Receive messages
        System.out.println("Receiving messages from MyQueue.\n");
        //            ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(myQueueUrl);
        //            List<Message> messages = sqs.receiveMessage(receiveMessageRequest).getMessages();
        Thread.sleep(5000);
        String id2 = "3";
        String t = "yes,it is";
        String workRequest1 = "{" + "  \"id\": \"" + id2 + "\"," + "  \"tweet\": \"" + t + "\"" + "}";
        sqs.sendMessage(new SendMessageRequest().withQueueUrl(myQueueUrl).withMessageBody(workRequest1));
        ReceiveMessageRequest receiveMessageRequest1 = new ReceiveMessageRequest(myQueueUrl);
        List<Message> messages = sqs.receiveMessage(receiveMessageRequest1).getMessages();
        System.out.println("!!!!!" + messages.size());

        for (Message message : messages) {
            System.out.println("  Message");
            System.out.println("    MessageId:     " + message.getMessageId());
            System.out.println("    ReceiptHandle: " + message.getReceiptHandle());
            System.out.println("    MD5OfBody:     " + message.getMD5OfBody());
            System.out.println("    Body:          " + message.getBody());
            for (Entry<String, String> entry : message.getAttributes().entrySet()) {
                System.out.println("  Attribute");
                System.out.println("    Name:  " + entry.getKey());
                System.out.println("    Value: " + entry.getValue());
            }
        }
        System.out.println();

        // Delete a message
        System.out.println("Deleting a message.\n");
        String messageRecieptHandle = messages.get(0).getReceiptHandle();
        sqs.deleteMessage(new DeleteMessageRequest(myQueueUrl, messageRecieptHandle));

        // Delete a queue
        //   System.out.println("Deleting the test queue.\n");
        //   sqs.deleteQueue(new DeleteQueueRequest(myQueueUrl));
    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, which means your request made it "
                + "to Amazon SQS, but was rejected with an error response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, which means the client encountered "
                + "a serious internal problem while trying to communicate with SQS, such as not "
                + "being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
}