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

Introduction

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

Prototype

ReceiveMessageResult receiveMessage(String queueUrl);

Source Link

Document

Simplified method form for invoking the ReceiveMessage operation.

Usage

From source file:se252.jan15.calvinandhobbes.project0.IIScCampusMapGETProxyService.java

License:Open Source License

private static String getCategoryData(String category) {
    AmazonSQS queueClient = Queues.getQueue();
    String resp = null;/*from ww w.  java  2  s . c o m*/
    try {
        // Send a message
        queueClient.sendMessage(new SendMessageRequest(Queues.req, category));

        // Receive messages
        Boolean flag = true;
        while (flag) {
            ReceiveMessageRequest receiveReq = new ReceiveMessageRequest(Queues.resp);
            receiveReq.setWaitTimeSeconds(10);
            List<Message> messages = queueClient.receiveMessage(receiveReq).getMessages();
            for (Message message : messages) {
                String[] strs = message.getBody().split("\\$");
                if (strs[0].equals(category)) {
                    flag = false;
                    resp = strs[1];
                    queueClient
                            .deleteMessage(new DeleteMessageRequest(Queues.resp, message.getReceiptHandle()));
                    break;
                }
            }
        }
    } 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());
    }
    return resp;
}

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From source file:Server.aws.yulei.SQSOperation.java

License:Open Source License

public static void receiveSQS() {
    AWSCredentials credentials = null;// ww w  .  ja  va 2 s.  co  m
    try {
        credentials = new ProfileCredentialsProvider("default").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 (/Users/daniel/.aws/credentials), and is in valid format.", e);
    }

    AmazonSQS sqs = new AmazonSQSClient(credentials);
    Region usWest2 = Region.getRegion(Regions.US_EAST_1);
    sqs.setRegion(usWest2);

    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 = "https://sqs.us-east-1.amazonaws.com/659322195879/MyQueue";

        // List queues

        System.out.println("Receiving messages from MyQueue.\n");
        ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(myQueueUrl);
        List<Message> messages = sqs.receiveMessage(receiveMessageRequest).getMessages();
        for (Message message : messages) {
            String realData = message.getBody();
            AlchemyAPI alchemyObj = AlchemyAPI
                    .GetInstanceFromString("a47635756e657c0dac0bc2d282dbde377de01513");
            JSONParser parser = new JSONParser();
            JSONObject decodeObj = (JSONObject) parser.parse(realData);
            String content = (String) decodeObj.get("content");

            // load text
            String text = content;

            // analyze text
            Document doc = alchemyObj.TextGetTextSentiment(text);
            String score = "0.00000";
            // parse XML result
            //              String sentiment = doc.getElementsByTagName("type").item(0).getTextContent();
            //                score = doc.getElementsByTagName("score").item(0).getTextContent();
            decodeObj.put("score", score);
            decodeObj.put("sentiment", "Positive");
            StringWriter sw = new StringWriter();
            decodeObj.writeJSONString(sw);

            String jsonText = sw.toString();
            SNSPushToGCM.push(jsonText);
        }

    } catch (Exception e) {
        Thread.currentThread().interrupt();
    }

}

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From source file:shnakkydoodle.queueing.provider.aws.AwsProvider.java

License:Open Source License

/**
 * Dequeue a message/*from ww w .  j  ava 2  s  .com*/
 * 
 * @param queuename
 * @param message
 */
@Override
public String dequeue(String queueName) throws Exception {

    AmazonSQS sqs = new AmazonSQSClient(credentials);
    sqs.setRegion(Region.EU_Ireland.toAWSRegion());
    sqs.createQueue(queueName);
    CreateQueueRequest createQueueRequest = new CreateQueueRequest(queueName);
    String queueUrl = sqs.createQueue(createQueueRequest).getQueueUrl();

    ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(queueUrl);
    Message message = sqs.receiveMessage(receiveMessageRequest).getMessages().get(0);
    if (message != null) {
        sqs.deleteMessage(new DeleteMessageRequest(queueUrl, message.getReceiptHandle()));
        return message.getBody();
    }
    return null;
}

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From source file:shnakkydoodle.queueing.provider.aws.AwsProvider.java

License:Open Source License

/**
 * Dequeue all messages//from www . j  a v  a  2s.  c o m
 * 
 * @param queuename
 * @param message
 * @return all the messages
 */
@Override
public ArrayList<String> dequeueAll(String queueName) throws Exception {

    ArrayList<String> data = new ArrayList<String>();

    AmazonSQS sqs = new AmazonSQSClient(credentials);
    sqs.setRegion(Region.EU_Ireland.toAWSRegion());
    sqs.createQueue(queueName);
    CreateQueueRequest createQueueRequest = new CreateQueueRequest(queueName);
    String queueUrl = sqs.createQueue(createQueueRequest).getQueueUrl();
    ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(queueUrl);
    for (Message message : sqs.receiveMessage(receiveMessageRequest).getMessages()) {
        data.add(message.getBody());
        sqs.deleteMessage(new DeleteMessageRequest(queueUrl, message.getReceiptHandle()));
    }
    return data;
}

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From source file:sqs_examples.SimpleQueueServiceSample.java

License:Open Source License

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

    /*/*from  w  ww.  ja va  2 s .c om*/
     * The ProfileCredentialsProvider will return your [default]
     * credential profile by reading from the credentials file located at
     * (/Users/pmacharl/.aws/credentials).
     */
    AWSCredentials credentials = null;
    try {
        credentials = new ProfileCredentialsProvider("default").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 (/Users/pmacharl/.aws/credentials), and is in valid format.", e);
    }

    AmazonSQS sqs = new AmazonSQSClient(credentials);
    Region usWest2 = Region.getRegion(Regions.US_WEST_2);
    sqs.setRegion(usWest2);

    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();

        // 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");
        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();
        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 messageReceiptHandle = messages.get(0).getReceiptHandle();
        sqs.deleteMessage(new DeleteMessageRequest(myQueueUrl, messageReceiptHandle));

        // 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());
    }
}

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From source file:test1.SimpleQueueServiceSample.java

License:Open Source License

public static List<Message> receive(AmazonSQS sqs, String myQueueUrl) throws Exception {
    ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(myQueueUrl);
    List<Message> messages = sqs.receiveMessage(receiveMessageRequest).getMessages();
    for (Message message : messages)
        SimpleQueueServiceSample.deleteMessage(sqs, myQueueUrl, message);
    return messages;
}

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From source file:twitter.SimpleQueueServiceSample.java

License:Open Source License

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

    /*/*ww w  .j a  v a 2s. com*/
     * 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());
    }
}

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