Ruby
SQS Receive Message

Retrieves one or more messages from an Amazon SQS queue, with a maximum limit of 10 messages, from the specified queue.
See SQS ReceiveMessage or detailed information.
Chilkat Ruby Downloads

Ruby
require 'chilkat'

success = false

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = Chilkat::CkRest.new()

# Connect to the Amazon AWS REST server.
# such as https://sqs.us-west-2.amazonaws.com/
bTls = true
port = 443
bAutoReconnect = true
success = rest.Connect("sqs.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

# Provide AWS credentials for the REST call.
authAws = Chilkat::CkAuthAws.new()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_SecretKey("AWS_SECRET_KEY")
# the region should match our URL above..
authAws.put_Region("us-west-2")
authAws.put_ServiceName("sqs")

rest.SetAuthAws(authAws)

rest.AddQueryParam("Action","ReceiveMessage")
rest.AddQueryParam("MaxNumberOfMessages","5")
rest.AddQueryParam("VisibilityTimeout","15")
rest.AddQueryParam("AttributeName","All")
rest.AddQueryParam("MessageAttributeName","All")

# Use the actual path part of your SQS queue URL here:
responseXml = rest.fullRequestNoBody("GET","/123456789123/chilkatTest")
if (rest.get_LastMethodSuccess() != true)
    print rest.lastErrorText() + "\n";
    exit
end

# A successful response will have a status code equal to 200.
if (rest.get_ResponseStatusCode() != 200)
    print "response status code = " + rest.get_ResponseStatusCode().to_s() + "\n";
    print "response status text = " + rest.responseStatusText() + "\n";
    print "response header: " + rest.responseHeader() + "\n";
    print "response body: " + responseXml + "\n";
    exit
end

# Examine the successful XML response.
xml = Chilkat::CkXml.new()
xml.LoadXml(responseXml)
print xml.getXml() + "\n";
print "----" + "\n";

# A successful response looks like this:
# <?xml version="1.0" encoding="utf-8" ?>
# <ReceiveMessageResponse xmlns="http://queue.amazonaws.com/doc/2012-11-05/">
#     <ReceiveMessageResult>
#         <Message>
#             <Body>this is a test</Body>
#             <MD5OfBody>54b0c58c7ce9f2a8b551351102ee0938</MD5OfBody>
#             <ReceiptHandle>AQEBMyLof...UbKBTvHtEg==</ReceiptHandle>
#             <Attribute>
#                 <Name>SenderId</Name>
#                 <Value>957491831129</Value>
#             </Attribute>
#             <Attribute>
#                 <Name>ApproximateFirstReceiveTimestamp</Name>
#                 <Value>1475013283557</Value>
#             </Attribute>
#             <Attribute>
#                 <Name>ApproximateReceiveCount</Name>
#                 <Value>4</Value>
#             </Attribute>
#             <Attribute>
#                 <Name>SentTimestamp</Name>
#                 <Value>1475013283557</Value>
#             </Attribute>
#             <MessageId>52882c65-5e21-4450-9024-93a3b01e61d3</MessageId>
#             <MD5OfMessageAttributes>2ff68603f4239272bd03f543254ed040</MD5OfMessageAttributes>
#         </Message>
#     </ReceiveMessageResult>
#     <ResponseMetadata>
#         <RequestId>05ba5c92-80ee-5f87-be76-0cf67b7475d6</RequestId>
#     </ResponseMetadata>
# </ReceiveMessageResponse>

# Get some values from the XML:
print "Body: " + xml.chilkatPath("ReceiveMessageResult|Message|Body|*") + "\n";
print "MessageId: " + xml.chilkatPath("ReceiveMessageResult|Message|MessageId|*") + "\n";

unused = xml.chilkatPath("ReceiveMessageResult|Message[0]|Attribute|$")

# rec is a CkXml
rec = xml.FindNextRecord("Name","SenderId")
print "SenderId: " + rec.getChildContent("Value") + "\n";

# rec is a CkXml
rec = xml.FindNextRecord("Name","ApproximateFirstReceiveTimestamp")
print "ApproximateFirstReceiveTimestamp: " + rec.getChildContent("Value") + "\n";

# rec is a CkXml
rec = xml.FindNextRecord("Name","ApproximateReceiveCount")
print "ApproximateReceiveCount: " + rec.getChildContent("Value") + "\n";

# rec is a CkXml
rec = xml.FindNextRecord("Name","SentTimestamp")
print "SentTimestamp: " + rec.getChildContent("Value") + "\n";

xml.GetRoot2()