Xojo Plugin
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 Xojo Plugin Downloads

Xojo Plugin
Dim success As Boolean
success = False

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

Dim rest As New Chilkat.Rest

// Connect to the Amazon AWS REST server.
// such as https://sqs.us-west-2.amazonaws.com/
Dim bTls As Boolean
bTls = True
Dim port As Int32
port = 443
Dim bAutoReconnect As Boolean
bAutoReconnect = True
success = rest.Connect("sqs.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

// Provide AWS credentials for the REST call.
Dim authAws As New Chilkat.AuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
// the region should match our URL above..
authAws.Region = "us-west-2"
authAws.ServiceName = "sqs"

success = rest.SetAuthAws(authAws)

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

// Use the actual path part of your SQS queue URL here:
Dim responseXml As String
responseXml = rest.FullRequestNoBody("GET","/123456789123/chilkatTest")
If (rest.LastMethodSuccess <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    System.DebugLog("response status code = " + Str(rest.ResponseStatusCode))
    System.DebugLog("response status text = " + rest.ResponseStatusText)
    System.DebugLog("response header: " + rest.ResponseHeader)
    System.DebugLog("response body: " + responseXml)
    Return
End If

// Examine the successful XML response.
Dim xml As New Chilkat.Xml
success = xml.LoadXml(responseXml)
System.DebugLog(xml.GetXml())
System.DebugLog("----")

// 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:
System.DebugLog("Body: " + xml.ChilkatPath("ReceiveMessageResult|Message|Body|*"))
System.DebugLog("MessageId: " + xml.ChilkatPath("ReceiveMessageResult|Message|MessageId|*"))

Dim unused As String
unused = xml.ChilkatPath("ReceiveMessageResult|Message[0]|Attribute|$")

Dim rec As Chilkat.Xml
rec = xml.FindNextRecord("Name","SenderId")
System.DebugLog("SenderId: " + rec.GetChildContent("Value"))

rec = xml.FindNextRecord("Name","ApproximateFirstReceiveTimestamp")
System.DebugLog("ApproximateFirstReceiveTimestamp: " + rec.GetChildContent("Value"))

rec = xml.FindNextRecord("Name","ApproximateReceiveCount")
System.DebugLog("ApproximateReceiveCount: " + rec.GetChildContent("Value"))

rec = xml.FindNextRecord("Name","SentTimestamp")
System.DebugLog("SentTimestamp: " + rec.GetChildContent("Value"))

xml.GetRoot2