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(Visual Basic 6.0) SQS Delete MessageDeletes a message from an SQS queue. You specify the message by using the message's receipt handle and not the message ID you received when you sent the message. This example will first receive a message, and then use the receipt handle to delete it. See SQS DeleteMessage or detailed information.
' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. Dim rest As New ChilkatRest ' Connect to the Amazon AWS REST server. ' such as https://sqs.us-west-2.amazonaws.com/ Dim bTls As Long bTls = 1 Dim port As Long port = 443 Dim bAutoReconnect As Long bAutoReconnect = 1 Dim success As Long success = rest.Connect("sqs.us-west-2.amazonaws.com",port,bTls,bAutoReconnect) ' Provide AWS credentials for the REST call. Dim authAws As New ChilkatAuthAws 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 <> 1) Then Debug.Print rest.LastErrorText Exit Sub End If ' A successful response will have a status code equal to 200. If (rest.ResponseStatusCode <> 200) Then Debug.Print "response status code = " & rest.ResponseStatusCode Debug.Print "response status text = " & rest.ResponseStatusText Debug.Print "response header: " & rest.ResponseHeader Debug.Print "response body: " & responseXml Exit Sub End If ' Examine the successful XML response. Dim xml As New ChilkatXml success = xml.LoadXml(responseXml) ' 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> ' ... ' ... ' <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: Dim receiptHandle As String receiptHandle = xml.ChilkatPath("ReceiveMessageResult|Message|ReceiptHandle|*") Debug.Print "ReceiptHandle = " & receiptHandle ' Now use the receipt handle to delete the message. ' Use the same connection (or automatically reconnect if needed) success = rest.ClearAllQueryParams() success = rest.AddQueryParam("Action","DeleteMessage") success = rest.AddQueryParam("ReceiptHandle",receiptHandle) ' Use the actual path part of your SQS queue URL here: responseXml = rest.FullRequestNoBody("GET","/123456789123/chilkatTest") If (rest.LastMethodSuccess <> 1) Then Debug.Print rest.LastErrorText Exit Sub End If ' A successful response will have a status code equal to 200. If (rest.ResponseStatusCode <> 200) Then Debug.Print "response status code = " & rest.ResponseStatusCode Debug.Print "response status text = " & rest.ResponseStatusText Debug.Print "response header: " & rest.ResponseHeader Debug.Print "response body: " & responseXml Exit Sub End If ' Examine the successful XML response. success = xml.LoadXml(responseXml) Debug.Print xml.GetXml() ' A successful DeleteMessage response looks like this: ' <DeleteMessageResponse> ' <ResponseMetadata> ' <RequestId> ' b5293cb5-d306-4a17-9048-b263635abe42 ' </RequestId> ' </ResponseMetadata> ' </DeleteMessageResponse> |
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