Chilkat Examples

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Xojo Plugin Examples

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(Xojo Plugin) SQS Send Message

Note: This example requires a patch to work properly. It requires Chilkat v9.5.0.61, which can be obtained upon request to support@chilkatsoft.com

Delivers a message to the specified queue. With Amazon SQS, you now have the ability to send large payload messages that are up to 256KB (262,144 bytes) in size.

See SQS SendMessage or detailed information.

Chilkat Xojo Plugin Download

Xojo Plugin for Windows, Linux, Mac OS X, and ARM

//  Note: This example requires a patch to work properly.
//  It requires Chilkat v9.5.0.61, which can be obtained upon request to support@chilkatsoft.com

//  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
Dim success As Boolean
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","SendMessage")
success = rest.AddQueryParam("MessageBody","This is the message body which can be up to 256K in size.")
success = rest.AddQueryParam("MessageAttribute.1.Name","test_attribute_name_1")
success = rest.AddQueryParam("MessageAttribute.1.Value.StringValue","test_attribute_value_1")
success = rest.AddQueryParam("MessageAttribute.1.Value.DataType","String")
success = rest.AddQueryParam("MessageAttribute.2.Name","test_attribute_name_2")
success = rest.AddQueryParam("MessageAttribute.2.Value.StringValue","test_attribute_value_2")
success = rest.AddQueryParam("MessageAttribute.2.Value.DataType","String")

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

Dim xml As New Chilkat.Xml

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

//  Examine the successful XML response.
success = xml.LoadXml(responseXml)
System.DebugLog(xml.GetXml())
System.DebugLog("----")

//  A successful response looks like this:
//  <?xml version="1.0" encoding="utf-8" ?>
//  <SendMessageResponse>
//      <SendMessageResult>
//          <MD5OfMessageBody>
//              fafb00f5732ab283681e124bf8747ed1
//          </MD5OfMessageBody>
//          <MD5OfMessageAttributes>
//  	    3ae8f24a165a8cedc005670c81a27295
//          </MD5OfMessageAttributes>
//          <MessageId>
//              5fea7756-0ea4-451a-a703-a558b933e274
//          </MessageId>
//      </SendMessageResult>
//      <ResponseMetadata>
//          <RequestId>
//              27daac76-34dd-47df-bd01-1f6e873584a0
//          </RequestId>
//      </ResponseMetadata>
//  </SendMessageResponse>

//  Get some values from the response XML:
System.DebugLog("Body: " + xml.ChilkatPath("SendMessageResult|MD5OfMessageBody|*"))
System.DebugLog("MessageId: " + xml.ChilkatPath("SendMessageResult|MessageId|*"))
System.DebugLog("RequestId: " + xml.ChilkatPath("ResponseMetadata|RequestId|*"))

 

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