あなたがクライアントである限り、SOAP サーバーへの HTTP 通信を処理するために MSXML-API を使用できます。
HTTP 処理のクラスの例を次に示します。
Option Explicit
Private HTTPHandler As MSXML2.ServerXMLHTTP
Public Event OnReadyStateChange()
Public Sub SendSoapRequest()
Dim SoapDocument As MSXML2.DOMDocument
'set the document
'eigther as string
SoapDocument.loadXML "<xml......"
'or from file
SoapDocument.Load "C:\Foo\SoapDoc.xml"
'or by assembling it in code (see MSXML-documentation)
SoapDocument.appendChild SoapDocument.createNode(NODE_ELEMENT, "SoapDocRootNode", "NamespaceURI")
SoapDocument.documentElement SoapDocument.createNode(NODE_ELEMENT, "SoapDoc1stChild", "")
'...
SendRequest SoapDocument, "http://soapserver:8080/someresurce/"
End Sub
Private Sub SendRequest(XmlDoc As MSXML2.DOMDocument, URL)
On Error GoTo ErrReq
'setting the URL and the request type (in this case POST to transmit the XML-Document)
HTTPHandler.open "POST", URL, True
'setting the request-header
'optional but some servers require it
HTTPHandler.setRequestHeader "Content-Type", "text/xml"
HTTPHandler.setRequestHeader "Accept", "text/xml"
HTTPHandler.setRequestHeader "Accept-Charset", "iso-8859-1" 'adapt to the server-settings
HTTPHandler.send XmlDoc
DoEvents
Exit Sub
ErrReq:
MsgBox "SendRequest: Error while sending the request" + vbCrLf + Err.Description
End Sub
Private Sub OnReadyStateChange()
'important: Procedure has to be set as default in the procedure attribites dialog
'otherwise you can only poll for readyState to become the value of 4
Dim ReceivedDoc As MSXML2.DOMDocument
Dim Start As Single
On Error GoTo ErrNewData
'while the readyState is below 4 there is no result available yet
If HTTPHandler.readyState <> 4 Then Exit Sub
'check for server-result 200 (OK)
If HTTPHandler.Status <> 200 Then 'OK
'something went wrong at server site
MsgBox "OnReadyStateChange: server responded with error message" + vbCrLf + _
HTTPHandler.Status + vbCrLf + _
HTTPHandler.statusText
Exit Sub
End If
'wait for the returned document to be parsed
Start = Timer
Do Until ReceivedDoc.parsed
DoEvents
'if running over midnight
If Start > Timer Then Start = Start - 86400
'timeout of 5 seconds
If Timer - Start > 5 Then
MsgBox "OnReadyStateChange: Timeout while paring the returned document"
Exit Sub
End If
Loop
If ReceivedDoc.parseError <> 0 Then
MsgBox "OnReadyStateChange Error while parsing the returned document" + vbCrLf + _
ReceivedDoc.parseError.reason + vbCrLf + _
"Position: Line" + CStr(ReceivedDoc.parseError.Line) + " row" + CStr(ReceivedDoc.parseError.linepos)
Exit Sub
End If
ResponseHandler
Exit Sub
ErrNewData:
MsgBox "OnReadyStateChange: Error while processing the server response" + vbCrLf + Err.Description
End Sub
Private Sub ResponseHandler(XmlDoc As MSXML2.DOMDocument)
'Handle the Response
End Sub