기타 [VB.NET] XML Parsing(파싱) - XML 추출하기
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아래외 같은 XML 자료가 있을경우
updatecheck의 Version을 파싱할려고 합니다.
<?xml version="1.0" encoding="UTF-8"?>
<gupdate xmlns="http://www.google.com/update2/response" protocol="2.0" server="prod">
<daystart elapsed_days="5708" elapsed_seconds="55622" />
<app appid="{8A69D345-D564-463C-AFF1-A69D9E530F96}" cohort="1:gu:178f@0.5" cohortname="Stable" status="ok">
<updatecheck Version="104.0.5112.81" arguments="--verbose-logging --do-not-launch-chrome --channel=stable" codebase="https://redirector.gvt1.com/edgedl/release2/chrome/acryzwk4bzyqlfwvkoxjvflmon2q_104.0.5112.81/104.0.5112.81_chrome_installer.exe" fp="1.4ee180631b32a8b9ca2f0b48abf9c0aa3a92b5a13739e88f5e04df25719a5ec4" hash="0bbbkhjzDFaOFu1sV4QeorJp2LY=" hash_sha256="4ee180631b32a8b9ca2f0b48abf9c0aa3a92b5a13739e88f5e04df25719a5ec4" needsadmin="false" onsuccess="exitsilentlyonlaunchcmd" size="85634648" status="ok" />
</app>
</gupdate>
아래와 같이 파싱하면 됩니다.
Dim RP As nhnRequestParameters = DirectCast(Deserialize(profileName, New nhnRequestParameters), nhnRequestParameters)
RP.Url = "https://update.googleapis.com/service/update2?"
RP.SetHeaders = "Host: update.googleapis.com"
RP.SetPostData = "<?xml version=""1.0"" encoding=""UTF-8""?><request><os platform=""win"" version=""10.0.19044.1889"" arch=""x64""/><app appid=""{8A69D345-D564-463C-AFF1-A69D9E530F96}"" lang=""ko"" ><updatecheck /></app></request>"
RP.nhnWinHttp()
Dim DocumentXml As New Xml.XmlDocument
DocumentXml.LoadXml(RP.ResponseText)
Dim DocumentElement As Xml.XmlElement = DocumentXml.DocumentElement
Dim updatecheck As Xml.XmlElement = DocumentElement.GetElementsByTagName("updatecheck")(0)
Dim Version As String = updatecheck.Attributes("Version").Value
Imports System.Runtime.CompilerServices
Imports WinHttp
Public Module _WinHttp_
Private WithEvents nhnHttp As WinHttpRequest
Private Sub WinHttp_OnError(ErrorNumber As Integer, ErrorDescription As String) Handles nhnHttp.OnError
LOG(String.Format("[{0}] {1}", ErrorNumber, ErrorDescription)) : Sleep(1000)
End Sub
Private Sub WinHttp_OnResponseDataAvailable(ByRef Data As Array) Handles nhnHttp.OnResponseDataAvailable
End Sub
Private Sub WinHttp_OnResponseFinished() Handles nhnHttp.OnResponseFinished
End Sub
Private Sub WinHttp_OnResponseStart(Status As Integer, ContentType As String) Handles nhnHttp.OnResponseStart
End Sub
<Extension()> Public Function nhnWinHttp(ByRef rp As nhnRequestParameters) As Boolean
Dim tem() As String
If nhnHttp Is Nothing Then
Try
nhnHttp = New WinHttpRequest
Catch ex As Exception
End Try
End If
Do
nhnWinHttp = False
Try
With nhnHttp
.SetTimeouts(3000, 3000, 3000, 3000)
.Open(rp.Method, rp.Url)
For Each hd As String In rp.Headers
tem = Split(hd, ": ")
.SetRequestHeader(tem(0).Trim, tem(1).Trim)
Next
If Len(rp.Cookie) Then .SetRequestHeader("Cookie", rp.Cookie)
.Send(rp.PostData)
If Not .WaitForResponse(0) Then Continue Do
rp.ResponseHeaders = .GetAllResponseHeaders
rp.Cookie = rp.Cookie.SetCookie(.GetAllResponseHeaders)
'T = System.Text.Encoding.Default.GetString(.ResponseBody)
rp.ResponseText = .ResponseText
End With
nhnWinHttp = True
Catch ex As Exception
Application.DoEvents()
End Try
Loop Until nhnWinHttp
End Function
End Module
Public Class nhnRequestParameters
Public Property _Url_ As String
Public Property Headers() As List(Of String)
Public Property PostData As String
Public Property Cookie As String
Public Property Method As String
Public Property ResponseHeaders As String
Public Property ResponseText As String
Public Sub New()
Me.Cookie = ""
Me.PostData = ""
Me.Method = "GET"
End Sub
Public Property Url As String
Set(value As String)
Me._Url_ = value
Me.Method = "GET"
Me.PostData = ""
End Set
Get
Return Me._Url_
End Get
End Property
Public WriteOnly Property SetPostData As String
Set(value As String)
Me.PostData = ""
If value IsNot Nothing AndAlso value.Length > 0 Then Me.PostData = value
Me.Method = "POST"
End Set
End Property
Public WriteOnly Property SetHeaders As String
Set(value As String)
Me.Headers = value.Split("|").ToList
End Set
End Property
End Class
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