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jtweddle |
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' ------------------------------------------------------------------------------
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Class clsProgress
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' ------------------------------------------------------------------------------
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Public TotalBytes ' Number of bytes client sent to server
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Public BytesReceived ' Number of bytes received by server
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Public UploadStarted ' Time on server when upload started
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Public UploadCompleted ' Time on server when upload was completed
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Public LastActive ' Time on server when upload was last active
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Private FileName ' Name of temporary file holding progress information
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Private FSO ' File System Object
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Private Enabled ' Determines if progress class is enabled
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' ------------------------------------------------------------------------------
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Public Function Load()
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' don't do anything if disabled
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If Not Enabled Then Exit Function
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Dim Data ' raw data about progress
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Dim Lines ' Array of lines within data
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Dim Line ' Individual line of name/value pair
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Dim Pair ' Property array containing name and value
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' Initialize default values
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TotalBytes = 0
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BytesReceived = 0
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UploadStarted = ""
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LastActive = ""
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UploadCompleted = ""
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' Retrieve information
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Data = ProgressData
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' If information is empty
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If Data = "" Then
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' Instruct caller that method failed
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Load = False
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Exit Function
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End If
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' Load session data, split into an array by
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' finding carriage returns
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Lines = Split(Data, vbCrLf)
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' Loop through each line
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For Each Line In Lines
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' parse loaded session
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' name=value
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Pair = Split(Line, "=", 2)
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' If pair has 2 indexes
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If UBound(Pair, 1) = 1 Then
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' Determine action based on first index
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' (attribute name)
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Select Case Pair(0)
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Case "TotalBytes"
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TotalBytes = CLng(Pair(1))
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Case "BytesReceived"
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BytesReceived = CLng(Pair(1))
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Case "UploadStarted"
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If IsDate(Pair(1)) Then
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UploadStarted = CDate(Pair(1))
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End If
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Case "LastActive"
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If IsDate(Pair(1)) Then
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LastActive = CDate(Pair(1))
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End If
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Case "UploadCompleted"
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If IsDate(Pair(1)) Then
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UploadCompleted = CDate(Pair(1))
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End If
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End Select
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End If
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Next
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' Return success
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Load = True
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End Function
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' ------------------------------------------------------------------------------
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Public Sub Save()
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' don't do anything if disabled
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If Not Enabled Then Exit Sub
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Dim Data
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' save data into Info string
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Data = Data & "TotalBytes=" & TotalBytes & vbCrLf
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Data = Data & "BytesReceived=" & BytesReceived & vbCrLf
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Data = Data & "UploadStarted=" & UploadStarted & vbCrLf
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Data = Data & "LastActive=" & LastActive & vbCrLf
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Data = Data & "UploadCompleted=" & UploadCompleted & vbCrLf
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' save the information
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ProgressData = Data
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End Sub
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' ------------------------------------------------------------------------------
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Private Sub Class_Initialize()
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' Declare FSO Constants
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Const WindowsFolder = 0
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Const SystemFolder = 1
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Const TemporaryFolder = 2
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Dim Folder
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' Only enable class if session ID was received
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Enabled = Not Request.QueryString("Session") = ""
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' Are we allowed to interact with FileSystemObject?
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If Not (FileSystemObjectEnabled Or FileSystemObjectEnabled = "") Then
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Enabled = False
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End If
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' don't do anything if disabled
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If Not Enabled Then Exit Sub
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' Instantiate File System Objec
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Set FSO = Server.CreateObject("Scripting.FileSystemObject")
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' Build path to information file in temporary folder
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Folder = FSO.GetSpecialFolder(TemporaryFolder).Path
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FileName ="AspUpload_" & Request.QueryString("Session") & ".tmp"
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FileName = Folder & "\" & FileName
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End Sub
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' ------------------------------------------------------------------------------
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Private Sub Class_Terminate()
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' don't do anything if disabled
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If Not Enabled Then Exit Sub
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' Garbage Collection
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Set FSO = Nothing
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End Sub
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' ------------------------------------------------------------------------------
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Private Property Get ProgressData()
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' don't do anything if disabled
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If Not Enabled Then Exit Property
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Dim File
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' If file does not yet exist, don't do anything
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If Not FSO.FileExists(FileName) Then Exit Property
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' Get the file
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Set File = FSO.OpenTextFile(FileName)
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' if the file has information
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If Not File.AtEndOfStream Then
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' Read all the information
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ProgressData = File.ReadAll
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End If
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' Close the connection to the file
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File.Close
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' Garbage collection
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Set File = Nothing
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End Property
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' ------------------------------------------------------------------------------
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Private Property Let ProgressData(ByRef information)
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' don't do anything if disabled
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If Not Enabled Then Exit Property
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' Declare Constants
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Const ForReading = 1
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Const ForWriting = 2
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Const ForAppending = 8
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Dim File
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' Open the text file
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' * Create if it doesn't exist
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' * Open for writing
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Set File = FSO.OpenTextFile(FileName, ForWriting, True)
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' Write the information to the file
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Call File.Write(information)
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' Close the connection to the file
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File.Close
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' Garbage collection
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Set File = Nothing
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End Property
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' ------------------------------------------------------------------------------
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End Class
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' ------------------------------------------------------------------------------
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%>
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