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_
Public Class ScriptMain
Inherits UserComponent
Private Class Consts
Public Const ColumnSeparator As String = "," + vbLf
Public Const LocalTime As String = "[Local Time]"
End Class ' Consts
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Public Overrides Sub Input_ProcessInputRow(ByVal Row As InputBuffer)
Dim colsCount As Integer = m_colIdx.Length
For colIndex As Integer = 0 To colsCount - 1
Dim bufIndex As Integer = m_colIdx(colIndex)
If Not Row.Buffer.IsNull(bufIndex) Then
Row.Buffer(bufIndex) = TimeZoneInfo.ConvertTime( _
CType(Row.Buffer(bufIndex), DateTime), _
m_inTZI, _
m_outTZI)
End If
Next
End Sub ' Input_ProcessInputRow
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Public Overrides Sub PreExecute()
Call MyBase.PreExecute()
Dim input As IDTSInput90 = Me.ComponentMetaData.InputCollection(0)
' Setup dynamic time columns indexes.
Dim colsCount As Integer = input.InputColumnCollection.Count
m_colIdx = New Integer(colsCount - 1) {}
For colIndex As Integer = 0 To colsCount - 1
m_colIdx(colIndex) = Me.HostComponent.BufferManager.FindColumnByLineageID( _
input.Buffer, _
input.InputColumnCollection(colIndex).LineageID)
Next
' Get input and output time zones.
m_inTZI = GetTimeZoneInfo_(m_inputZone)
m_outTZI = GetTimeZoneInfo_(m_outputZone)
End Sub ' PreExecute
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Public Overrides Sub PostExecute()
Call MyBase.PostExecute()
m_colIdx = Nothing
End Sub ' PostExecute
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Public Function Validate(ByRef errMessage As String) As Boolean
Dim result As Boolean
Try
If String.IsNullOrEmpty(Me.TimeColumns) Then
Throw New ApplicationException("Select time columns.")
End If
If String.IsNullOrEmpty(Me.InputZone) Then
Throw New Exception("Select input time zone.")
End If
If String.IsNullOrEmpty(Me.OutputZone) Then
Throw New Exception("Select output time zone.")
End If
' Setup input columns based on selection.
Dim selectedCols() As String = CStr(Me.TimeColumns).Split( _
New String() {Consts.ColumnSeparator}, _
StringSplitOptions.None)
Dim input As IDTSInput90 = Me.ComponentMetaData.InputCollection(0)
Dim virtInput As IDTSVirtualInput90 = input.GetVirtualInput()
Call input.InputColumnCollection.RemoveAll()
For Each col As String In selectedCols
If Not String.IsNullOrEmpty(col) Then
Dim virtColumn As IDTSVirtualInputColumn90 = virtInput.VirtualInputColumnCollection(col)
Call virtInput.SetUsageType(virtColumn.LineageID, DTSUsageType.UT_READWRITE)
End If
Next
result = True
Catch ex As Exception
result = False
errMessage = ex.Message
End Try
Validate = result
End Function 'Validate
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' Returns list of available time zones.
Public Function GetZones() As Object()
Dim result As New ArrayList
Call result.Add(Consts.LocalTime)
For Each tzi As TimeZoneInfo In TimeZoneInfo.GetSystemTimeZones()
Call result.Add(tzi.DisplayName)
Next
GetZones = result.ToArray()
End Function ' GetZones
#Region "Properties"
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_
_
Public Property TimeColumns() As String
Get
TimeColumns = m_cols
End Get
Set(ByVal value As String)
m_cols = value
End Set
End Property ' TimeColumns
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_
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Public Property InputZone() As String
Get
InputZone = GetDisplayNameFromId_(m_inputZone)
End Get
Set(ByVal value As String)
m_inputZone = GetIdFromDisplayName_(value)
End Set
End Property ' InputZone
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_
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Public Property OutputZone() As String
Get
OutputZone = GetDisplayNameFromId_(m_outputZone)
End Get
Set(ByVal value As String)
m_outputZone = GetIdFromDisplayName_(value)
End Set
End Property ' OutputZone
#End Region ' Properties
#Region "Internals"
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Private Sub FireError_(ByVal message As String)
Dim cancel As Boolean = False
Call MyBase.ComponentMetaData.FireError( _
0, _
"Time Zone", _
message, _
String.Empty, _
0, _
cancel)
End Sub ' FireError_
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Private Function GetDisplayNameFromId_(ByVal id As String) As String
Dim result As String = id
If Not String.IsNullOrEmpty(id) AndAlso _
id <> Consts.LocalTime Then
For Each tzi As TimeZoneInfo In TimeZoneInfo.GetSystemTimeZones()
If tzi.Id.Equals(id) Then
' Found zone
result = tzi.DisplayName
Exit For
End If
Next
End If
GetDisplayNameFromId_ = result
End Function ' GetDisplayNameFromId_
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Private Function GetIdFromDisplayName_(ByVal displayName As String) As String
Dim result As String = displayName
If Not String.IsNullOrEmpty(displayName) AndAlso _
displayName <> Consts.LocalTime Then
For Each tzi As TimeZoneInfo In TimeZoneInfo.GetSystemTimeZones()
If tzi.DisplayName.Equals(displayName) Then
' Found zone
result = tzi.Id
Exit For
End If
Next
End If
GetIdFromDisplayName_ = result
End Function ' GetIdFromDisplayName_
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Private Function GetTimeZoneInfo_(ByVal zoneID As String) As TimeZoneInfo
Dim result As TimeZoneInfo = TimeZoneInfo.Local
If zoneID <> Consts.LocalTime Then
result = TimeZoneInfo.FindSystemTimeZoneById(zoneID)
End If
GetTimeZoneInfo_ = result
End Function ' GetTimeZoneInfo_
#End Region ' Internals
#Region "Attributes"
Private m_cols As String
Private m_inputZone As String = TimeZoneInfo.Local.Id
Private m_outputZone As String
Private m_colIdx() As Integer
Private m_inTZI As TimeZoneInfo
Private m_outTZI As TimeZoneInfo
#End Region ' Attributes
End Class ' ScriptMain
]]>ScriptComponent_18be7d609f1a4a84920424181bea563etrueCozyRoc.SqlServer.SSIS.ScriptComponentHostPlus, CozyRoc.SSISPlus, Version=1.0.0.0, Culture=neutral, PublicKeyToken=16cf490bb80c34ea