]]> _
_
Public Class ScriptMain
Inherits UserComponent
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Public Overrides Sub Input_ProcessInputRow(ByVal Row As InputBuffer)
Dim xml As String
If Not Row.Buffer.IsNull(m_columnIndex) Then
xml = Row.Buffer.GetString(m_columnIndex)
End If
If String.IsNullOrEmpty(xml) Then
' No data to process.
Return
End If
Try
Call m_document.LoadXml(xml)
' Load result.
Dim result As String
Dim iter As XPathNodeIterator = m_navigator.Select(m_expr)
While iter.MoveNext()
If Not String.IsNullOrEmpty(result) Then
result += Me.ResultSeparator
End If
result += CType(iter.Current, IHasXmlNode).GetNode().Value
End While
Row.Result = result
Catch ex As Exception
Dim cancel As Boolean = False
Call MyBase.ComponentMetaData.FireError( _
0, _
"XPath Transform", _
ex.Message, _
String.Empty, _
0, _
cancel)
End Try
End Sub ' Input_ProcessInputRow
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Public Overrides Sub PreExecute()
Call MyBase.PreExecute()
Try
' Setup XML document, XPath navigator and expression.
' They will be used during processing.
m_document = New XmlDocument()
m_navigator = m_document.CreateNavigator()
m_expr = m_navigator.Compile(Me.XPath)
If Not String.IsNullOrEmpty(Me.Namespaces) Then
' Setup namespaces.
Dim ns As XmlNamespaceManager = New XmlNamespaceManager(m_document.NameTable)
Dim nsList() As String = Me.Namespaces.Split( _
New String() {"\r\n"}, _
StringSplitOptions.None)
For Each nsCombo As String In nsList
If String.IsNullOrEmpty(nsCombo) Then
Continue For
End If
Dim equalIndex As Integer = nsCombo.IndexOf("=")
Dim prefix As String = nsCombo.Substring(0, equalIndex)
Dim uri As String = nsCombo.Substring(equalIndex + 1)
Call ns.AddNamespace(prefix, uri)
Next
Call m_expr.SetContext(ns)
End If
Dim input As IDTSInput90 = Me.ComponentMetaData.InputCollection(0)
' Find input column index.
m_columnIndex = Me.HostComponent.BufferManager.FindColumnByLineageID( _
input.Buffer, _
input.InputColumnCollection(Me.InputColumn).LineageID)
Catch ex As Exception
Dim cancel As Boolean = False
Call MyBase.ComponentMetaData.FireError( _
0, _
"XPath Transform", _
ex.Message, _
String.Empty, _
0, _
cancel)
End Try
End Sub ' PreExecute
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Public Overrides Sub PostExecute()
Call MyBase.PostExecute()
m_document = Nothing
m_columnIndex = -1
End Sub ' PostExecute
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Public Function Validate(ByRef errMessage As String) As Boolean
Dim result As Boolean
Try
If String.IsNullOrEmpty(Me.InputColumn) Then
Throw New ApplicationException("Select input column.")
End If
If String.IsNullOrEmpty(Me.XPath) Then
Throw New ApplicationException("Specify XPath statement.")
End If
Dim managedComponent As CManagedComponentWrapper = Me.ComponentMetaData.Instantiate()
Dim input As IDTSInput90 = Me.ComponentMetaData.InputCollection(0)
Dim virtInput As IDTSVirtualInput90 = input.GetVirtualInput()
Call input.InputColumnCollection.RemoveAll()
' Setup selected input column.
Dim inputColumn As IDTSInputColumn90 = managedComponent.SetUsageType( _
input.ID, _
virtInput, _
virtInput.VirtualInputColumnCollection(Me.InputColumn).LineageID, _
DTSUsageType.UT_READONLY)
result = True
Catch ex As Exception
result = False
errMessage = ex.Message
End Try
Validate = result
End Function 'Validate
#Region "Properties"
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
_
_
Public Property InputColumn() As String
Get
InputColumn = m_inputColumn
End Get
Set(ByVal value As String)
m_inputColumn = value
End Set
End Property ' InputColumn
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
_
_
Public Property XPath() As String
Get
XPath = m_xpath
End Get
Set(ByVal value As String)
m_xpath = value
End Set
End Property ' XPath
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
=. Separate each namespace with newline.")> _
_
Public Property Namespaces() As String
Get
Namespaces = m_namespace
End Get
Set(ByVal value As String)
m_namespace = value
End Set
End Property ' Namespaces
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
_
Public Property ResultSeparator() As String
Get
ResultSeparator = m_resultSep
End Get
Set(ByVal value As String)
m_resultSep = value
End Set
End Property ' ResultSeparator
#End Region ' Properties
#Region "Attributes"
Private m_inputColumn As String
Private m_xpath As String
Private m_namespace As String
Private m_resultSep As String
Private m_document As XmlDocument
Private m_navigator As XPathNavigator
Private m_expr As XPathExpression
Private m_columnIndex As Integer
#End Region ' Attributes
End Class ' ScriptMain
]]>ScriptComponent_7d26cd9cb56d49a1866dc132266ba065trueCozyRoc.SqlServer.SSIS.ScriptComponentHostPlus, CozyRoc.SSISPlus, Version=1.0.0.0, Culture=neutral, PublicKeyToken=16cf490bb80c34ea