VB.Net by API/System.Runtime.Serialization.Formatters.Soap/SoapFormatter — различия между версиями

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Текущая версия на 12:50, 26 мая 2010

New SoapFormatter

   
Imports System
Imports System.Xml
Imports System.Xml.Schema
Imports System.IO
Imports System.Data.OleDb
Imports System.Data.rumon
Imports System.Data.SqlClient
Imports System.Data
Imports System.Runtime.Serialization.Formatters
Imports System.Runtime.Serialization.Formatters.Soap
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Xml.Serialization

Public Class MainClass
    
    Shared Sub Main()
        Dim Connection As SqlConnection = New SqlConnection("Server=(local)\SQLEXPRESS;Initial Catalog=MyDatabase;Integrated Security=SSPI")
      Dim MyDA As SqlDataAdapter = New SqlDataAdapter( _
         "SELECT * FROM Employee", Connection)
      Dim MyDS As DataSet = New DataSet()
      Dim MyDS2 As DataSet = New DataSet()
      MyDA.Fill(MyDS, "Employee")
      Dim s As Stream = File.Open("MyDS.soap", _
         FileMode.Create, FileAccess.ReadWrite)
      Dim sf As SoapFormatter = New SoapFormatter()
      sf.Serialize(s, MyDS)
      s.Close()
      Console.WriteLine("De-Serializing Graph from SOAP Envelope...")
    
      Dim r As Stream = File.Open("MyDS.soap", _
         FileMode.Open, FileAccess.Read)
      Dim sf2 As SoapFormatter = New SoapFormatter()
      MyDS2 = CType(sf2.Deserialize(r), DataSet)
      r.Close()
      Console.WriteLine( _
         "After Deserialization, MyDS2 contains {0} Employee", _
         MyDS2.Tables("Employee").Rows.Count)

    End Sub
End Class


SoapFormatter.Deserialize

   

Imports System
Imports System.IO
Imports System.Runtime.Serialization
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Runtime.Serialization.Formatters.Soap
Public Class Tester
    Public Shared Sub Main
    
        Dim myClsSerializable As New ClsSerializable()
        SerializeSoap(myClsSerializable)
        Console.WriteLine(FileContent(False))
                
        Dim myFileStream As FileStream
        myFileStream = New FileStream("test.dat", FileMode.Open, FileAccess.Read)
        Dim myFormatter As New SoapFormatter()
        myClsSerializable = CType(myFormatter.Deserialize(myFileStream), ClsSerializable)
        Console.WriteLine(myClsSerializable.strMessage)
    End Sub
    Private Shared Function FileContent(ByVal blnBinary As Boolean) As String
        Dim strContent As String
        Dim myStreamReader As StreamReader
        Dim myFileStream As FileStream
        Dim i As Integer
        Try
            myFileStream = New FileStream("test.dat", FileMode.Open, FileAccess.Read)
            If blnBinary = True Then
                For i = 1 To myFileStream.Length
                    strContent += myFileStream.ReadByte.ToString + " "
                Next
            Else
                myStreamReader = New StreamReader(myFileStream)
                strContent = myStreamReader.ReadToEnd
            End If
            myFileStream.Flush()
            myFileStream.Close()
            Return strContent
        Catch ex As IOException
            Console.WriteLine(ex.Message)
        End Try
    End Function
    Private Shared Sub SerializeSoap(ByVal myClsSerializable As ClsSerializable)
        Dim myFileStream As FileStream
        Dim myBFormatter As SoapFormatter = New SoapFormatter()
        Try
            myFileStream = New FileStream("test.dat", FileMode.Create, FileAccess.Write)
            myBFormatter.Serialize(myFileStream, myClsSerializable)
            myFileStream.Flush()
            myFileStream.Close()
        Catch ex As Exception
            Console.WriteLine(ex.Message)
        End Try
    End Sub
End Class
<Serializable()> _
 Public Class ClsSerializable
              
    Implements ISerializable
    Public intNumber As Integer = 1000
    Public strMessage As String = "this is a string"
    Public lngTest As Long
    Public intArrayX(10) As Integer
    Public intArrayY(10) As Integer
    Public Sub New()
        ChangeMmberValue()
    End Sub
    Public Sub GetObjectData _
     (ByVal info As SerializationInfo, ByVal context As StreamingContext) _
     Implements ISerializable.GetObjectData
        info.AddValue("intNumber", intNumber)
        info.AddValue("message", strMessage)
        info.AddValue("intArrayX", intArrayX)
    End Sub
    Public Sub New _
     (ByVal info As SerializationInfo, ByVal context As StreamingContext)
        intNumber = CInt(info.GetValue("intNumber", intNumber.GetType))
        strMessage = CStr(info.GetValue("message", strMessage.GetType))
        intArrayX = info.GetValue("intArrayX", intArrayX.GetType)
    End Sub
    Public Sub ChangeMmberValue()
        Dim i As Integer
        For i = 0 To 9
            intArrayX(i) = i * 100
        Next i
        intNumber = 2000
        strMessage = "this is another string"
    End Sub
End Class


SoapFormatter.Serialize

   

Imports System
Imports System.IO
Imports System.Runtime.Serialization
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Runtime.Serialization.Formatters.Soap

Public Class Tester
    Public Shared Sub Main
    
        Dim myClsSerializable As New ClsSerializable()
        SerializeSoap(myClsSerializable)
        Console.WriteLine(FileContent(False))
                
        Dim myFileStream As FileStream
        myFileStream = New FileStream("test.dat", FileMode.Open, FileAccess.Read)
        Dim myFormatter As New SoapFormatter()
        myClsSerializable = CType(myFormatter.Deserialize(myFileStream), ClsSerializable)
        Console.WriteLine(myClsSerializable.intNumber.ToString)
        Console.WriteLine(myClsSerializable.lngNumber.ToString)
        Console.WriteLine(myClsSerializable.strDemo)
                
    End Sub
    Private Shared Function FileContent(ByVal blnBinary As Boolean) As String
        Dim strContent As String
        Dim myStreamReader As StreamReader
        Dim myFileStream As FileStream
        Dim i As Integer
        Try
            myFileStream = New FileStream("test.dat", FileMode.Open, FileAccess.Read)
            If blnBinary = True Then
                For i = 1 To myFileStream.Length
                    strContent += myFileStream.ReadByte.ToString + " "
                Next
            Else
                myStreamReader = New StreamReader(myFileStream)
                strContent = myStreamReader.ReadToEnd
            End If
            myFileStream.Flush()
            myFileStream.Close()
            Return strContent
        Catch ex As IOException
            Console.WriteLine(ex.Message)
        End Try
    End Function
    Private Shared Sub SerializeSoap(ByVal myClsSerializable As ClsSerializable)
        Dim myFileStream As FileStream
        Dim myBFormatter As SoapFormatter = New SoapFormatter()
        Try
            myFileStream = New FileStream("test.dat", FileMode.Create, FileAccess.Write)
            myBFormatter.Serialize(myFileStream, myClsSerializable)
            myFileStream.Flush()
            myFileStream.Close()
        Catch ex As Exception
            Console.WriteLine(ex.Message)
        End Try
    End Sub
End Class




<Serializable()> Public Class ClsSerializable
    Public intNumber As Integer = 254
    Public strDemo As String = "This is a poublic  test string"
    Private strpDemo As String = "This is a private  test string"
    <NonSerialized()> Public lngNumber As Long = 123456

 
End Class