FileWebRequest.GetResponse 메서드

정의

네임스페이스:

System.Net

어셈블리:

System.Net.Requests.dll

Source:

FileWebRequest.cs

파일 시스템 요청에 대한 응답을 반환합니다.

public:
 override System::Net::WebResponse ^ GetResponse();

public override System.Net.WebResponse GetResponse ();

override this.GetResponse : unit -> System.Net.WebResponse

Public Overrides Function GetResponse () As WebResponse

반환

WebResponse

파일 시스템 리소스로부터의 응답이 포함된 WebResponse입니다.

예외

WebException

요청 시간이 초과된 경우

예제

다음 코드 예제에서는 메서드를 GetResponse 사용하여 파일 시스템 요청 응답을 반환합니다.

//
// This program shows how to use the FileWebRequest::GetResponse method 
// to read and display the content of a file passed by the user.
// Note. In order for this program to work, the folder containing the test file
// must be shared with its permissions set to allow read access. 
#using <System.dll>

using namespace System;
using namespace System::Net;
using namespace System::IO;
ref class TestGetResponse
{
private:
   static FileWebResponse^ myFileWebResponse;
   static void showUsage()
   {
      Console::WriteLine( "\nPlease enter file name:" );
      Console::WriteLine( "Usage: cs_getresponse <systemname>/<sharedfoldername>/<filename>" );
      Console::WriteLine( "Example: cs_getresponse ndpue/temp/hello.txt" );
   }

   static bool makeFileRequest( String^ fileName )
   {
      bool requestOk = false;
      try
      {
         Uri^ myUrl = gcnew Uri( String::Format( "file://{0}", fileName ) );
         
         // Create a Filewebrequest object using the passed Uri. 
         FileWebRequest^ myFileWebRequest = dynamic_cast<FileWebRequest^>(WebRequest::Create( myUrl ));
         
         // Get the FileWebResponse object.
         myFileWebResponse = dynamic_cast<FileWebResponse^>(myFileWebRequest->GetResponse());
         requestOk = true;
      }
      catch ( WebException^ e ) 
      {
         Console::WriteLine( "WebException: {0}", e->Message );
      }
      catch ( UriFormatException^ e ) 
      {
         Console::WriteLine( "UriFormatWebException: {0}", e->Message );
      }

      return requestOk;
   }

   static void readFile()
   {
      try
      {
         
         // Create the file stream. 
         Stream^ receiveStream = myFileWebResponse->GetResponseStream();
         
         // Create a reader object to read the file content.
         StreamReader^ readStream = gcnew StreamReader( receiveStream );
         
         // Create a local buffer for a temporary storage of the 
         // read data.
         array<Char>^readBuffer = gcnew array<Char>(256);
         
         // Read the first up to 256 bytes.
         int count = readStream->Read( readBuffer, 0, 256 );
         Console::WriteLine( "The file content is:" );
         Console::WriteLine( "" );
         
         // Loop to read the remaining bytes in 256 blocks
         // and display the data on the console.
         while ( count > 0 )
         {
            String^ str = gcnew String( readBuffer,0,count );
            Console::WriteLine(  "{0}\n", str );
            count = readStream->Read( readBuffer, 0, 256 );
         }
         readStream->Close();
         
         // Release the response object resources.
         myFileWebResponse->Close();
      }
      catch ( WebException^ e ) 
      {
         Console::WriteLine( "The WebException: {0}", e->Message );
      }
      catch ( UriFormatException^ e ) 
      {
         Console::WriteLine( "The UriFormatException: {0}", e->Message );
      }

   }


public:
   static void Main()
   {
      array<String^>^args = Environment::GetCommandLineArgs();
      if ( args->Length < 2 )
            showUsage();
      else
      {
         if ( makeFileRequest( args[ 1 ] ) )
                  readFile();
      }
   }

};

int main()
{
   TestGetResponse::Main();
}

//
// This example shows how to use the FileWebRequest.GetResponse method
// to read and display the contents of a file passed by the user.
// Note.  For this program to work, the folder containing the test file
// must be shared, with its permissions set to allow read access.

using System;
using System.Net;
using System.IO;

namespace Mssc.PluggableProtocols.File
{

  class TestGetResponse
  {
    private static FileWebResponse myFileWebResponse;

    private static void showUsage()
    {
      Console.WriteLine("\nPlease enter file name:");
      Console.WriteLine("Usage: cs_getresponse <systemname>/<sharedfoldername>/<filename>");
    }

    private static bool makeFileRequest(string fileName)
    {
      bool requestOk = false;
      try
      {
        Uri myUrl = new Uri("file://" + fileName);

        // Create a FileWebRequest object using the passed URI.
        FileWebRequest myFileWebRequest = (FileWebRequest)WebRequest.Create(myUrl);

        // Get the FileWebResponse object.
        myFileWebResponse =(FileWebResponse)myFileWebRequest.GetResponse();

        requestOk = true;
      }
      catch(WebException e)
      {
        Console.WriteLine("WebException: "+e.Message);
      }
      catch(UriFormatException e)
      {
        Console.WriteLine("UriFormatWebException: "+e.Message);
      }

      return requestOk;
    }

    private static void readFile()
    {
      try
      {
        // Create the file stream.
        Stream receiveStream=myFileWebResponse.GetResponseStream();

        // Create a reader object to read the file content.
        StreamReader readStream = new StreamReader( receiveStream );

        // Create a local buffer for a temporary storage of the
        // read data.
        char[] readBuffer = new Char[256];

        // Read the first 256 bytes.
        int count = readStream.Read( readBuffer, 0, 256 );

        Console.WriteLine("The file content is:");
        Console.WriteLine("");

        // Loop to read the remaining data in blocks of 256 bytes
        // and display the data on the console.
        while (count > 0)
        {
          String str = new String(readBuffer, 0, count);
          Console.WriteLine(str+"\n");
          count = readStream.Read(readBuffer, 0, 256);
        }

        readStream.Close();

        // Release the response object resources.
        myFileWebResponse.Close();
      }
      catch(WebException e)
      {
        Console.WriteLine("The WebException: "+e.Message);
      }
      catch(UriFormatException e)
      {
        Console.WriteLine("The UriFormatException: "+e.Message);
      }
    }

    static void Main(string[] args)
    {

      if (args.Length < 1)
            {
                showUsage();
            }
            else
      {
        if (makeFileRequest(args[0]))
          readFile();
      }
    }
  }
}

'
' This example shows how to use the FileWebRequest.GetResponse method 
' to read and display the contents of a file passed by the user.
' Note.  For this program to work, the folder containing the test file
' must be shared, with its permissions set to allow read access. 


Imports System.Net
Imports System.IO


Namespace Mssc.PluggableProtocols.File

  Module M_TestGetResponse

    Class TestGetResponse
      Private Shared myFileWebResponse As FileWebResponse


      Private Shared Sub showUsage()
        Console.WriteLine(ControlChars.Lf + "Please enter file name:")
        Console.WriteLine("Usage: cs_getresponse <systemname>/<sharedfoldername>/<filename>")
      End Sub


      Private Shared Function makeFileRequest(ByVal fileName As String) As Boolean
        Dim requestOk As Boolean = False
        Try
          Dim myUrl As New Uri("file://" + fileName)

          ' Create a FileWebRequest object using the passed URI. 
          Dim myFileWebRequest As FileWebRequest = CType(WebRequest.Create(myUrl), FileWebRequest)

          ' Get the FileWebResponse object.
          myFileWebResponse = CType(myFileWebRequest.GetResponse(), FileWebResponse)

          requestOk = True
        Catch e As WebException
          Console.WriteLine(("WebException: " + e.Message))
        Catch e As UriFormatException
          Console.WriteLine(("UriFormatWebException: " + e.Message))
        End Try

        Return requestOk
      End Function 'makeFileRequest


      Private Shared Sub readFile()
        Try
          ' Create the file stream. 
          Dim receiveStream As Stream = myFileWebResponse.GetResponseStream()

          ' Create a reader object to read the file content.
          Dim readStream As New StreamReader(receiveStream)

          ' Create a local buffer for a temporary storage of the 
          ' read data.
          Dim readBuffer() As Char = New [Char](255) {}

          ' Read the first 256 bytes.
          Dim count As Integer = readStream.Read(readBuffer, 0, 256)

          Console.WriteLine("The file content is:")
          Console.WriteLine("")

          'Loop to read the remaining data in blocks of 256 bytes
          'and display the data on the console.
          While count > 0
            Dim str As New [String](readBuffer, 0, count)
            Console.WriteLine((str + ControlChars.Lf))
            count = readStream.Read(readBuffer, 0, 256)
          End While

          readStream.Close()

          ' Release the response object resources.
          myFileWebResponse.Close()

        Catch e As WebException
          Console.WriteLine(("The WebException: " + e.Message))
        Catch e As UriFormatException
          Console.WriteLine(("The UriFormatException: " + e.Message))
        End Try
      End Sub

      'Entry point which delegates to C-style main Private Function
      Public Shared Sub Main(ByVal args() As String)

        If args.Length < 1 Then
          showUsage()
        Else
          If makeFileRequest(args(0)) = True Then
            readFile()
          End If
        End If
      End Sub
    End Class

  End Module

End Namespace

설명

메서드는 GetResponse 파일 시스템 리소스의 응답을 포함하는 개체를 반환 WebResponse 합니다.

메서드는 GetResponse 에 대한 동기 액세스를 WebResponse제공합니다. 비동기 액세스의 경우 및 EndGetResponse 메서드를 BeginGetResponse 사용합니다.