ICredentials.GetCredential(Uri, String) Methode

Definition

Namespace:

System.Net

Assembly:

System.Net.Primitives.dll

Gibt ein NetworkCredential-Objekt zurück, das dem angegebenen URI und Authentifizierungstyp zugeordnet ist.

public:
 System::Net::NetworkCredential ^ GetCredential(Uri ^ uri, System::String ^ authType);

public System.Net.NetworkCredential? GetCredential (Uri uri, string authType);

abstract member GetCredential : Uri * string -> System.Net.NetworkCredential

Public Function GetCredential (uri As Uri, authType As String) As NetworkCredential

Parameter

uri

Uri

Der Uri, für den der Client die Authentifizierung bereitstellt.

authType

String

Der Authentifizierungstyp entsprechend der Definition in der AuthenticationType-Eigenschaft.

Gibt zurück

NetworkCredential

Die dem angegebenen URI und dem Authentifizierungstyp zugeordneten NetworkCredential oder null, wenn keine Anmeldeinformationen verfügbar sind.

Beispiele

Im Folgenden wird verwendet GetCredential , um eine NetworkCredential -Instanz abzurufen.

ref class CredentialList: public ICredentials
{
private:
   ref class CredentialInfo
   {
   public:
      Uri^ uriObj;
      String^ authenticationType;
      NetworkCredential^ networkCredentialObj;
      CredentialInfo( Uri^ uriObj, String^ authenticationType, NetworkCredential^ networkCredentialObj )
      {
         this->uriObj = uriObj;
         this->authenticationType = authenticationType;
         this->networkCredentialObj = networkCredentialObj;
      }
   };

   ArrayList^ arrayListObj;

public:
   CredentialList()
   {
      arrayListObj = gcnew ArrayList;
   }

   void Add( Uri^ uriObj, String^ authenticationType, NetworkCredential^ credential )
   {
      
      // Add a 'CredentialInfo' object into a list.
      arrayListObj->Add( gcnew CredentialInfo( uriObj,authenticationType,credential ) );
   }

   // Remove the 'CredentialInfo' object from the list that matches to the given 'Uri' and 'AuthenticationType'
   void Remove( Uri^ uriObj, String^ authenticationType )
   {
      for ( int index = 0; index < arrayListObj->Count; index++ )
      {
         CredentialInfo^ credentialInfo = dynamic_cast<CredentialInfo^>(arrayListObj[ index ]);
         if ( uriObj->Equals( credentialInfo->uriObj ) && authenticationType->Equals( credentialInfo->authenticationType ) )
                  arrayListObj->RemoveAt( index );
      }
   }

   virtual NetworkCredential^ GetCredential( Uri^ uriObj, String^ authenticationType )
   {
      for ( int index = 0; index < arrayListObj->Count; index++ )
      {
         CredentialInfo^ credentialInfoObj = dynamic_cast<CredentialInfo^>(arrayListObj[ index ]);
         if ( uriObj->Equals( credentialInfoObj->uriObj ) && authenticationType->Equals( credentialInfoObj->authenticationType ) )
                  return credentialInfoObj->networkCredentialObj;
      }
      return nullptr;
   }
};

class CredentialList : ICredentials
{
    class CredentialInfo
    {
        public Uri uriObj;
        public String authenticationType;
        public NetworkCredential networkCredentialObj;

        public CredentialInfo(Uri uriObj, String authenticationType, NetworkCredential networkCredentialObj)
        {
            this.uriObj = uriObj;
            this.authenticationType = authenticationType;
            this.networkCredentialObj = networkCredentialObj;
        }
    }

    private ArrayList arrayListObj;

    public CredentialList()
    {
        arrayListObj = new ArrayList();
    }

    public void Add (Uri uriObj, String authenticationType, NetworkCredential credential)
    {
        // Add a 'CredentialInfo' object into a list.
        arrayListObj.Add (new CredentialInfo(uriObj, authenticationType, credential));
    }
    // Remove the 'CredentialInfo' object from the list that matches to the given 'Uri' and 'AuthenticationType'
    public void Remove (Uri uriObj, String authenticationType)
    {
        for(int index=0;index < arrayListObj.Count; index++)
        {
            CredentialInfo credentialInfo = (CredentialInfo)arrayListObj[index];
            if(uriObj.Equals(credentialInfo.uriObj)&& authenticationType.Equals(credentialInfo.authenticationType))
                arrayListObj.RemoveAt(index);
        }
    }
    public NetworkCredential GetCredential (Uri uriObj, String authenticationType)
    {
        for(int index=0;index < arrayListObj.Count; index++)
        {
            CredentialInfo credentialInfoObj = (CredentialInfo)arrayListObj[index];
            if(uriObj.Equals(credentialInfoObj.uriObj) && authenticationType.Equals(credentialInfoObj.authenticationType))
                return credentialInfoObj.networkCredentialObj;
        }
        return null;
    }
};

 Class CredentialInfo
     Public uriObj As Uri
     Public authenticationType As [String]
     Public networkCredentialObj As NetworkCredential
     
     
     Public Sub New(uriObj As Uri, authenticationType As [String], networkCredentialObj As NetworkCredential)
         Me.uriObj = uriObj
         Me.authenticationType = authenticationType
         Me.networkCredentialObj = networkCredentialObj
     End Sub
 End Class
 
 Private arrayListObj As ArrayList
 
 
 Public Sub New()
     arrayListObj = New ArrayList()
 End Sub
 
 
 Public Sub Add(uriObj As Uri, authenticationType As [String], credential As NetworkCredential)
     ' adds a 'CredentialInfo' object into a list
     arrayListObj.Add(New CredentialInfo(uriObj, authenticationType, credential))
 End Sub
 
 ' Remove the 'CredentialInfo' object from the list which matches to the given 'Uri' and 'AuthenticationType'
 Public Sub Remove(uriObj As Uri, authenticationType As [String])
     Dim index As Integer
     For index = 0 To arrayListObj.Count - 1
         Dim credentialInfo As CredentialInfo = CType(arrayListObj(index), CredentialInfo)
         If uriObj.Equals(credentialInfo.uriObj) And authenticationType.Equals(credentialInfo.authenticationType) Then
             arrayListObj.RemoveAt(index)
         End If
     Next index
 End Sub
 
 Public Function GetCredential(uriObj As Uri, authenticationType As [String]) As NetworkCredential  Implements ICredentials.GetCredential
     Dim index As Integer
     For index = 0 To arrayListObj.Count - 1
         Dim credentialInfoObj As CredentialInfo = CType(arrayListObj(index), CredentialInfo)
         If uriObj.Equals(credentialInfoObj.uriObj) And authenticationType.Equals(credentialInfoObj.authenticationType) Then
             Return credentialInfoObj.networkCredentialObj
         End If
     Next index
     Return Nothing
 End Function 'GetCredential

Hinweise

Die GetCredential -Methode gibt eine NetworkCredential Instanz zurück, die die Anmeldeinformationen enthält, die dem angegebenen URI und dem angegebenen Autorisierungsschema zugeordnet sind. Wenn keine Anmeldeinformationen verfügbar sind, gibt die GetCredential -Methode zurück null.