[CF.Skills]在.NET Compact Framework中设置webservice的session

???????? /**/ ///?<summary>

????????///?This?field?contains?the?received?session?cookie

????????///?</summary>

???????? private ? string ?cookie? = ? null ;

???????? /**/ ///?<summary>

????????///?Http-Header?for?the?request?SessionCookie

????????///?</summary>

???????? private ? const ? string ?REQUESTHEADER_SESSIONCOOKIE? = ? " Cookie " ;

???????? /**/ ///?<summary>

????????///?Http-header?for?the?response?SessionCookie

????????///?</summary>

???????? private ? const ? string ?RESPONSEHEADER_SESSIONCOOKIE? = ? " Set-Cookie " ;

???????? private ? void ?ProcessResponse(System.Net.HttpWebResponse?response)

????????

{

????????????//?Is?the?cookie?present?in?the?response?

????????????if?(response.Headers.Get(RESPONSEHEADER_SESSIONCOOKIE)?!=?null)

????????????

{?

????????????????//?Store?the?cookie

????????????????cookie?=?response.Headers.Get(RESPONSEHEADER_SESSIONCOOKIE);

????????????}

????????}

???????? /**/ ///?<summary>

????????///?This?override?will?tweak?the?request?to?allow?Session-cookies

????????///?</summary>

????????///?<returns>The?tweaked?request</returns>

???????? protected ? override ?System.Net.WebRequest?GetWebRequest(Uri?uri)

????????

{

????????????System.Net.HttpWebRequest?request?=?(System.Net.HttpWebRequest)base.GetWebRequest(uri);

????????????//?Is?the?session?cookie?cached?

????????????if?(cookie?!=?null)

????????????

{?

????????????????//?Add?the?sessioncookie?to?the?request

????????????????request.Headers.Add(REQUESTHEADER_SESSIONCOOKIE,?cookie);

????????????}

????????????return?request;

????????}

???????? /**/ ///?<summary>

????????///?This?override?will?tweak?the?response?to?allow?Session-cookies

????????///?</summary>

????????? protected ? override ?System.Net.WebResponse?GetWebResponse(System.Net.WebRequest?request)

????????

{

????????????System.Net.HttpWebResponse?response?=?(System.Net.HttpWebResponse)base.GetWebResponse(request);

????????????ProcessResponse(response);

????????????return?response;

????????}

???????? /**/ ///?<summary>

????????///?This?override?will?tweak?the?response?to?allow?Session-cookies

????????///?</summary>

???????? protected ? override ?System.Net.WebResponse?GetWebResponse(System.Net.WebRequest?request,?IAsyncResult?result)

????????

{

????????????System.Net.HttpWebResponse?response?=?(System.Net.HttpWebResponse)base.GetWebResponse(request,?result);

????????????ProcessResponse(response);

????????????return?response;

????????}