■ WebClient 클래스를 사용해 쿠키 컨테이너를 갖는 웹 클라이언트를 만드는 방법을 보여준다.
▶ 예제 코드 (C#)
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using System; using System.Net; /// <summary> /// 커스텀 웹 클라이언트 /// </summary> public class CustomWebClient : WebClient { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 쿠키 컨테이너 /// </summary> private CookieContainer cookieContainer = new CookieContainer(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 쿠키 컨테이너 - CookieContainer /// <summary> /// 쿠키 컨테이너 /// </summary> public CookieContainer CookieContainer { get { return this.cookieContainer; } set { this.cookieContainer = value; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CustomWebClient(cookieContainer) /// <summary> /// 생성자 /// </summary> /// <param name="cookieContainer">쿠키 컨테이너</param> public CustomWebClient(CookieContainer cookieContainer) { this.cookieContainer = cookieContainer; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 웹 요청 구하기 - GetWebRequest(uri) /// <summary> /// 웹 요청 구하기 /// </summary> /// <param name="uri">URI</param> /// <returns>웹 요청</returns> protected override WebRequest GetWebRequest(Uri uri) { WebRequest webRequest = base.GetWebRequest(uri); HttpWebRequest httpWebRequest = webRequest as HttpWebRequest; if(httpWebRequest != null) { httpWebRequest.CookieContainer = this.cookieContainer; } return webRequest; } #endregion #region 웹 응답 구하기 - GetWebResponse(webRequest) /// <summary> /// 웹 응답 구하기 /// </summary> /// <param name="webRequest">웹 요청</param> /// <returns>웹 응답</returns> protected override WebResponse GetWebResponse(WebRequest webRequest) { WebResponse webResponse = base.GetWebResponse(webRequest); AddCookieCollection(webResponse); return webResponse; } #endregion #region 웹 응답 구하기 - GetWebResponse(webRequest, asyncResult) /// <summary> /// 웹 응답 구하기 /// </summary> /// <param name="webRequest">웹 요청</param> /// <param name="asyncResult">비동기 결과</param> /// <returns>웹 응답</returns> protected override WebResponse GetWebResponse(WebRequest webRequest, IAsyncResult asyncResult) { WebResponse webResponse = base.GetWebResponse(webRequest, asyncResult); AddCookieCollection(webResponse); return webResponse; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 쿠키 컬렉션 추가하기 - AddCookieCollection(webResponse) /// <summary> /// 쿠키 컬렉션 추가하기 /// </summary> /// <param name="webResponse">웹 응답</param> private void AddCookieCollection(WebResponse webResponse) { HttpWebResponse httpWebResponse = webResponse as HttpWebResponse; if(httpWebResponse != null) { CookieCollection cookieCollection = httpWebResponse.Cookies; this.cookieContainer.Add(cookieCollection); } } #endregion } |