C# UI.LosFormatter類代碼示例

		public void Ctor_BoolByteArray ()
		{
			LosFormatter lf1 = new LosFormatter (false, (byte []) null);
			string expected = NoKeyRoundTrip (lf1, "false, null");

			LosFormatter lf2 = new LosFormatter (true, (byte []) null);
			Assert.AreEqual (expected, NoKeyRoundTrip (lf2, "true, null"), "2");

			LosFormatter lf3 = new LosFormatter (false, Empty);
			Assert.AreEqual (expected, NoKeyRoundTrip (lf3, "false, empty"), "3");

			// an empty key is still a key - a signature is appended
			LosFormatter lf4 = new LosFormatter (true, Empty);
			string signed = NoKeyRoundTrip (lf4, "true, empty");
			Assert.AreNotEqual (expected, signed, "4");

			byte [] data = Convert.FromBase64String (expected);
			byte [] signed_data = Convert.FromBase64String (signed);
			Assert.IsTrue (BitConverter.ToString (signed_data).StartsWith (BitConverter.ToString (data)), "4 / same data");
#if NET_4_0
			// 32 bytes == 256 bits -> match HMACSHA256 as default
			Assert.AreEqual (32, signed_data.Length - data.Length, "signature length");
#else
			// 20 bytes == 160 bits -> match HMACSHA1 as default
			Assert.AreEqual (20, signed_data.Length - data.Length, "signature length");
#endif
		}

 protected object LoadPageStateFromCompressedViewState()
 {
     string viewState = Request.Form["__VSTATE"];
     byte[] bytes = Convert.FromBase64String(viewState);
     bytes = IntegrationWebSiteMvc.Classes.Compressor.Decompress(bytes);
     LosFormatter formatter = new LosFormatter();
     return formatter.Deserialize(Convert.ToBase64String(bytes));
 }

 public override void Load()
 {
     IPersistViewState state = Ra.Brix.Data.Internal.Adapter.Instance as IPersistViewState;
     LosFormatter formatter = new LosFormatter();
     Pair pair = formatter.Deserialize(state.Load(_session.ToString(), Page.Request.Url.ToString())) as Pair;
     ViewState = pair.First;
     ControlState = pair.Second;
 }

 public override void Load()
 {
     string viewStateString = Page.Request["__AJAXVIEWSTATE"];
     viewStateString = viewStateString.Replace(",", "").Replace(" ", "");
     LosFormatter los = new LosFormatter();
     Pair pair = (Pair)los.Deserialize(viewStateString);
     base.ViewState = pair.First;
     base.ControlState = pair.Second;
 }

        protected override object LoadPageStateFromPersistenceMedium()
        {
            string viewState = Request.Form["__VSTATE"];
            byte[] bytes = Convert.FromBase64String(viewState);
            LosFormatter formatter = new LosFormatter();

            bytes = bytes.Decompress();

            return formatter.Deserialize(Convert.ToBase64String(bytes));
        }

 protected void SavePageStateToCompressedViewState(object viewState)
 {
     LosFormatter formatter = new LosFormatter();
     System.IO.StringWriter writer = new System.IO.StringWriter();
     formatter.Serialize(writer, viewState);
     string viewStateString = writer.ToString();
     byte[] bytes = Convert.FromBase64String(viewStateString);
     bytes = IntegrationWebSiteMvc.Classes.Compressor.Compress(bytes);
     ClientScript.RegisterHiddenField("__VSTATE", Convert.ToBase64String(bytes));
 }

        /// <summary>
        /// Creates a unique key which describes the current object. This key is used
        /// by <see cref="SoundInTheory.DynamicImage.Caching.DynamicImageCacheManager" />
        /// to cache dynamically generated images.
        /// </summary>
        /// <returns>A unique key which describes the current object.</returns>
        public string GetCacheKey()
        {
            object allViewState = SaveViewState(true);

            LosFormatter formatter = new LosFormatter();
            StringWriter output = new StringWriter();
            formatter.Serialize(output, allViewState);

            return output.ToString();
        }

		[Test] // bug #411115
		public void Deserialize_Stream_NonSeekable ()
		{
			string s1 = "Hello world";
			NonSeekableStream ns = new NonSeekableStream ();
			LosFormatter lf = new LosFormatter ();
			lf.Serialize (ns, s1);
			ns.Reset ();
			string s2 = lf.Deserialize (ns) as string;
			Assert.AreEqual (s1, s2);
		}

        protected override object LoadPageStateFromPersistenceMedium()
        {
            string vState = this.Request.Form["__VSTATE"];
            byte[] bytes = System.Convert.FromBase64String( vState );

            bytes = this.Decompress( bytes );

            LosFormatter format = new LosFormatter();
            return format.Deserialize( System.Convert.ToBase64String( bytes ) );
        }

		private LosFormatter  _formatter;// = new LosFormatter();
		protected override void SavePageStateToPersistenceMedium(object viewState)
		{
			_formatter = new LosFormatter();

			StringWriter sw = new StringWriter();
			_formatter.Serialize(sw, viewState);
			ComDePress cmp = new ComDePress();
			string outStr = cmp.Compress(sw.ToString());
			Page.RegisterHiddenField("__COMPRESSEDVIEWSTATE",outStr);
		}

		protected override object LoadPageStateFromPersistenceMedium()
		{
			_formatter = new LosFormatter();
			object o;

			string vsString = Request.Form["__COMPRESSEDVIEWSTATE"];
			string outStr = new ComDePress().DeCompress(vsString);
			o = _formatter.Deserialize(outStr);
			return o;
		}

 public override void Save()
 {
     IPersistViewState state = Ra.Brix.Data.Internal.Adapter.Instance as IPersistViewState;
     LosFormatter formatter = new LosFormatter();
     StringBuilder builder = new StringBuilder();
     using (StringWriter writer = new StringWriter(builder))
     {
         formatter.Serialize(writer, new Pair(ViewState, ControlState));
     }
     state.Save(_session.ToString(), Page.Request.Url.ToString(), builder.ToString());
 }

		[Test] // bug #324526
		public void Serialize ()
		{
			string s = "Hello world";
			LosFormatter lf = new LosFormatter ();
			StringWriter sw = new StringWriter ();
			lf.Serialize (sw, s);
			string s1 = sw.ToString ();
			Assert.IsNotNull (s1, "#1");
			string s2 = lf.Deserialize (s1) as string;
			Assert.IsNotNull (s2, "#2");
			Assert.AreEqual (s, s2, "#3");
		}

		public override void Load()
		{
			string id = _session.ToString() + "|" + Page.Request.Url.ToString();
            LosFormatter formatter = new LosFormatter();

			if (Page.Session[id] == null)
				throw new ArgumentException("session timeout ...");

			string obj = Page.Session[id] as string;
            Pair pair = formatter.Deserialize(obj) as Pair;
            ViewState = pair.First;
            ControlState = pair.Second;
		}

		/// <summary>
		/// Loads any saved view-state information to the <see cref="T:System.Web.UI.Page"></see> object.
		/// </summary>
		/// <returns>The saved view state.</returns>
		protected override object LoadPageStateFromPersistenceMedium()
		{
			String viewState =  Request.Params[ViewStateKey];

			if (viewState == null)
			{
				return null;
			}
			else
			{
				LosFormatter formatter = new LosFormatter();
				return formatter.Deserialize(viewState);
			}
		}