Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/HttpResponseHeader.cs

@@ -0,0 +1,82 @@
+//------------------------------------------------------------------------------
+// <copyright file="HttpResponseHeader.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+/*
+ * Single http header representation
+ *
+ * Copyright (c) 1998 Microsoft Corporation
+ */
+
+namespace System.Web {
+    using System;
+    using System.Web.Util;
+
+    /*
+     * Response header (either known or unknown)
+     */
+    [Serializable]
+    internal class HttpResponseHeader {
+
+        private String _unknownHeader;
+        private int _knownHeaderIndex;
+        private String _value;
+
+        internal HttpResponseHeader(int knownHeaderIndex, String value)
+            : this(knownHeaderIndex, value, HttpRuntime.EnableHeaderChecking) {
+        }
+
+        internal HttpResponseHeader(int knownHeaderIndex, string value, bool enableHeaderChecking) {
+            _unknownHeader = null;
+            _knownHeaderIndex = knownHeaderIndex;
+
+            // encode header value if
+            if (enableHeaderChecking) {
+                string encodedName; // unused
+                HttpEncoder.Current.HeaderNameValueEncode(Name, value, out encodedName, out _value);
+            }
+            else {
+                _value = value;
+            }
+        }
+
+        internal HttpResponseHeader(String unknownHeader, String value)
+            : this(unknownHeader, value, HttpRuntime.EnableHeaderChecking) {
+        }
+
+        internal HttpResponseHeader(string unknownHeader, string value, bool enableHeaderChecking) {
+            if (enableHeaderChecking) {
+                HttpEncoder.Current.HeaderNameValueEncode(unknownHeader, value, out _unknownHeader, out _value);
+                _knownHeaderIndex = HttpWorkerRequest.GetKnownResponseHeaderIndex(_unknownHeader);
+            }
+            else {
+                _unknownHeader = unknownHeader;
+                _knownHeaderIndex = HttpWorkerRequest.GetKnownResponseHeaderIndex(_unknownHeader);
+                _value = value;
+            }
+        }
+
+        internal String Name {
+            get {
+                if (_unknownHeader != null)
+                    return _unknownHeader;
+                else
+                    return HttpWorkerRequest.GetKnownResponseHeaderName(_knownHeaderIndex);
+            }
+        }
+
+        internal String Value {
+            get { return _value; }
+        }
+
+        internal void Send(HttpWorkerRequest wr) {
+            if (_knownHeaderIndex >= 0)
+                wr.SendKnownResponseHeader(_knownHeaderIndex, _value);
+            else
+                wr.SendUnknownResponseHeader(_unknownHeader, _value);
+        }
+
+    }
+}