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Basic formatting applied. Unnecessary comments have been removed. Suspicious code is covered by TODO.

Hcs.Client/Microsoft/Xades/OCSPIdentifier.cs

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+// OCSPIdentifier.cs
+//
+// XAdES Starter Kit for Microsoft .NET 3.5 (and above)
+// 2010 Microsoft France
+// Published under the CECILL-B Free Software license agreement.
+// (http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt)
+// 
+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, 
+// WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED 
+// WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE. 
+// THE ENTIRE RISK OF USE OR RESULTS IN CONNECTION WITH THE USE OF THIS CODE 
+// AND INFORMATION REMAINS WITH THE USER.
+
+using System;
+using System.Xml;
+
+namespace Microsoft.Xades
+{
+    /// <summary>
+    /// This class includes the name of the server that has produced the
+    /// referenced response (ResponderID element) and the time indication in
+    /// the "ProducedAt" field of the referenced response (ProducedAt element).
+    /// The optional URI attribute could serve to indicate where the OCSP
+    /// response identified is archived.
+    /// </summary>
+    public class OCSPIdentifier
+    {
+        #region Private variables
+        private string uriAttribute;
+        private string responderID;
+        private DateTime producedAt;
+        #endregion
+
+        #region Public properties
+        /// <summary>
+        /// The optional URI attribute could serve to indicate where the OCSP
+        /// response is archived
+        /// </summary>
+        public string UriAttribute
+        {
+            get
+            {
+                return this.uriAttribute;
+            }
+            set
+            {
+                this.uriAttribute = value;
+            }
+        }
+
+        /// <summary>
+        /// The ID of the server that has produced the referenced response
+        /// </summary>
+        public string ResponderID
+        {
+            get
+            {
+                return this.responderID;
+            }
+            set
+            {
+                this.responderID = value;
+            }
+        }
+
+        /// <summary>
+        /// Time indication in the referenced response
+        /// </summary>
+        public DateTime ProducedAt
+        {
+            get
+            {
+                return this.producedAt;
+            }
+            set
+            {
+                this.producedAt = value;
+            }
+        }
+        #endregion
+
+        #region Constructors
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        public OCSPIdentifier()
+        {
+            this.producedAt = DateTime.MinValue;
+        }
+        #endregion
+
+        #region Public methods
+        /// <summary>
+        /// Check to see if something has changed in this instance and needs to be serialized
+        /// </summary>
+        /// <returns>Flag indicating if a member needs serialization</returns>
+        public bool HasChanged()
+        {
+            bool retVal = false;
+
+            if (!String.IsNullOrEmpty(this.uriAttribute))
+            {
+                retVal = true;
+            }
+
+            if (!String.IsNullOrEmpty(this.responderID))
+            {
+                retVal = true;
+            }
+
+            if (this.producedAt != DateTime.MinValue)
+            {
+                retVal = true;
+            }
+
+            return retVal;
+        }
+
+        /// <summary>
+        /// Load state from an XML element
+        /// </summary>
+        /// <param name="xmlElement">XML element containing new state</param>
+        public void LoadXml(System.Xml.XmlElement xmlElement)
+        {
+            XmlNamespaceManager xmlNamespaceManager;
+            XmlNodeList xmlNodeList;
+
+            if (xmlElement == null)
+            {
+                throw new ArgumentNullException("xmlElement");
+            }
+            if (xmlElement.HasAttribute("URI"))
+            {
+                this.uriAttribute = xmlElement.GetAttribute("URI");
+            }
+
+            xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
+            xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:ResponderID", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.responderID = xmlNodeList.Item(0).InnerText;
+            }
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:ProducedAt", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.producedAt = XmlConvert.ToDateTime(xmlNodeList.Item(0).InnerText, XmlDateTimeSerializationMode.Local);
+            }
+        }
+
+        /// <summary>
+        /// Returns the XML representation of the this object
+        /// </summary>
+        /// <returns>XML element containing the state of this object</returns>
+        public XmlElement GetXml()
+        {
+            XmlDocument creationXmlDocument;
+            XmlElement retVal;
+            XmlElement bufferXmlElement;
+
+            creationXmlDocument = new XmlDocument();
+            retVal = creationXmlDocument.CreateElement("xades", "OCSPIdentifier", XadesSignedXml.XadesNamespaceUri);
+
+            retVal.SetAttribute("URI", this.uriAttribute);
+
+            if (!String.IsNullOrEmpty(this.responderID))
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "ResponderID", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = this.responderID;
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            if (this.producedAt != DateTime.MinValue)
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "ProducedAt", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = Convert.ToString(this.producedAt.ToString("s"));
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            return retVal;
+        }
+        #endregion
+    }
+}