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

Hcs.Client/Microsoft/Xades/CRLIdentifier.cs

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+// CRLIdentifier.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 issuer (Issuer element), the time when the CRL
+    /// was issued (IssueTime element) and optionally the number of the CRL
+    /// (Number element).
+    /// The Identifier element can be dropped if the CRL could be inferred from
+    /// other information. Its URI attribute could serve to	indicate where the
+    /// identified CRL is archived.
+    /// </summary>
+    public class CRLIdentifier
+    {
+        #region Private variables
+        private string uriAttribute;
+        private string issuer;
+        private DateTime issueTime;
+        private long number;
+        #endregion
+
+        #region Public properties
+        /// <summary>
+        /// The optional URI attribute could serve to indicate where the OCSP
+        /// response identified is archived
+        /// </summary>
+        public string UriAttribute
+        {
+            get
+            {
+                return this.uriAttribute;
+            }
+            set
+            {
+                this.uriAttribute = value;
+            }
+        }
+
+        /// <summary>
+        /// Issuer of the CRL
+        /// </summary>
+        public string Issuer
+        {
+            get
+            {
+                return this.issuer;
+            }
+            set
+            {
+                this.issuer = value;
+            }
+        }
+
+        /// <summary>
+        /// Date of issue of the CRL
+        /// </summary>
+        public DateTime IssueTime
+        {
+            get
+            {
+                return this.issueTime;
+            }
+            set
+            {
+                this.issueTime = value;
+            }
+        }
+
+        /// <summary>
+        /// Optional number of the CRL
+        /// </summary>
+        public long Number
+        {
+            get
+            {
+                return this.number;
+            }
+            set
+            {
+                this.number = value;
+            }
+        }
+        #endregion
+
+        #region Constructors
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        public CRLIdentifier()
+        {
+            this.issueTime = DateTime.MinValue;
+            this.number = long.MinValue; //Impossible value
+        }
+        #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.issuer))
+            {
+                retVal = true;
+            }
+
+            if (this.issueTime != DateTime.MinValue)
+            {
+                retVal = true;
+            }
+
+            if (this.number != long.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:Issuer", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.issuer = xmlNodeList.Item(0).InnerText;
+            }
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:IssueTime", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.issueTime = XmlConvert.ToDateTime(xmlNodeList.Item(0).InnerText, XmlDateTimeSerializationMode.Local);
+            }
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:Number", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.number = long.Parse(xmlNodeList.Item(0).InnerText);
+            }
+        }
+
+        /// <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", "CRLIdentifier", XadesSignedXml.XadesNamespaceUri);
+
+            retVal.SetAttribute("URI", this.uriAttribute);
+
+            if (!String.IsNullOrEmpty(this.issuer))
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "Issuer", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = this.issuer;
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            if (this.issueTime != DateTime.MinValue)
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "IssueTime", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = Convert.ToString(this.issueTime.ToString("s"));
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            if (this.number != long.MinValue)
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "Number", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = this.number.ToString();
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            return retVal;
+        }
+        #endregion
+    }
+}