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

Hcs.Client/Microsoft/Xades/SignatureProductionPlace.cs

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+// SignatureProductionPlace.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>
+    /// In some transactions the purported place where the signer was at the time
+    /// of signature creation may need to be indicated. In order to provide this
+    /// information a new property may be included in the signature.
+    /// This property specifies an address associated with the signer at a
+    /// particular geographical (e.g. city) location.
+    /// This is a signed property that qualifies the signer.
+    /// An XML electronic signature aligned with the present document MAY contain
+    /// at most one SignatureProductionPlace element.
+    /// </summary>
+    public class SignatureProductionPlace
+    {
+        #region Private variables
+        private string city;
+        private string stateOrProvince;
+        private string postalCode;
+        private string countryName;
+        #endregion
+
+        #region Public properties
+        /// <summary>
+        /// City where signature was produced
+        /// </summary>
+        public string City
+        {
+            get
+            {
+                return this.city;
+            }
+            set
+            {
+                this.city = value;
+            }
+        }
+
+        /// <summary>
+        /// State or province where signature was produced
+        /// </summary>
+        public string StateOrProvince
+        {
+            get
+            {
+                return this.stateOrProvince;
+            }
+            set
+            {
+                this.stateOrProvince = value;
+            }
+        }
+
+        /// <summary>
+        /// Postal code of place where signature was produced
+        /// </summary>
+        public string PostalCode
+        {
+            get
+            {
+                return this.postalCode;
+            }
+            set
+            {
+                this.postalCode = value;
+            }
+        }
+
+        /// <summary>
+        /// Country where signature was produced
+        /// </summary>
+        public string CountryName
+        {
+            get
+            {
+                return this.countryName;
+            }
+            set
+            {
+                this.countryName = value;
+            }
+        }
+        #endregion
+
+        #region Constructors
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        public SignatureProductionPlace()
+        {
+        }
+        #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.city))
+            {
+                retVal = true;
+            }
+
+            if (!String.IsNullOrEmpty(this.stateOrProvince))
+            {
+                retVal = true;
+            }
+
+            if (!String.IsNullOrEmpty(this.postalCode))
+            {
+                retVal = true;
+            }
+
+            if (!String.IsNullOrEmpty(this.countryName))
+            {
+                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");
+            }
+
+            xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
+            xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:City", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.city = xmlNodeList.Item(0).InnerText;
+            }
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:PostalCode", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.postalCode = xmlNodeList.Item(0).InnerText;
+            }
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:StateOrProvince", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.stateOrProvince = xmlNodeList.Item(0).InnerText;
+            }
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:CountryName", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.countryName = 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", "SignatureProductionPlace", XadesSignedXml.XadesNamespaceUri);
+
+            if (!String.IsNullOrEmpty(this.city))
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "City", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = this.city;
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            if (!String.IsNullOrEmpty(this.stateOrProvince))
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "StateOrProvince", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = this.stateOrProvince;
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            if (!String.IsNullOrEmpty(this.postalCode))
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "PostalCode", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = this.postalCode;
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            if (this.countryName != null && this.countryName != "")
+            {
+                bufferXmlElement = creationXmlDocument.CreateElement("xades", "CountryName", XadesSignedXml.XadesNamespaceUri);
+                bufferXmlElement.InnerText = this.countryName;
+                retVal.AppendChild(bufferXmlElement);
+            }
+
+            return retVal;
+        }
+        #endregion
+    }
+}