C# Serialization.XmlAttributeOverrides类代码示例

        private async void ButtonSendErrorReport_Click(object sender, RoutedEventArgs e)
        {
            var ex = Error.ToExceptionless();
            ex.SetUserDescription(string.Empty, NoteTextBox.Text);
            ex.AddObject(HurricaneSettings.Instance.Config, "HurricaneSettings", null, null, true);

            if (HurricaneSettings.Instance.IsLoaded)
            {
                using (var sw = new StringWriter())
                {
                    XmlAttributeOverrides overrides = new XmlAttributeOverrides(); //DONT serialize the passwords and send them to me!
                    XmlAttributes attribs = new XmlAttributes {XmlIgnore = true};
                    attribs.XmlElements.Add(new XmlElementAttribute("Passwords"));
                    overrides.Add(typeof(ConfigSettings), "Passwords", attribs);

                    var xmls = new XmlSerializer(typeof(ConfigSettings), overrides);
                    xmls.Serialize(sw, HurricaneSettings.Instance.Config);

                    var doc = new XmlDocument();
                    doc.LoadXml(sw.ToString());
                    ex.SetProperty("HurricaneSettings", JsonConvert.SerializeXmlNode(doc));
                }
            }

            ex.Submit();
            ((Button)sender).IsEnabled = false;
            StatusProgressBar.IsIndeterminate = true;
            await ExceptionlessClient.Default.ProcessQueueAsync();
            StatusProgressBar.IsIndeterminate = false;
            Application.Current.Shutdown();
        }

        //SerialSample4\form1.cs
        private void button1_Click(object sender, System.EventArgs e)
        {
            //create the XmlAttributes boject
              XmlAttributes attrs=new XmlAttributes();
              //add the types of the objects that will be serialized
              attrs.XmlElements.Add(new XmlElementAttribute("Book",typeof(BookProduct)));
              attrs.XmlElements.Add(new XmlElementAttribute("Product",typeof(Product)));
              XmlAttributeOverrides attrOver=new XmlAttributeOverrides();
              //add to the attributes collection
              attrOver.Add(typeof(Inventory),"InventoryItems",attrs);
              //create the Product and Book objects
              Product newProd=new Product();
              BookProduct newBook=new BookProduct();

              newProd.ProductID=100;
              newProd.ProductName="Product Thing";
              newProd.SupplierID=10;

              newBook.ProductID=101;
              newBook.ProductName="How to Use Your New Product Thing";
              newBook.SupplierID=10;
              newBook.ISBN="123456789";

              Product[] addProd={newProd,newBook};

              Inventory inv=new Inventory();
              inv.InventoryItems=addProd;
              TextWriter tr=new StreamWriter("..\\..\\..\\inventory.xml");
              XmlSerializer sr=new XmlSerializer(typeof(Inventory),attrOver);

              sr.Serialize(tr,inv);
              tr.Close();
            MessageBox.Show("Serialized!");
        }

        public byte[] getRequestContent( string doctype, string root, Type type, object obj)
        {
            XmlSerializer serializer = null;
            if (root == null)
            {
                //... root element will be the object type name
                serializer = new XmlSerializer(type);
            }
            else
            {
                //... root element set explicitely
                var xattribs = new XmlAttributes();
                var xroot = new XmlRootAttribute(root);
                xattribs.XmlRoot = xroot;
                var xoverrides = new XmlAttributeOverrides();
                xoverrides.Add(type, xattribs);
                serializer = new XmlSerializer(type, xoverrides);
            }
            XmlWriterSettings settings = new XmlWriterSettings();
            settings.Indent = false;
            settings.OmitXmlDeclaration = false;
            settings.Encoding = new UTF8Encoding(false/*no BOM*/, true/*throw if input illegal*/);

            XmlSerializerNamespaces xmlNameSpace = new XmlSerializerNamespaces();
            xmlNameSpace.Add("xsi", "http://www.w3.org/2001/XMLSchema-instance");
            xmlNameSpace.Add("noNamespaceSchemaLocation", m_schemadir + "/" + doctype + "." + m_schemaext);

            StringWriter sw = new StringWriter();
            XmlWriter xw = XmlWriter.Create( sw, settings);
            xw.WriteProcessingInstruction("xml", "version='1.0' encoding='UTF-8'");

            serializer.Serialize(xw, obj, xmlNameSpace);

            return settings.Encoding.GetBytes( sw.ToString());
        }

        public static PersistentVM LoadStateFromFile(string filePath)
        {
            if (!File.Exists(filePath))
            {
                throw new ArgumentException(Resources.MissingPersistentVMFile, "filePath");
            }

            XmlAttributeOverrides overrides = new XmlAttributeOverrides();
            XmlAttributes ignoreAttrib = new XmlAttributes();
            ignoreAttrib.XmlIgnore = true;
            overrides.Add(typeof(DataVirtualHardDisk), "MediaLink", ignoreAttrib);
            overrides.Add(typeof(DataVirtualHardDisk), "SourceMediaLink", ignoreAttrib);
            overrides.Add(typeof(OSVirtualHardDisk), "MediaLink", ignoreAttrib);
            overrides.Add(typeof(OSVirtualHardDisk), "SourceImageName", ignoreAttrib);

            var serializer = new System.Xml.Serialization.XmlSerializer(typeof(PersistentVM), overrides, new Type[] { typeof(NetworkConfigurationSet) }, null, null);

            PersistentVM role = null;
            
            using (var stream = new FileStream(filePath, FileMode.Open))
            {
                role = serializer.Deserialize(stream) as PersistentVM;
            }

            return role;
        }

		public void SameEmptyObjectTwice()
		{
			// the same object should most certainly
			// result in the same signature, even when it's empty
			XmlAttributeOverrides ov = new XmlAttributeOverrides();
			ThumbprintHelpers.SameThumbprint(ov, ov);
		}

        /// <summary>
        /// Serializes an object into an XML document
        /// </summary>
        /// <param name="obj">object to serialize</param>
        /// <param name="rootAttribute">root attribute to use</param>
        /// <param name="namespacePrefixes">namespace prefixes</param>
        /// <returns>a string that contains the XML document</returns>
        public static string Serialize(object obj, XmlRootAttribute rootAttribute, params XmlQualifiedName[] namespacePrefixes)
        {
            if (obj == null)
            {
                return null;
            }

            using (var textWriter = new StringWriterUTF8())
            {
                var type = obj.GetType();
                var xmlAttributeOverrides = new XmlAttributeOverrides();
                if (rootAttribute != null)
                {
                    var xmlAttributes = new XmlAttributes();
                    xmlAttributes.XmlRoot = rootAttribute;
                    xmlAttributeOverrides.Add(type, xmlAttributes);
                }
                using (var xmWriter = XmlWriter.Create(textWriter, new XmlWriterSettings() { OmitXmlDeclaration = true }))
                {
                    var namespaces = new XmlSerializerNamespaces();
                    if (namespacePrefixes != null)
                    {
                        foreach (var ns in namespacePrefixes)
                        {
                            namespaces.Add(ns.Name, ns.Namespace);
                        }
                    }
                    new XmlSerializer(type, xmlAttributeOverrides).Serialize(xmWriter, obj, namespaces);
                }
                return textWriter.ToString();
            }
        }

        public static byte[] getRequestContent(string doctype, string root, Type type, object obj)
        {
            var xattribs = new XmlAttributes();
            var xroot = new XmlRootAttribute(root);
            xattribs.XmlRoot = xroot;
            var xoverrides = new XmlAttributeOverrides();
            //... have to use XmlAttributeOverrides because .NET insists on the object name as root element name otherwise ([XmlRoot(..)] has no effect)
            xoverrides.Add(type, xattribs);

            XmlSerializer serializer = new XmlSerializer(type, xoverrides);
            StringWriter sw = new StringWriter();
            XmlWriterSettings wsettings = new XmlWriterSettings();
            wsettings.OmitXmlDeclaration = false;
            wsettings.Encoding = new UTF8Encoding();
            XmlWriter xw = XmlWriter.Create(sw, wsettings);
            xw.WriteProcessingInstruction("xml", "version='1.0' standalone='no'");
            //... have to write header by hand (OmitXmlDeclaration=false has no effect)
            xw.WriteDocType(root, null, doctype + ".sfrm", null);

            XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
            ns.Add("", "");
            //... trick to avoid printing of xmlns:xsi xmlns:xsd attributes of the root element

            serializer.Serialize(xw, obj, ns);
            return sw.ToArray();
        }

		public static PersistentVM LoadStateFromFile(string filePath)
		{
			PersistentVM persistentVM;
			if (File.Exists(filePath))
			{
				XmlAttributeOverrides xmlAttributeOverride = new XmlAttributeOverrides();
				XmlAttributes xmlAttribute = new XmlAttributes();
				xmlAttribute.XmlIgnore = true;
				xmlAttributeOverride.Add(typeof(DataVirtualHardDisk), "MediaLink", xmlAttribute);
				xmlAttributeOverride.Add(typeof(DataVirtualHardDisk), "SourceMediaLink", xmlAttribute);
				xmlAttributeOverride.Add(typeof(OSVirtualHardDisk), "MediaLink", xmlAttribute);
				xmlAttributeOverride.Add(typeof(OSVirtualHardDisk), "SourceImageName", xmlAttribute);
				Type[] typeArray = new Type[1];
				typeArray[0] = typeof(NetworkConfigurationSet);
				XmlSerializer xmlSerializer = new XmlSerializer(typeof(PersistentVM), xmlAttributeOverride, typeArray, null, null);
				using (FileStream fileStream = new FileStream(filePath, FileMode.Open))
				{
					persistentVM = xmlSerializer.Deserialize(fileStream) as PersistentVM;
				}
				return persistentVM;
			}
			else
			{
				throw new ArgumentException("The file to load the role does not exist", "filePath");
			}
		}

 protected virtual void OnCreateXmlSerializer(XmlAttributeOverrides overrides, List<Type> additionalTypes, List<Type> additionalControls)
 {
     if (GetType().Assembly != typeof(IWindowlessControl).Assembly)
     {
         AddAssemblyControlsToList(GetType().Assembly, additionalControls);
     }
 }

		/// <summary>
		/// Creates a signature for the passed in XmlAttributeOverrides
		/// </summary>
		/// <param name="overrides"></param>
		/// <returns>An instance indpendent signature of the XmlAttributeOverrides</returns>
		public static string GetOverridesSignature(XmlAttributeOverrides overrides)
		{
			// GetHashCode looks at something other than the content
			// of XmlOverrideAttributes and comes up with different
			// hash values for two instances that would produce
			// the same XML is the were applied to the XmlSerializer.
			// Therefore I need to do something more intelligent
			// to normalize the content of XmlAttributeOverrides
			// or extract a thumbpront that only accounts for the
			// attributes in XmlAttributeOverrides.

			// The main problems is that 
			// I can only access the hashtables that store the 
			// overriding attributes through reflection, i.e.
			// I can't run the XmlSerializerCache in a partially
			// trusted security context.
			//
			// Also, the extra computation to create a purely
			// content-based thumbprint not offset the savings.
			// 
			// If none if these were an issue I'd simply say:
			// return overrides.GetHashCode().ToString();

			string thumbPrint = null;
			if (null != overrides)
			{
				thumbPrint = XmlAttributeOverridesThumbprinter.GetThumbprint(overrides);
			}
			return thumbPrint;
		}

		internal static void DifferentThumbprint(XmlAttributeOverrides ov1, XmlAttributeOverrides ov2)
		{
			string print1 = XmlAttributeOverridesThumbprinter.GetThumbprint(ov1);
			string print2 = XmlAttributeOverridesThumbprinter.GetThumbprint(ov2);

			Assert.IsFalse(print1 == print2);
		}

        public static XmlAttributeOverrides Create(Type objectType)
        {
            XmlAttributeOverrides xOver = null;

            if (!table.TryGetValue(objectType, out xOver))
            {
                // Create XmlAttributeOverrides object.
                xOver = new XmlAttributeOverrides();

                /* Create an XmlTypeAttribute and change the name of the XML type. */
                XmlTypeAttribute xType = new XmlTypeAttribute();
                xType.TypeName = objectType.Name;

                // Set the XmlTypeAttribute to the XmlType property.
                XmlAttributes attrs = new XmlAttributes();
                attrs.XmlType = xType;

                /* Add the XmlAttributes to the XmlAttributeOverrides,
                   specifying the member to override. */
                xOver.Add(objectType, attrs);

                table.MergeSafe(objectType, xOver);
            }

            return xOver;
        }

        public static XmlAttributeOverrides GetExportedDefinitionsOverrides(XmlAttributeOverrides DefinitionsOverrides)
        {
            var _container = PluginContainer.GetOvalCompositionContainer();

            var testTypes = _container.GetExports<TestType>().Select(exp => exp.Value.GetType());
            var objectTypes = _container.GetExports<ObjectType>().Select(exp => exp.Value.GetType());
            var stateTypes = _container.GetExports<StateType>().Select(exp => exp.Value.GetType());

            XmlAttributes testAttributes = new XmlAttributes();
            foreach (var testType in testTypes)
            {
                var xmlAttrs = (testType.GetCustomAttributes(typeof(XmlRootAttribute), false) as XmlRootAttribute[]).SingleOrDefault();
                testAttributes.XmlArrayItems.Add(new XmlArrayItemAttribute(xmlAttrs.ElementName, testType) { Namespace = xmlAttrs.Namespace });
            }
            DefinitionsOverrides.Add(typeof(oval_definitions), "tests", testAttributes);
            XmlAttributes objectAttributes = new XmlAttributes();
            foreach (var objectType in objectTypes)
            {
                var xmlAttrs = (objectType.GetCustomAttributes(typeof(XmlRootAttribute), false) as XmlRootAttribute[]).SingleOrDefault();
                objectAttributes.XmlArrayItems.Add(new XmlArrayItemAttribute(xmlAttrs.ElementName, objectType) { Namespace = xmlAttrs.Namespace });
            }
            DefinitionsOverrides.Add(typeof(oval_definitions), "objects", objectAttributes);

            XmlAttributes stateAttributes = new XmlAttributes();
            foreach (var stateType in stateTypes)
            {
                var xmlAttrs = (stateType.GetCustomAttributes(typeof(XmlRootAttribute), false) as XmlRootAttribute[]).SingleOrDefault();
                stateAttributes.XmlArrayItems.Add(new XmlArrayItemAttribute(xmlAttrs.ElementName, stateType) { Namespace = xmlAttrs.Namespace });
            }
            DefinitionsOverrides.Add(typeof(oval_definitions), "states", stateAttributes);

            return DefinitionsOverrides;
        }

        private static string SerializeToXml(TransportMessage transportMessage)
        {
            var overrides = new XmlAttributeOverrides();
            var attrs = new XmlAttributes {XmlIgnore = true};

            // Exclude non-serializable members
            overrides.Add(typeof (TransportMessage), "Body", attrs);
            overrides.Add(typeof (TransportMessage), "ReplyToAddress", attrs);
            overrides.Add(typeof (TransportMessage), "Headers", attrs);

            var sb = new StringBuilder();
            var xws = new XmlWriterSettings { Encoding = Encoding.Unicode };
            var xw = XmlWriter.Create(sb, xws);
            var xs = new XmlSerializer(typeof (TransportMessage), overrides);
            xs.Serialize(xw, transportMessage);

            var xdoc = XDocument.Parse(sb.ToString());
            var body = new XElement("Body");
            var cdata = new XCData(Encoding.UTF8.GetString(transportMessage.Body));
            body.Add(cdata);
            xdoc.SafeElement("TransportMessage").Add(body);

            sb.Clear();
            var sw = new StringWriter(sb);
            xdoc.Save(sw);

            return sb.ToString();
        }

 /// <include file='doc\XmlSerializer.uex' path='docs/doc[@for="XmlSerializer.XmlSerializer"]/*' />
 /// <devdoc>
 ///    <para>[To be supplied.]</para>
 /// </devdoc>
 public XmlSerializer(Type type, XmlAttributeOverrides overrides, Type[] extraTypes, XmlRootAttribute root, string defaultNamespace) {
     XmlReflectionImporter importer = new XmlReflectionImporter(overrides, defaultNamespace);
     for (int i = 0; i < extraTypes.Length; i++)
         importer.IncludeType(extraTypes[i]);
     tempAssembly = GenerateTempAssembly(importer.ImportTypeMapping(type, root));
     this.events.sender = this;
 }