move generic code to volian.base.library

2011-09-08 20:41:25 +00:00
parent 44594cdd29
commit dc873787a3
1 changed files with 101 additions and 0 deletions
--- a/PROMS/Volian.Base.Library/GenericSerializer.cs
+++ b/PROMS/Volian.Base.Library/GenericSerializer.cs
@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Xml;
+using System.Xml.Serialization;
+using System.Xml.Schema;
+
+namespace Volian.Base.Library
+{
+	public static class GenericSerializer<T> where T : class
+	{
+		public static string StringSerialize(T t)
+		{
+			string strOutput = string.Empty;
+			XmlSerializer xs = new XmlSerializer(typeof(T));
+			using (MemoryStream ms = new MemoryStream())
+			{
+				xs.Serialize(new NonXsiTextWriter(ms, Encoding.Unicode), t);
+				//xs.Serialize(ms, t);
+				ms.Position = 0;
+				StreamReader sr = new StreamReader(ms);
+				strOutput = sr.ReadToEnd();
+				ms.Close();
+			}
+			return strOutput;
+		}
+		public static T StringDeserialize(string s)
+		{
+			T t;
+			XmlSerializer xs = new XmlSerializer(typeof(T));
+			UTF8Encoding enc = new UTF8Encoding();
+			Byte[] arrBytData = enc.GetBytes(s);
+			using (MemoryStream ms = new MemoryStream(arrBytData))
+			{
+				t = (T)xs.Deserialize(ms);
+			}
+			return t;
+		}
+		//public static void WriteFile(T t, string fileName)
+		//{
+		//  string strOutput = string.Empty;
+		//  XmlSerializer xs = new XmlSerializer(typeof(T));
+		//  using (FileStream fs = new FileStream(fileName, FileMode.Create))
+		//  {
+		//    xs.Serialize(new NonXsiTextWriter(fs, Encoding.UTF8), t);
+		//    fs.Close();
+		//  }
+		//}
+		//public static T ReadFile(string fileName)
+		//{
+		//  T t;
+		//  XmlSerializer xs = new XmlSerializer(typeof(T));
+		//  using (FileStream fs = new FileStream(fileName, FileMode.Open))
+		//  {
+		//    t = (T)xs.Deserialize(fs);
+		//  }
+		//  return t;
+		//}
+	}
+	public class NonXsiTextWriter : XmlTextWriter
+	{
+		public NonXsiTextWriter(TextWriter w) : base(w) { }
+		public NonXsiTextWriter(Stream w, Encoding encoding)
+			: base(w, encoding)
+		{
+			this.Formatting = Formatting.Indented;
+		}
+		public NonXsiTextWriter(string filename, Encoding encoding) : base(filename, encoding) { }
+		bool _skip = false;
+		public override void WriteStartAttribute(string prefix, string localName, string ns)
+		{
+			if ((prefix == "xmlns" && (localName == "xsd" || localName == "xsi")) || // Omits XSD and XSI declarations. 
+				ns == XmlSchema.InstanceNamespace) // Omits all XSI attributes. 
+			{
+				_skip = true;
+				return;
+			}
+			if (localName == "xlink_href")
+				base.WriteStartAttribute(prefix, "xlink:href", ns);
+			//else if (localName == "encoding")
+			//  _skip = true;
+			else
+				base.WriteStartAttribute(prefix, localName, ns);
+		}
+		public override void WriteString(string text)
+		{
+			if (_skip) return;
+			base.WriteString(text);
+		}
+		public override void WriteEndAttribute()
+		{
+			if (_skip)
+			{ // Reset the flag, so we keep writing. 
+				_skip = false;
+				return;
+			}
+			base.WriteEndAttribute();
+		}
+	}
+}