116 lines
4.1 KiB
C#
116 lines
4.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml;
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using System.Xml.Serialization;
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namespace Inotify.Common
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{
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public static class XmlHelper
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{
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private static void XmlSerializeInternal(Stream stream, object o, Encoding encoding)
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{
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if (o == null)
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throw new ArgumentNullException("o");
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if (encoding == null)
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throw new ArgumentNullException("encoding");
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XmlSerializer serializer = new XmlSerializer(o.GetType());
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XmlWriterSettings settings = new XmlWriterSettings();
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settings.Indent = true;
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settings.NewLineChars = "\r\n";
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settings.Encoding = encoding;
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settings.IndentChars = " ";
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using (XmlWriter writer = XmlWriter.Create(stream, settings))
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{
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serializer.Serialize(writer, o);
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writer.Close();
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}
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}
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/// <summary>
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/// 将一个对象序列化为XML字符串
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/// </summary>
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/// <param name="o">要序列化的对象</param>
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/// <param name="encoding">编码方式</param>
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/// <returns>序列化产生的XML字符串</returns>
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public static string XmlSerialize(object o, Encoding encoding)
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{
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using (MemoryStream stream = new MemoryStream())
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{
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XmlSerializeInternal(stream, o, encoding);
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stream.Position = 0;
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using (StreamReader reader = new StreamReader(stream, encoding))
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{
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return reader.ReadToEnd();
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}
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}
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}
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/// <summary>
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/// 将一个对象按XML序列化的方式写入到一个文件
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/// </summary>
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/// <param name="o">要序列化的对象</param>
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/// <param name="path">保存文件路径</param>
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/// <param name="encoding">编码方式</param>
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public static void XmlSerializeToFile(object o, string path, Encoding encoding)
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{
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if (string.IsNullOrEmpty(path))
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throw new ArgumentNullException("path");
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using (FileStream file = new FileStream(path, FileMode.Create, FileAccess.Write))
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{
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XmlSerializeInternal(file, o, encoding);
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}
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}
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/// <summary>
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/// 从XML字符串中反序列化对象
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/// </summary>
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/// <typeparam name="T">结果对象类型</typeparam>
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/// <param name="s">包含对象的XML字符串</param>
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/// <param name="encoding">编码方式</param>
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/// <returns>反序列化得到的对象</returns>
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public static T XmlDeserialize<T>(string s, Encoding encoding)
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{
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if (string.IsNullOrEmpty(s))
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throw new ArgumentNullException("s");
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if (encoding == null)
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throw new ArgumentNullException("encoding");
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XmlSerializer mySerializer = new XmlSerializer(typeof(T));
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using (MemoryStream ms = new MemoryStream(encoding.GetBytes(s)))
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{
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using (StreamReader sr = new StreamReader(ms, encoding))
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{
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return (T)mySerializer.Deserialize(sr);
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}
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}
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}
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/// <summary>
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/// 读入一个文件，并按XML的方式反序列化对象。
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/// </summary>
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/// <typeparam name="T">结果对象类型</typeparam>
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/// <param name="path">文件路径</param>
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/// <param name="encoding">编码方式</param>
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/// <returns>反序列化得到的对象</returns>
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public static T XmlDeserializeFromFile<T>(string path, Encoding encoding)
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{
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if (string.IsNullOrEmpty(path))
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throw new ArgumentNullException("path");
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if (encoding == null)
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throw new ArgumentNullException("encoding");
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string xml = File.ReadAllText(path, encoding);
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return XmlDeserialize<T>(xml, encoding);
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}
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}
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}
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