DownloaderSvc/XmlHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
using System.IO;
using System.Xml;

// 此处代码来源于博客【在.net中读写config文件的各种方法】的示例代码
// http://www.cnblogs.com/fish-li/archive/2011/12/18/2292037.html

namespace DownloaderSvc
{
    public static class XmlHelper
    {
        private static void XmlSerializeInternal(Stream stream, object o, Encoding encoding)
        {
            if (o == null)
                throw new ArgumentNullException("o");
            if (encoding == null)
                throw new ArgumentNullException("encoding");

            XmlSerializer serializer = new XmlSerializer(o.GetType());

            XmlWriterSettings settings = new XmlWriterSettings();
            settings.Indent = true;
            settings.NewLineChars = "\r\n";
            settings.Encoding = encoding;
            settings.IndentChars = "    ";

            using (XmlWriter writer = XmlWriter.Create(stream, settings))
            {
                serializer.Serialize(writer, o);
                writer.Close();
            }
        }

        /// <summary>
        /// 将一个对象序列化为XML字符串
        /// </summary>
        /// <param name="o">要序列化的对象</param>
        /// <param name="encoding">编码方式</param>
        /// <returns>序列化产生的XML字符串</returns>
        public static string XmlSerialize(object o, Encoding encoding)
        {
            using (MemoryStream stream = new MemoryStream())
            {
                XmlSerializeInternal(stream, o, encoding);

                stream.Position = 0;
                using (StreamReader reader = new StreamReader(stream, encoding))
                {
                    return reader.ReadToEnd();
                }
            }
        }

        /// <summary>
        /// 将一个对象按XML序列化的方式写入到一个文件
        /// </summary>