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

namespace SiwiFms.Helper
{
    public class XmlHelper
    {
        /// <summary>
        /// xml字符串转对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="xmlStr"></param>
        /// <returns></returns>
        public static T DeserializeXmlStr<T>(string xmlStr) {
            if (string.IsNullOrWhiteSpace(xmlStr)) return default(T);
            try
            {
                using (StringReader sr = new StringReader(xmlStr))
                {
                    XmlSerializer xs = new XmlSerializer(typeof(T));
                    return (T)xs.Deserialize(sr);
                }
            }
            catch (Exception ex) {
                Console.WriteLine(ex.Message);
                return default(T);
            }
        }

        /// <summary>
        /// xml序列化
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string SerializeXmlStr(object obj) {
            if (obj == null) return string.Empty;
            MemoryStream stream = new MemoryStream();
            StreamReader sr = null;
            try
            {
                XmlSerializer xs = new XmlSerializer(obj.GetType());
                xs.Serialize(stream, obj);
                stream.Position = 0;
                sr = new StreamReader(stream);
                return sr.ReadToEnd();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                return "";
            }
            finally {
                if (sr != null)
                {
                    sr.Dispose();
                }
                stream.Dispose();
            }
        }
    }
}