/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：AssemblyQualifiedTypeNameConverter.cs
 *      2.功能描述：类型配置转换器
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      陈晓野          2014/09/16          1.00            新建
 *******************************************************************************/

using System;
using System.ComponentModel;
using System.Configuration;
using System.Globalization;

namespace Dongke.IBOSS.PRD.WCF.Services.ConfigSetting
{
    /// <summary>
    /// 类型配置转换器
    /// </summary>
    public class AssemblyQualifiedTypeNameConverter : ConfigurationConverterBase
    {
        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        {
            string typeName = (string)value;
            if (string.IsNullOrEmpty(typeName))
            {
                return null;
            }
            Type result = Type.GetType(typeName, false);
            if (result == null)
            {
                throw new ArgumentException(string.Format("不能加载类型\"{0}\"", typeName));
            }
            return result;
        }

        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
        {
            Type type = value as Type;
            if (null == type)
            {
                throw new ArgumentNullException("value");
            }
            return type.AssemblyQualifiedName;
        }
    }
}