/// <summary>
/// 读取
/// </summary>
/// <param name="key">键，接口全路径，包含接口的程序集名，比如：Hzdtf.Contract,Hzdtf.Contract.ITestable</param>
/// <returns>值，接口对应的实现类名，比如：Hzdtf.Impl,Hzdtf.Impl.Test</returns>
public string Reader(string key)
{
if (dicCaches.ContainsKey(key))
{
return(dicCaches[key]);
}
else
{
var dicMap = readerConfig.Reader();
if (dicMap.IsNullOrCount0())
{
throw new Exception("找不到任何程序集的配置");
}
// 获取接口程序集
string interfaceAssemblyName;
var interfaceClassFullName = ReflectUtil.GetClassAndAssemblyFullName(key, out interfaceAssemblyName);
if (string.IsNullOrWhiteSpace(interfaceAssemblyName))
{
throw new Exception($"[{key}]的接口程序集不能为空");
}
var interfaceAssembly = ReflectUtil.GetAssembly(interfaceAssemblyName);
if (interfaceAssembly == null)
{
throw new Exception($"找不到[{interfaceAssemblyName}]的接口程序集");
}
Type interfaceType = interfaceAssembly.GetType(interfaceClassFullName);
if (interfaceType == null)
{
throw new Exception($"找不到[{interfaceClassFullName}]的接口类型");
}
// 找到对应的实现程序集
if (dicMap.ContainsKey(interfaceAssemblyName))
{
var implAssemblyName = dicMap[interfaceAssemblyName];
var implAssembly = ReflectUtil.GetAssembly(implAssemblyName);
if (implAssembly == null)
{
throw new Exception($"[{interfaceAssemblyName}]的对应的实现程序集");
}
var implType = implAssembly.GetTypes().Where(t => t.IsClass && t.IsPublic && interfaceType.IsAssignableFrom(t)).FirstOrDefault();
if (implType == null)
{
throw new Exception($"[{interfaceClassFullName}]的对应的实现类");
}
var implFullName = $"{implAssemblyName},{implType.FullName}";
Set(key, implFullName);
return(implFullName);
}
else
{
throw new Exception($"找不到[{interfaceAssemblyName}]的接口程序集的配置");
}
}
throw new Exception($"找不到[{key}]对应的实现类");
}