/// <summary>
/// 构建写出帮助器
/// </summary>
/// <param name="byMsgType"></param>
/// <returns></returns>
public static IWriteHelper Make(System.Type byMsgType)
{
if (byMsgType == null)
{
// 如果参数对象为空,
// 则直接退出!
return(null);
}
// 获取写出器
IWriteHelper helperObj = GetHelperObj(byMsgType);
if (helperObj == null)
{
// 如果写出器为空,
// 则需要构建!
lock (byMsgType)
{
// 注意: 在这里进行二次验证
helperObj = GetHelperObj(byMsgType);
if (helperObj == null)
{
// 构建帮助器类定义
System.Type helperType = BuildHelperType(byMsgType);
// 创建对象实例
helperObj = (IWriteHelper)Activator.CreateInstance(helperType);
// 添加到帮助器字典
PutHelperObj(byMsgType, helperObj);
}
}
}
return(helperObj);
}
/// <summary>
/// 保存帮助器到字典
/// </summary>
/// <param name="byMsgType"></param>
/// <param name="helperObj"></param>
private static void PutHelperObj(System.Type byMsgType, IWriteHelper helperObj)
{
// 断言参数不为空
Assert.NotNull(byMsgType, "byMsgType");
Assert.NotNull(helperObj, "helperObj");
// 保存帮助器到字典
_helperObjDict[byMsgType] = helperObj;
}
public ConsoleWriter(IWriteHelper consoleWriteHelper = null)
{
ConsoleWriteHelper = consoleWriteHelper ?? new ConsoleWriteHelper();
var displayInformation = ReadInConfigFile();
if (!displayInformation.IsConsole)
{
throw new NotImplementedException();
}
_writeToConsole = true;
}
// @Override
public override void WriteTo(BinaryWriter bw)
{
if (bw == null)
{
// 如果参数对象为空,
// 则直接退出!
return;
}
IWriteHelper helperObj = WriteHelperMaker.Make(this.GetType());
if (helperObj != null)
{
// 如果帮助器不为空,
// 则写出消息对象!
helperObj.WriteMsgObjTo(this, bw);
}
}