/// <summary>
/// 获得默认的字符串加密、解密对象。在Web.config的AppSetting中通过site.security.encryption.provider指定类的全名。
/// </summary>
/// <returns>AbstractStringEncryptor对象实例。可能有异常发生。</returns>
public static AbstractStringEncryptor GetDefaultEncryptor()
{
Conf conf = Conf.CreateFromWebConfig();
string type = conf.get("site.security.encryption.provider") as string;
if (string.IsNullOrEmpty(type))
{
type = "Helper.DES";
// log ...
AbstractLogger.GetLogger(typeof(AbstractStringEncryptor)).Warn("未配置site.security.encryption.provider，将使用“Helper.DES”类作为字符串加密、解密工具。");
}
return(GetEncryptor(type));
}
/// <summary>
/// 获得实现AbstractLogger的类的实例，类的名称在Web.config中指定（默认返回Helper.FileLogger的实例）。此类必须在Helper命名空间下，可以参考Helper.FileLogger。
/// </summary>
/// <param name="tLogFor">为其提供Logging服务的Type，一般是某个页面的this.GetType()</param>
/// <param name="strClassFullName">实现AbstractLogger的类的全名</param>
/// <returns>成功时返回Logger实例，否则null。可能有异常抛出。</returns>
public static AbstractLogger GetLogger(Type typeLogFor, string strLoggerClassFullName)
{
AbstractLogger _l = null;
lock (_htInstances)
{
if (_htInstances.ContainsKey(typeLogFor.FullName))
{
_l = _htInstances[typeLogFor.FullName] as AbstractLogger;
_l.TypeLogFor = typeLogFor;
return(_l);
}
return((_htInstances[typeLogFor.FullName] = Activator.CreateInstance(Type.GetType(strLoggerClassFullName, true), new object[] { typeLogFor }))
as AbstractLogger);
}
}
/// <summary>
/// 以DEBUG级别将信息输出到文件日志
/// </summary>
/// <param name="strMsg">要输出的信息</param>
/// <param name="req">当前的请求对象，可以为null</param>
public static void LogError(string strMsg, HttpContext context)
{
try
{
// get the default FileLogger instance
AbstractLogger logger = AbstractLogger.GetLogger(typeof(Function));
if (logger == null)
{
return;
}
logger.Error(
string.Format("[{0}] by [{1}]\r\n{2}\r\n",
context == null ? "N/A" : context.Request.RawUrl,
context == null ? "N/A" : context.Request.UserHostAddress,
strMsg));
}
catch (Exception ex)
{
System.Diagnostics.Debug.Assert(false, ex.Message);
}
}