Microsoft Enterprise Library 6.0 之 Exception 企业库异常处理

static void Main(string[] args)
{
    TestException();
}        

private static void TestException()
{
    bool hasFormatException = false;
    bool hasNullReferenceException = false;
    bool hasFileNotFoundException = false;
    bool hasTimeoutException = false;
            
    //Enterprise Lib 5.0
    //ExceptionManager em = EnterpriseLibraryContainer.Current.GetInstance<ExceptionManager>();

    //Enterprise Lib 6.0
    Logger.SetLogWriter(new LogWriterFactory().Create());
    IConfigurationSource config = ConfigurationSourceFactory.Create();
    ExceptionPolicyFactory factory = new ExceptionPolicyFactory(config);
    ExceptionManager em = factory.CreateManager();

    //FormatException异常捕获设置为None,将不会被抛出
    try
    {
        em.Process(NotThrowException, "Policy");
    }
    catch (FormatException)
    {
        hasFormatException = true;
        Console.WriteLine("捕获到FormatExceptio异常!");
    }
    if (hasFormatException == false)
    {
        Console.WriteLine("未捕获到FormatExceptio异常!");
    }

    //NullReferenceException异常捕获设置为NotifyThrow,将会被抛出
    try
    {
        em.Process(NotifyThrowException, "Policy");
    }
    catch (NullReferenceException)
    {
        hasNullReferenceException = true;
        Console.WriteLine("捕获到NullReferenceException异常!");
    }

    if (hasNullReferenceException == false)
    {
        Console.WriteLine("未捕获到NullReferenceException异常!");
    }

    //FileNotFoundException异常捕获设置为ThrowNewException,将会被抛出
    try
    {
        em.Process(ThrowNewException, "Policy");
    }
    catch (FileNotFoundException)
    {
        hasFileNotFoundException = true;
        Console.WriteLine("捕获到FileNotFoundException异常!");
    }
    catch (TimeoutException)
    {
        hasTimeoutException = true;
        Console.WriteLine("捕获到TimeoutException异常!");
    }

    if (hasFileNotFoundException == false)
    {
        Console.WriteLine("未捕获到FileNotFoundException异常!");
    }
    if (hasTimeoutException == false)
    {
        Console.WriteLine("未捕获到TimeoutException异常!");
    }
    Console.ReadLine();
}

private static void NotThrowException()
{
    throw new FormatException();
}

private static void NotifyThrowException()
{
    throw new NullReferenceException();
}

private static void ThrowNewException()
{
    throw new FileNotFoundException();
}