//===============================================================================
// Microsoft patterns & practices Enterprise Library
// Core
//===============================================================================
// Copyright © Microsoft Corporation.  All rights reserved.
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE.
//===============================================================================

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Practices.EnterpriseLibrary.Configuration.Design.Properties;
using Microsoft.Practices.EnterpriseLibrary.Configuration.Design.Validation;
using Microsoft.Practices.EnterpriseLibrary.Logging;

namespace Microsoft.Practices.EnterpriseLibrary.Configuration.Design.ViewModel.BlockSpecifics.Logging
{
#pragma warning disable 1591
    /// <summary>
    /// This class supports block-specific configuration design-time and is not
    /// intended to be used directly from your code.
    /// </summary>
    public class LogFormatterValidator : PropertyValidator
    {
        protected override void ValidateCore(Property property, string value, IList<ValidationResult> results)
        {
            if (!string.IsNullOrEmpty(value))
            {
                Type interestedType = Type.GetType(value);

                if (interestedType == null
                    || !interestedType.IsSubclassOf(typeof(Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionFormatter)))
                {
                    results.Add(
                        new PropertyValidationResult(property,
                            Resources.ValidationLogFormatterInvalidExceptionFormatter,
                            false
                            ));
                }
            }
        }
    }
#pragma warning restore 1591
}
