Activator Utils : Assembly « Reflection « C# / C Sharp






Activator Utils

        
// SLF.NET - Simple Logging Faade for .NET
// Contact and Information: http://slf.codeplex.com
//
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// notice is not being removed.
// 
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// 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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using System;

namespace Slf
{
    /// <summary>
    /// Provides helper methods that supplement the 
    /// <see cref="System.Activator"/>.
    /// </summary>
    internal static class ActivatorUtils
    {
        /// <summary>
        /// Instantiates an object of the given type.
        /// </summary>
        /// <typeparam name="T">The type being instantiated</typeparam>
        /// <param name="typeName">The full type name</param>
        /// <param name="logger">A logger which is used to log any
        /// problems which occur in the instantiation process.</param>
        /// <returns></returns>
        internal static T Instantiate<T>(string typeName)
        {
            Type typeToInstantiate = Type.GetType(typeName);

            // check that the type can be located
            if (typeToInstantiate == null)
            {
                return default(T);
            }

            // create instance of the given type
            object instantiatedInstance;
            try
            {
                instantiatedInstance = Activator.CreateInstance(typeToInstantiate);
            }
            catch (Exception e)
            {
                return default(T);
            }

            // make sure we do infact have an item of the correct type
            T instantiatedType = default(T);
            try
            {
                instantiatedType = (T)instantiatedInstance;
            }
            catch (InvalidCastException)
            {
            }

            return instantiatedType;
        }
    }
}

   
    
    
    
    
    
    
    
  








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