Set the value of a property that has been declared as an Enum type using reflection : PropertyInfo « Reflection « C# / C Sharp

1. C# / C Sharp
2. Reflection
3. PropertyInfo

Set the value of a property that has been declared as an Enum type using reflection

    

#region License and Copyright
/*
 * Dotnet Commons Reflection 
 *
 * Copyright  2005. EDWARD LIM
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
 * for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this library; if not, write to the 
 * Free Software Foundation, Inc., 
 * 59 Temple Place, 
 * Suite 330, 
 * Boston, 
 * MA 02111-1307 
 * USA 
 * 
 */
#endregion

using System;
using System.Collections;
using System.Collections.Specialized;
using System.Reflection;

//using Dotnet.Commons.Lang;


namespace Dotnet.Commons.Reflection
{
  ///  
  /// <summary>
  /// This class contains utility methods that perform operations on object properties. 
  /// </summary>
  /// 
  /// <remarks> 
  ///  Copyright 2006 by Edward Lim.
  /// All rights reserved.
  /// </remarks>
  /// 
  public sealed class PropertyUtils
  {
    private PropertyUtils()  {}



    ///  --------------------------------------------------------------------
    /// <summary>
    /// Set the value of a property that has been declared as an Enum type using reflection
    /// </summary>
    /// <param name="targetObj">target object in which property is to be set</param>
    /// <param name="propertyName">name of the property</param>
    /// <param name="propertyValue">value of the object to be set</param>
    /// <param name="ignoreCase">ignore case sensitivity</param>
    /// <returns>null if target object or is null, else target object with property set if property if found</returns>
    /// <exception cref="ArgumentException">if the propertyName is null or empty</exception>    
    ///  --------------------------------------------------------------------
    public static object SetEnumTypeProperty(object targetObj, string propertyName, object propertyValue, bool ignoreCase)
    {
      if (targetObj == null)      
        return null;

      if ((propertyName == null) || (propertyName.Length < 1))
      {
        throw new ArgumentException("propertyName cannot be null or empty.");
      }

      if (propertyValue == null)
        return targetObj;
      
      PropertyInfo propInfo = targetObj.GetType().GetProperty(propertyName);

      if (propInfo == null)
        return targetObj;


      if (!propInfo.PropertyType.IsEnum)
        throw new ArgumentException("property " + propertyName + " is not an Enum type");

      if (propertyValue is String)
        propertyValue = Enum.Parse(propInfo.PropertyType, (string) propertyValue, ignoreCase);
      
      propInfo.SetValue(targetObj, Enum.ToObject(propInfo.PropertyType, Convert.ToUInt64(propertyValue)), null);

      return targetObj;
    }
    }
}

   
    
    
    
  

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