Return true> if the specified property name identifies a writeable property on the specified object; : PropertyInfo « Reflection « C# / C Sharp

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

Return true> if the specified property name identifies a writeable property on the specified object;

    
        
#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>
        ///  Return <b>true</b> if the specified property name identifies a 
        /// writeable property on the specified object; 
        /// otherwise, return <b>false</b>.
        /// </summary>
        /// <param name="obj"></param>
        /// <param name="propertyName"></param>
        /// <param name="ignoreCase">ignore case sensitivity</param>
        /// <returns></returns>
        /// <exception cref="ArgumentNullException">If obj parameter is null</exception>
        /// <exception cref="ArgumentException">if the propertyName supplied 
        /// cannot be found in the object</exception>
        /// ----------------------------------------------------------------
        public static bool IsWritable(Object obj, string propertyName, bool ignoreCase)
        {
            if (obj == null) throw new ArgumentNullException("obj");

            BindingFlags bindingAttrs = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public;

            bindingAttrs = (ignoreCase) ? bindingAttrs | BindingFlags.IgnoreCase : bindingAttrs;

            PropertyInfo pi = obj.GetType().GetProperty(propertyName,bindingAttrs);                                                

            if (pi == null)
                throw new ArgumentException(string.Format("The '{0}' object does not have a '{1}' property", obj.GetType().FullName, propertyName));

            return pi.CanWrite;
        }
    }
}

   
    
    
    
  

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