Get a property value given its name : PropertyInfo « Reflection « C# / C Sharp

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

Get a property value given its name

    

#region License and Copyright
/*
 * Dotnet Commons Reflection
 *
 * 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.IO;
using System.Reflection;
using System.Runtime.Serialization.Formatters.Binary;
using System.Text;

namespace Dotnet.Commons.Reflection
{
  /// -----------------------------------------------------------------------
  /// <summary>  
  /// This utility class contains a rich sets of utility methods that perform operations 
  /// on objects during runtime such as copying of property and field values
  /// between 2 objects, deep cloning of objects, etc.  
  /// </summary>
  /// -----------------------------------------------------------------------
  public abstract class ObjectUtils
  {

    /// ------------------------------------------------------------------------
    /// <summary>
    /// Get a property value given its name
    /// </summary>
    /// <param name="srcObj">object to inspect</param>
    /// <param name="propertyName">Name of the property to retrieve the value from</param>
    /// <returns>property value</returns>
    /// ------------------------------------------------------------------------
    public static Object GetProperty(object srcObj, string propertyName)
    {

      PropertyInfo propInfoObj = srcObj.GetType().GetProperty(propertyName);

      if (propInfoObj == null)
        return null;

      // Get the value from property.
      object srcValue = srcObj
                .GetType()
                .InvokeMember(propInfoObj.Name,
                        BindingFlags.GetProperty,
                        null,
                        srcObj,
                        null);

      return srcValue;
    }

        /// <summary>
        /// Get a property value given its name. 
        /// </summary>
        /// <param name="srcObj">object to inspect</param>
        /// <param name="propertyName">Name of the property to retrieve the value from</param>
        /// <param name="ignoreCase">ignore case sensitivity with the supplied property name.</param>
        /// <returns>value of the Property request if found, <b>null</b> otherwise.</returns>
        /// <remarks>This method will get property in any scope, including public and non public,
        /// instance and static.</remarks>
        public static Object GetProperty(object srcObj, string propertyName, bool ignoreCase)
        {
            PropertyInfo propInfoObj;

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

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

            propInfoObj = srcObj.GetType().GetProperty(propertyName, bindingAttrs);
                        
            if (propInfoObj == null)
                return null;

            // Get the value from property.
            object srcValue = srcObj
                                .GetType()
                                .InvokeMember(propInfoObj.Name,
                                                BindingFlags.GetProperty,
                                                null,
                                                srcObj,
                                                null);

            return srcValue;
        }
    }
}

   
    
    
    
  

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