Mega Code Archive
Set the specified public field value of an object
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#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>
/// Set the specified <b>public</b> field value of an object
/// </summary>
/// <param name="vo">the Value Object on which setting is to be performed</param>
/// <param name="fieldName">Field name</param>
/// <param name="fieldValue">Value to be set</param>
/// ------------------------------------------------------------------------
public static object SetField(object vo, string fieldName, Object fieldValue)
{
if (vo == null)
throw new System.ArgumentNullException("No object specified to set.");
if (fieldName == null)
throw new System.ArgumentNullException("No field name specified.");
if ((fieldName == String.Empty) || (fieldName.Length < 1))
throw new System.ArgumentException("Field name cannot be empty.");
FieldInfo fieldInfo = vo.GetType().GetField(fieldName);
if (fieldInfo == null)
throw new System.ArgumentException("The class '" + vo.GetType().Name + "' does not have the field '"+ fieldName + "'");
// Set the value
vo.GetType().InvokeMember(fieldInfo.Name,
BindingFlags.SetField,
null,
vo,
new object[]{fieldValue});
return vo;
}
}
}
]]>