1 // NAnt - A .NET build tool
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2 // Copyright (C) 2001 Gerry Shaw
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4 // This program is free software; you can redistribute it and/or modify
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5 // it under the terms of the GNU General Public License as published by
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6 // the Free Software Foundation; either version 2 of the License, or
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7 // (at your option) any later version.
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9 // This program is distributed in the hope that it will be useful,
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10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 // GNU General Public License for more details.
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14 // You should have received a copy of the GNU General Public License
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15 // along with this program; if not, write to the Free Software
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16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 // Gerry Shaw (gerry_shaw@yahoo.com)
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20 namespace SourceForge.NAnt {
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23 using System.Reflection;
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25 /// <summary>Indicates that field should be able to be converted into a Boolean.</summary>
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26 [AttributeUsage(AttributeTargets.Field, Inherited=true)]
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27 public class BooleanValidatorAttribute : ValidatorAttribute {
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29 public BooleanValidatorAttribute() {
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32 public override string Validate(object value) {
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33 string errorMessage = null;
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35 Convert.ToBoolean(value);
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36 } catch (Exception) {
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37 errorMessage = String.Format("Cannot resolve to '{0}' to Boolean value.", value.ToString());
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39 return errorMessage;
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