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 Int32 within the given range.</summary>
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26 [AttributeUsage(AttributeTargets.Field, Inherited=true)]
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27 public class Int32ValidatorAttribute : ValidatorAttribute {
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29 int _minValue = Int32.MinValue;
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30 int _maxValue = Int32.MaxValue;
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32 public Int32ValidatorAttribute() {
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35 public Int32ValidatorAttribute(int minValue, int maxValue) {
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36 MinValue = minValue;
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37 MaxValue = maxValue;
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40 public int MinValue {
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41 get { return _minValue; }
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42 set { _minValue = value; }
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45 public int MaxValue {
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46 get { return _maxValue; }
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47 set { _maxValue = value; }
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50 public override string Validate(object value) {
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51 string errorMessage = null;
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53 Int32 intValue = Convert.ToInt32(value);
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54 if (intValue < MinValue || intValue > MaxValue) {
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55 errorMessage = String.Format("Cannot resolve '{0}' to integer between '{1}' and '{2}'.", value.ToString(), MinValue, MaxValue);
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57 } catch (Exception) {
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58 errorMessage = String.Format("Cannot resolve '{0}' to integer value.", value.ToString());
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60 return errorMessage;
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