//
// System.Configuration.IntegerValidator.cs
//
// Authors:
//	Chris Toshok (toshok@ximian.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//

#if NET_2_0
using System;
using System.IO;

namespace System.Configuration {
	public class IntegerValidator : ConfigurationValidatorBase
	{
		bool rangeIsExclusive;
		int minValue;
		int maxValue;
		int resolution;

		public IntegerValidator (int minValue, int maxValue, bool rangeIsExclusive, int resolution)
		{
			this.minValue = minValue;
			this.maxValue = maxValue;
			this.rangeIsExclusive = rangeIsExclusive;
			this.resolution = resolution;
		}

		public IntegerValidator (int minValue, int maxValue, bool rangeIsExclusive)
			: this (minValue, maxValue, rangeIsExclusive, 0)
		{
		}

		public IntegerValidator (int minValue, int maxValue)
			: this (minValue, maxValue, false, 0)
		{
		}

		public override bool CanValidate (Type type)
		{
			return type == typeof (int);
		}

		public override void Validate (object value)
		{
			int l = (int) value;

			if (!rangeIsExclusive) {
				if (l < minValue || l > maxValue)
					throw new ArgumentException ("The value must be in the range " + minValue + " - " + maxValue);
			} else {
				if (l >= minValue && l <= maxValue)
					throw new ArgumentException ("The value must not be in the range " + minValue + " - " + maxValue);
			}
			if (resolution != 0 && l % resolution != 0)
				throw new ArgumentException ("The value must have a resolution of " + resolution);
		}
	}
}

#endif