Hishop.Components.Validation/Validators/StringLengthValidatorAttribute.cs

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namespace Hishop.Components.Validation.Validators
{
    using Hishop.Components.Validation;
    using System;

    [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
    public sealed class StringLengthValidatorAttribute : ValueValidatorAttribute
    {
        private int lowerBound;
        private RangeBoundaryType lowerBoundType;
        private int upperBound;
        private RangeBoundaryType upperBoundType;

        public StringLengthValidatorAttribute(int upperBound) : this(0, RangeBoundaryType.Ignore, upperBound, RangeBoundaryType.Inclusive)
        {
        }

        public StringLengthValidatorAttribute(int lowerBound, int upperBound) : this(lowerBound, RangeBoundaryType.Inclusive, upperBound, RangeBoundaryType.Inclusive)
        {
        }

        public StringLengthValidatorAttribute(int lowerBound, RangeBoundaryType lowerBoundType, int upperBound, RangeBoundaryType upperBoundType)
        {
            this.lowerBound = lowerBound;
            this.lowerBoundType = lowerBoundType;
            this.upperBound = upperBound;
            this.upperBoundType = upperBoundType;
        }

        protected override Validator DoCreateValidator(Type targetType)
        {
            return new StringLengthValidator(this.lowerBound, this.lowerBoundType, this.upperBound, this.upperBoundType, base.Negated);
        }
    }
}