_Core/Validation/Validation.cs

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/*
 * Author: Kishore Reddy
 * Url: http://commonlibrarynet.codeplex.com/
 * Title: CommonLibrary.NET
 * Copyright: � 2009 Kishore Reddy
 * License: LGPL License
 * LicenseUrl: http://commonlibrarynet.codeplex.com/license
 * Description: A C# based .NET 3.5 Open-Source collection of reusable components.
 * Usage: Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;



namespace ComLib
{
    /// <summary>
    /// This class provides validation utility methods.
    /// </summary>
    public static partial class Validation
    {
        #region IValidatorBasic Members
        /// <summary>
        /// Determine if string is valid with regard to minimum / maximum length.
        /// </summary>
        /// <param name="text">Text to check length of.</param>
        /// <param name="allowNull">Indicate whether or not to allow null.</param>
        /// <param name="checkMaxLength">Indicate whether to check min length.</param>
        /// <param name="checkMinLength">Indicate whether to check max length.</param>
        /// <param name="minLength">-1 to not check min length, > 0 to represent min length.</param>
        /// <param name="maxLength">-1 to not check max length, > 0 to represent max length.</param>
        /// <returns>True if match based on parameter conditions, false otherwise.</returns>
        public static bool IsStringLengthMatch(string text, bool allowNull, bool checkMinLength, bool checkMaxLength, int minLength, int maxLength)
        {
            if (string.IsNullOrEmpty(text))
                return allowNull;

            // Check bounds . -1 value for min/max indicates not to check.
            if (checkMinLength && minLength > 0 && text.Length < minLength)
                return false;
            if (checkMaxLength && maxLength > 0 && text.Length > maxLength)
                return false;

            return true;
        }


        /// <summary>
        /// Check if the integer value is between the min/max sizes.
        /// </summary>
        /// <param name="val">The value to check.</param>
        /// <param name="checkMinLength">True to check for the minimum bound.</param>