53 lines
1.6 KiB
C#
53 lines
1.6 KiB
C#
using System;
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namespace Yavsc.Attributes.Validation
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{
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public partial class YaStringLength: YaValidationAttribute
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{
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public long MinimumLength { get; set; } = 0;
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private readonly long maxLen;
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public YaStringLength(long maxLen) : base( ()=> "BadStringLength")
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{
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this.maxLen = maxLen;
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UseDefaultErrorMessage();
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}
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public YaStringLength(long minLen, long maxLen) : base( ()=> "BadStringLength")
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{
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this.maxLen = maxLen;
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this.MinimumLength=minLen;
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UseDefaultErrorMessage();
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}
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void UseDefaultErrorMessage()
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{
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if (ErrorMessageResourceType==null) {
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ErrorMessageResourceType = typeof(Yavsc.Attributes.Validation.Resources);
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ErrorMessageResourceName = "InvalidStringLength";
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}
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}
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public override bool IsValid(object value) {
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string stringValue = value as string;
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if (stringValue==null) return MinimumLength <= 0;
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if (MinimumLength>=0)
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{
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if (stringValue.Length< MinimumLength) {
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return false;
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}
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}
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if (maxLen>=0)
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{
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if (stringValue.Length>maxLen) {
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return false;
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}
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}
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return true;
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}
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public override string FormatErrorMessage(string name)
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{
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var temp = base.FormatErrorMessage(name);
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return string.Format(temp, MinimumLength, maxLen);
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}
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}
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}
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