Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Configuration/System/Configuration/StringValidatorAttribute.cs

@@ -0,0 +1,73 @@
+//------------------------------------------------------------------------------
+// <copyright file="StringValidatorAttribute.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Configuration.Internal;
+using System.Collections;
+using System.Collections.Specialized;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using System.Security.Permissions;
+using System.Xml;
+using System.Globalization;
+using System.ComponentModel;
+using System.Security;
+using System.Text;
+
+namespace System.Configuration {
+
+    [AttributeUsage(AttributeTargets.Property)]
+    public sealed class StringValidatorAttribute : ConfigurationValidatorAttribute {
+        private int _minLength = 0;
+        private int _maxLength = int.MaxValue;
+        private string _invalidChars;
+
+        public StringValidatorAttribute() {
+        }
+
+        public override ConfigurationValidatorBase ValidatorInstance {
+            get {
+                return new StringValidator(_minLength, _maxLength, _invalidChars);
+            }
+        }
+
+        public int MinLength {
+            get {
+                return _minLength;
+            }
+            set {
+                if (_maxLength < value) {
+                    throw new ArgumentOutOfRangeException("value", SR.GetString(SR.Validator_min_greater_than_max));
+                }
+
+                _minLength = value;
+            }
+        }
+
+        public int MaxLength {
+            get {
+                return _maxLength;
+            }
+            set {
+                if (_minLength > value) {
+                    throw new ArgumentOutOfRangeException("value", SR.GetString(SR.Validator_min_greater_than_max));
+                }
+
+                _maxLength = value;
+            }
+        }
+
+        public string InvalidCharacters {
+            get {
+                return _invalidChars;
+            }
+            set {
+                _invalidChars = value;
+            }
+        }
+    }
+}