2 // System.Configuration.NonEmptyStringConfigurationProperty.cs
5 // Lluis Sanchez Gual (lluis@novell.com)
7 // Permission is hereby granted, free of charge, to any person obtaining
8 // a copy of this software and associated documentation files (the
9 // "Software"), to deal in the Software without restriction, including
10 // without limitation the rights to use, copy, modify, merge, publish,
11 // distribute, sublicense, and/or sell copies of the Software, and to
12 // permit persons to whom the Software is furnished to do so, subject to
13 // the following conditions:
15 // The above copyright notice and this permission notice shall be
16 // included in all copies or substantial portions of the Software.
18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
32 namespace System.Configuration
34 public sealed class NonEmptyStringConfigurationProperty : ConfigurationProperty
36 NonEmptyStringFlags stringFlags;
38 public NonEmptyStringConfigurationProperty (string name, string defaultValue, ConfigurationPropertyOptions flags)
39 : base (name, typeof(string), defaultValue, flags)
43 public NonEmptyStringConfigurationProperty (string name, string defaultValue, ConfigurationPropertyOptions flags, NonEmptyStringFlags nonEmptyStringFlags)
44 : base (name, typeof(string), defaultValue, flags)
46 stringFlags = nonEmptyStringFlags;
49 protected internal override object ConvertFromString (string value)
54 protected internal override string ConvertToString (object value)
56 return Check (value as string);
59 string Check (string s)
61 if (s == string.Empty || s == null)
62 throw new ConfigurationException ("The property '" + Name + "' can't be empty");
64 if (stringFlags == NonEmptyStringFlags.TrimWhitespace)