78 lines
2.3 KiB
C#
78 lines
2.3 KiB
C#
//
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// System.Configuration.AppSettingsReader
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//
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// Authors:
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// Gonzalo Paniagua Javier (gonzalo@ximian.com)
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//
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// (C) 2002 Ximian, Inc (http://www.ximian.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Reflection;
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using System.Collections.Specialized;
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#pragma warning disable 618
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namespace System.Configuration
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{
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public class AppSettingsReader
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{
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NameValueCollection appSettings;
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public AppSettingsReader ()
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{
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appSettings = ConfigurationSettings.AppSettings;
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}
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public object GetValue (string key, Type type)
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{
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if (key == null)
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throw new ArgumentNullException ("key");
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if (type == null)
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throw new ArgumentNullException ("type");
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string value = appSettings [key];
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if (value == null)
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throw new InvalidOperationException ("'" + key + "' could not be found.");
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if (type == typeof (string))
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return value;
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MethodInfo parse = type.GetMethod ("Parse", new Type [] {typeof (string)});
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if (parse == null)
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throw new InvalidOperationException ("Type " + type + " does not have a Parse method");
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object result = null;
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try {
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result = parse.Invoke (null, new object [] {value});
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} catch (Exception e) {
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throw new InvalidOperationException ("Parse error.", e);
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}
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return result;
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}
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}
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}
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