#region Copyright & License // // Copyright 2001-2005 The Apache Software Foundation // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // 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. // #endregion using System; using System.Text; namespace Pegasus.Log4Net.Util.TypeConverters { /// <summary> /// Supports conversion from string to <see cref="Encoding"/> type. /// </summary> /// <remarks> /// <para> /// Supports conversion from string to <see cref="Encoding"/> type. /// </para> /// </remarks> /// <seealso cref="ConverterRegistry"/> /// <seealso cref="IConvertFrom"/> /// <seealso cref="IConvertTo"/> /// <author>Nicko Cadell</author> /// <author>Gert Driesen</author> internal class EncodingConverter : IConvertFrom { #region Implementation of IConvertFrom /// <summary> /// Can the source type be converted to the type supported by this object /// </summary> /// <param name="sourceType">the type to convert</param> /// <returns>true if the conversion is possible</returns> /// <remarks> /// <para> /// Returns <c>true</c> if the <paramref name="sourceType"/> is /// the <see cref="String"/> type. /// </para> /// </remarks> public bool CanConvertFrom(Type sourceType) { return (sourceType == typeof(string)); } /// <summary> /// Overrides the ConvertFrom method of IConvertFrom. /// </summary> /// <param name="source">the object to convert to an encoding</param> /// <returns>the encoding</returns> /// <remarks> /// <para> /// Uses the <see cref="Encoding.GetEncoding(string)"/> method to /// convert the <see cref="String"/> argument to an <see cref="Encoding"/>. /// </para> /// </remarks> /// <exception cref="ConversionNotSupportedException"> /// The <paramref name="source"/> object cannot be converted to the /// target type. To check for this condition use the <see cref="CanConvertFrom"/> /// method. /// </exception> public object ConvertFrom(object source) { string str = source as string; if (str != null) { return Encoding.GetEncoding(str); } throw ConversionNotSupportedException.Create(typeof(Encoding), source); } #endregion } }
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