#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;
using log4net.Util;
namespace log4net.Util.TypeConverters
{
///
/// Convert between string and
///
///
///
/// Supports conversion from string to type,
/// and from a type to a string.
///
///
/// The string is used as the
/// of the .
///
///
///
///
///
/// Nicko Cadell
internal class PatternStringConverter : IConvertTo, IConvertFrom
{
#region Implementation of IConvertTo
///
/// Can the target type be converted to the type supported by this object
///
/// A that represents the type you want to convert to
/// true if the conversion is possible
///
///
/// Returns true if the is
/// assignable from a type.
///
///
public bool CanConvertTo(Type targetType)
{
return (typeof(string).IsAssignableFrom(targetType));
}
///
/// Converts the given value object to the specified type, using the arguments
///
/// the object to convert
/// The Type to convert the value parameter to
/// the converted object
///
///
/// Uses the method to convert the
/// argument to a .
///
///
///
/// The object cannot be converted to the
/// . To check for this condition use the
/// method.
///
public object ConvertTo(object source, Type targetType)
{
PatternString patternString = source as PatternString;
if (patternString != null && CanConvertTo(targetType))
{
return patternString.Format();
}
throw ConversionNotSupportedException.Create(targetType, source);
}
#endregion
#region Implementation of IConvertFrom
///
/// Can the source type be converted to the type supported by this object
///
/// the type to convert
/// true if the conversion is possible
///
///
/// Returns true if the is
/// the type.
///
///
public bool CanConvertFrom(System.Type sourceType)
{
return (sourceType == typeof(string));
}
///
/// Overrides the ConvertFrom method of IConvertFrom.
///
/// the object to convert to a PatternString
/// the PatternString
///
///
/// Creates and returns a new using
/// the as the
/// .
///
///
///
/// The object cannot be converted to the
/// target type. To check for this condition use the
/// method.
///
public object ConvertFrom(object source)
{
string str = source as string;
if (str != null)
{
return new PatternString(str);
}
throw ConversionNotSupportedException.Create(typeof(PatternString), source);
}
#endregion
}
}