nicko 2005/02/03 19:05:44
Modified: src/Util/TypeConverters ConverterRegistry.cs
Added: src/Util/TypeConverters IPAddressConverter.cs
Log:
Added IPAddressConverter that converts string IP addresses or DNS Hostnames
into IPAddress objects
Revision Changes Path
1.10 +1 -0
logging-log4net/src/Util/TypeConverters/ConverterRegistry.cs
Index: ConverterRegistry.cs
===================================================================
RCS file:
/home/cvs/logging-log4net/src/Util/TypeConverters/ConverterRegistry.cs,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -r1.9 -r1.10
--- ConverterRegistry.cs 17 Jan 2005 20:18:50 -0000 1.9
+++ ConverterRegistry.cs 4 Feb 2005 03:05:44 -0000 1.10
@@ -75,6 +75,7 @@
AddConverter(typeof(System.Type),
typeof(TypeConverter));
AddConverter(typeof(log4net.Layout.PatternLayout),
typeof(PatternLayoutConverter));
AddConverter(typeof(log4net.Util.PatternString),
typeof(PatternStringConverter));
+ AddConverter(typeof(System.Net.IPAddress),
typeof(IPAddressConverter));
}
#endregion Static Constructor
1.1
logging-log4net/src/Util/TypeConverters/IPAddressConverter.cs
Index: IPAddressConverter.cs
===================================================================
#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.Net;
namespace log4net.Util.TypeConverters
{
/// <summary>
/// Supports conversion from string to <see cref="IPAddress"/> type.
/// </summary>
/// <remarks>
/// <para>
/// Supports conversion from string to <see cref="IPAddress"/> type.
/// </para>
/// </remarks>
/// <seealso cref="ConverterRegistry"/>
/// <seealso cref="IConvertFrom"/>
/// <author>Nicko Cadell</author>
public class IPAddressConverter : 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
IPAddress</param>
/// <returns>the IPAddress</returns>
/// <remarks>
/// <para>
/// Uses the <see cref="IPAddress.Parse"/> method to convert the
/// <see cref="String"/> argument to an <see cref="IPAddress"/>.
/// If that fails then the string is resolved as a DNS hostname.
/// </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)
{
try
{
try
{
return IPAddress.Parse(str);
}
catch(FormatException)
{
// Ignore a FormatException,
try to resolve via DNS
}
IPHostEntry host =
Dns.GetHostByName(str);
if (host != null &&
host.AddressList != null &&
host.AddressList.Length > 0 &&
host.AddressList[0] != null)
{
return host.AddressList[0];
}
}
catch(Exception ex)
{
throw
ConversionNotSupportedException.Create(typeof(IPAddress), source, ex);
}
}
throw
ConversionNotSupportedException.Create(typeof(IPAddress), source);
}
#endregion
}
}
