| #region Apache License |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to you 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 |
| |
| // .NET Compact Framework 1.0 has no support for application .config files |
| #if !NETCF |
| |
| using System; |
| using System.Text; |
| using System.IO; |
| using System.Collections; |
| |
| using log4net.Core; |
| using log4net.Util; |
| using log4net.Repository; |
| |
| namespace log4net.Util.PatternStringConverters |
| { |
| /// <summary> |
| /// AppSetting pattern converter |
| /// </summary> |
| /// <remarks> |
| /// <para> |
| /// This pattern converter reads appSettings from the application configuration file. |
| /// </para> |
| /// <para> |
| /// If the <see cref="PatternConverter.Option"/> is specified then that will be used to |
| /// lookup a single appSettings value. If no <see cref="PatternConverter.Option"/> is specified |
| /// then all appSettings will be dumped as a list of key value pairs. |
| /// </para> |
| /// <para> |
| /// A typical use is to specify a base directory for log files, e.g. |
| /// <example> |
| /// <![CDATA[ |
| /// <log4net> |
| /// <appender name="MyAppender" type="log4net.Appender.RollingFileAppender"> |
| /// <file type="log4net.Util.PatternString" value="appsetting{LogDirectory}MyApp.log"/> |
| /// ... |
| /// </appender> |
| /// </log4net> |
| /// ]]> |
| /// </example> |
| /// </para> |
| /// </remarks> |
| internal sealed class AppSettingPatternConverter : PatternConverter |
| { |
| private static IDictionary AppSettingsDictionary |
| { |
| get |
| { |
| if (_appSettingsHashTable == null) |
| { |
| Hashtable h = new Hashtable(); |
| foreach(string key in System.Configuration.ConfigurationManager.AppSettings) |
| { |
| h.Add(key, System.Configuration.ConfigurationManager.AppSettings[key]); |
| } |
| _appSettingsHashTable = h; |
| } |
| return _appSettingsHashTable; |
| } |
| |
| } |
| private static Hashtable _appSettingsHashTable; |
| |
| /// <summary> |
| /// Write the property value to the output |
| /// </summary> |
| /// <param name="writer"><see cref="TextWriter" /> that will receive the formatted result.</param> |
| /// <param name="state">null, state is not set</param> |
| /// <remarks> |
| /// <para> |
| /// Writes out the value of a named property. The property name |
| /// should be set in the <see cref="log4net.Util.PatternConverter.Option"/> |
| /// property. |
| /// </para> |
| /// <para> |
| /// If the <see cref="log4net.Util.PatternConverter.Option"/> is set to <c>null</c> |
| /// then all the properties are written as key value pairs. |
| /// </para> |
| /// </remarks> |
| override protected void Convert(TextWriter writer, object state) |
| { |
| |
| if (Option != null) |
| { |
| // Write the value for the specified key |
| WriteObject(writer, null, System.Configuration.ConfigurationManager.AppSettings[Option]); |
| } |
| else |
| { |
| // Write all the key value pairs |
| WriteDictionary(writer, null, AppSettingsDictionary); |
| } |
| } |
| } |
| } |
| #endif |