| #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 |
| |
| using System; |
| using System.Text; |
| using System.IO; |
| |
| using log4net.Util; |
| |
| namespace log4net.Util.PatternStringConverters |
| { |
| /// <summary> |
| /// Write the current threads username to the output |
| /// </summary> |
| /// <remarks> |
| /// <para> |
| /// Write the current threads username to the output writer |
| /// </para> |
| /// </remarks> |
| /// <author>Nicko Cadell</author> |
| internal sealed class UserNamePatternConverter : PatternConverter |
| { |
| /// <summary> |
| /// Write the current threads username to the output |
| /// </summary> |
| /// <param name="writer">the writer to write to</param> |
| /// <param name="state">null, state is not set</param> |
| /// <remarks> |
| /// <para> |
| /// Write the current threads username to the output <paramref name="writer"/>. |
| /// </para> |
| /// </remarks> |
| override protected void Convert(TextWriter writer, object state) |
| { |
| #if (NETCF || SSCLI || NETSTANDARD1_3) |
| // On compact framework there's no notion of current Windows user |
| writer.Write( SystemInfo.NotAvailableText ); |
| #else |
| try |
| { |
| System.Security.Principal.WindowsIdentity windowsIdentity = null; |
| windowsIdentity = System.Security.Principal.WindowsIdentity.GetCurrent(); |
| if (windowsIdentity != null && windowsIdentity.Name != null) |
| { |
| writer.Write( windowsIdentity.Name ); |
| } |
| } |
| catch(System.Security.SecurityException) |
| { |
| // This security exception will occur if the caller does not have |
| // some undefined set of SecurityPermission flags. |
| LogLog.Debug(declaringType, "Security exception while trying to get current windows identity. Error Ignored."); |
| |
| writer.Write( SystemInfo.NotAvailableText ); |
| } |
| #endif |
| } |
| |
| #region Private Static Fields |
| |
| /// <summary> |
| /// The fully qualified type of the UserNamePatternConverter class. |
| /// </summary> |
| /// <remarks> |
| /// Used by the internal logger to record the Type of the |
| /// log message. |
| /// </remarks> |
| private readonly static Type declaringType = typeof(UserNamePatternConverter); |
| |
| #endregion Private Static Fields |
| } |
| } |