| #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 System.Collections; |
| |
| using log4net.Core; |
| using log4net.Repository; |
| |
| namespace log4net.Layout.Pattern |
| { |
| /// <summary> |
| /// Property pattern converter |
| /// </summary> |
| /// <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> |
| /// <author>Nicko Cadell</author> |
| internal sealed class PropertyPatternConverter : PatternLayoutConverter |
| { |
| /// <summary> |
| /// Write the property value to the output |
| /// </summary> |
| /// <param name="writer"><see cref="TextWriter" /> that will receive the formatted result.</param> |
| /// <param name="loggingEvent">the event being logged</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> |
| protected override void Convert(TextWriter writer, LoggingEvent loggingEvent) |
| { |
| if (Option != null) |
| { |
| // Write the value for the specified key |
| WriteObject(writer, loggingEvent.Repository, loggingEvent.LookupProperty(Option)); |
| } |
| else |
| { |
| // Write all the key value pairs |
| WriteDictionary(writer, loggingEvent.Repository, loggingEvent.GetProperties()); |
| } |
| } |
| } |
| } |