#region Apache License
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//
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// Licensed to the Apache Software Foundation (ASF) under one or more
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// contributor license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright ownership.
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// The ASF licenses this file to you under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance with
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// the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#endregion
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using System;
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using System.Text;
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using System.IO;
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using log4net.Core;
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using log4net.Util;
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using log4net.DateFormatter;
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namespace log4net.Layout.Pattern
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{
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/// <summary>
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/// Write the TimeStamp to the output
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/// </summary>
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/// <remarks>
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/// <para>
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/// Date pattern converter, uses a <see cref="IDateFormatter"/> to format
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/// the date of a <see cref="LoggingEvent"/>.
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/// </para>
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/// <para>
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/// Uses a <see cref="IDateFormatter"/> to format the <see cref="LoggingEvent.TimeStamp"/>
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/// in Universal time.
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/// </para>
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/// <para>
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/// See the <see cref="DatePatternConverter"/> for details on the date pattern syntax.
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/// </para>
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/// </remarks>
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/// <seealso cref="DatePatternConverter"/>
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/// <author>Nicko Cadell</author>
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internal class UtcDatePatternConverter : DatePatternConverter
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{
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/// <summary>
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/// Write the TimeStamp to the output
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/// </summary>
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/// <param name="writer"><see cref="TextWriter" /> that will receive the formatted result.</param>
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/// <param name="loggingEvent">the event being logged</param>
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/// <remarks>
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/// <para>
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/// Pass the <see cref="LoggingEvent.TimeStamp"/> to the <see cref="IDateFormatter"/>
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/// for it to render it to the writer.
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/// </para>
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/// <para>
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/// The <see cref="LoggingEvent.TimeStamp"/> passed is in the local time zone, this is converted
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/// to Universal time before it is rendered.
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/// </para>
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/// </remarks>
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/// <seealso cref="DatePatternConverter"/>
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override protected void Convert(TextWriter writer, LoggingEvent loggingEvent)
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{
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try
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{
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m_dateFormatter.FormatDate(loggingEvent.TimeStamp.ToUniversalTime(), writer);
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}
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catch (Exception ex)
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{
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LogLog.Error(declaringType, "Error occurred while converting date.", ex);
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}
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}
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#region Private Static Fields
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/// <summary>
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/// The fully qualified type of the UtcDatePatternConverter class.
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/// </summary>
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/// <remarks>
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/// Used by the internal logger to record the Type of the
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/// log message.
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/// </remarks>
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private readonly static Type declaringType = typeof(UtcDatePatternConverter);
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#endregion Private Static Fields
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}
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}
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