53 lines
1.2 KiB
C#
53 lines
1.2 KiB
C#
/*
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* Copyright (c) 2024 ETH Zürich, IT Services
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System.IO;
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using System.Text;
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using SafeExamBrowser.Logging.Contracts;
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namespace SafeExamBrowser.Logging
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{
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/// <summary>
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/// <see cref="ILogObserver"/> which immediately saves new log content to disk.
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/// </summary>
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public class LogFileWriter : ILogObserver
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{
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private readonly object @lock = new object();
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private readonly string filePath;
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private readonly ILogContentFormatter formatter;
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public LogFileWriter(ILogContentFormatter formatter, string filePath)
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{
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this.filePath = filePath;
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this.formatter = formatter;
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}
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public void Initialize()
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{
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var directory = Path.GetDirectoryName(filePath);
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if (!Directory.Exists(directory))
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{
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Directory.CreateDirectory(directory);
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}
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}
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public void Notify(ILogContent content)
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{
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lock (@lock)
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{
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var raw = formatter.Format(content);
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using (var stream = new StreamWriter(filePath, true, Encoding.UTF8))
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{
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stream.WriteLine(raw);
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}
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}
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}
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}
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}
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