Restore SEBPatch

SafeExamBrowser.Logging/DefaultLogFormatter.cs

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+/*
+ * Copyright (c) 2024 ETH Zürich, IT Services
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+using System;
+using SafeExamBrowser.Logging.Contracts;
+
+namespace SafeExamBrowser.Logging
+{
+	/// <summary>
+	/// Default implementation of <see cref="ILogContentFormatter"/>.
+	/// </summary>
+	public class DefaultLogFormatter : ILogContentFormatter
+	{
+		public string Format(ILogContent content)
+		{
+			if (content is ILogText text)
+			{
+				return text.Text;
+			}
+
+			if (content is ILogMessage message)
+			{
+				return FormatLogMessage(message);
+			}
+
+			throw new NotImplementedException($"The default formatter is not yet implemented for log content of type {content.GetType()}!");
+		}
+
+		private string FormatLogMessage(ILogMessage message)
+		{
+			var date = message.DateTime.ToString("yyyy-MM-dd HH:mm:ss.fff");
+			var severity = message.Severity.ToString().ToUpper();
+			var threadId = message.ThreadInfo.Id < 10 ? $"0{message.ThreadInfo.Id}" : message.ThreadInfo.Id.ToString();
+			var threadName = message.ThreadInfo.HasName ? ": " + message.ThreadInfo.Name : string.Empty;
+			var threadInfo = $"[{threadId}{threadName}]";
+
+			return $"{date} {threadInfo} - {severity}: {message.Message}";
+		}
+	}
+}