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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,10 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
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| </Project> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,75 @@ | ||
| #region Product | ||
| public interface ILogger | ||
| { | ||
| void Log(string message); | ||
| } | ||
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| #endregion | ||
| #region Concrete Product | ||
| public class ConsoleLogger : ILogger | ||
| { | ||
| public void Log(string message) | ||
| { | ||
| Console.WriteLine($"Console Logger: {message}"); | ||
| } | ||
| } | ||
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| public class DatabaseLogger : ILogger | ||
| { | ||
| public void Log(string message) | ||
| { | ||
| Console.WriteLine($"Database Logger: {message}"); | ||
| } | ||
| } | ||
| #endregion | ||
| #region Concrete Creator | ||
| public class LoggerFactory | ||
| { | ||
| public ILogger GetLogger(string loggerType) | ||
| { | ||
| if (loggerType.Equals("Console")) | ||
| { | ||
| return new ConsoleLogger(); | ||
| } | ||
| else if (loggerType.Equals("Database")) | ||
| { | ||
| return new DatabaseLogger(); | ||
| } | ||
| else | ||
| { | ||
| throw new ArgumentException("Invalid logger type!"); | ||
| } | ||
| } | ||
| } | ||
| #endregion | ||
| #region Client | ||
| public class LoggingClient | ||
| { | ||
| private readonly LoggerFactory loggerFactory; | ||
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| public LoggingClient(LoggerFactory factory) | ||
| { | ||
| loggerFactory = factory; | ||
| } | ||
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| public void LogMessage(string message, string loggerType) | ||
| { | ||
| ILogger logger = loggerFactory.GetLogger(loggerType); | ||
| logger.Log(message); | ||
| } | ||
| } | ||
| #endregion | ||
| #region Running the code. | ||
| class Program | ||
| { | ||
| static void Main(string[] args) | ||
| { | ||
| LoggerFactory loggerFactory = new LoggerFactory(); | ||
| LoggingClient loggingClient = new LoggingClient(loggerFactory); | ||
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| loggingClient.LogMessage("This message will be logged in a console.", "Console"); | ||
| loggingClient.LogMessage("This message will be logged in a database.", "Database"); | ||
| //loggingClient.LogMessage("This message will be logged in a database.", "Email"); | ||
| } | ||
| } | ||
| #endregion |