.net core Console application strongly typed Configuration

.net core Console application strongly typed Configuration

In .NET Core console applications, you can use strongly typed configuration by creating a configuration class that represents the configuration data you want to load.

Here are the general steps to use strongly typed configuration in a .NET Core console application:

  • Add the Microsoft.Extensions.Configuration and Microsoft.Extensions.Configuration.Json packages to your project.

  • Create a configuration class that represents the configuration data you want to load. The properties in this class should correspond to the configuration keys in your configuration file.

public class MyConfig
{
    public string Key1 { get; set; }
    public int Key2 { get; set; }
    public bool Key3 { get; set; }
}
  • Create a configuration provider that loads the configuration data from your configuration file. You can use the JsonConfigurationProvider class to load configuration data from a JSON file.
var builder = new ConfigurationBuilder()
    .SetBasePath(Directory.GetCurrentDirectory())
    .AddJsonFile("appsettings.json");

var config = builder.Build();
  • Bind the configuration data to your configuration class by calling the GetSection and Bind methods.
var myConfig = new MyConfig();
config.GetSection("MyConfig").Bind(myConfig);
  • Use the configuration data in your application by accessing the properties of your configuration class.
Console.WriteLine(myConfig.Key1);
Console.WriteLine(myConfig.Key2);
Console.WriteLine(myConfig.Key3);

By using strongly typed configuration in your .NET Core console application, you can easily load configuration data from a variety of sources and use it in a type-safe manner throughout your application.

Examples

  1. ".NET Core Console app strongly typed Configuration"

    Description: Discover how to implement strongly typed configuration in a .NET Core console application for better type safety.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

var config = new ConfigurationBuilder()
    .SetBasePath(Directory.GetCurrentDirectory())
    .AddJsonFile("appsettings.json")
    .Build();

var appSettings = new AppSettings();
config.GetSection("AppSettings").Bind(appSettings);

  2. ".NET Core Console app Options pattern Configuration"

    Description: Learn how to use the Options pattern for strongly typed configuration in a .NET Core console application.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

var config = new ConfigurationBuilder()
    .SetBasePath(Directory.GetCurrentDirectory())
    .AddJsonFile("appsettings.json")
    .Build();

var appSettings = new AppSettings();
config.GetSection("AppSettings").Bind(appSettings);

services.Configure<AppSettings>(config.GetSection("AppSettings"));

  3. ".NET Core Console app IConfigurationSection bind"

    Description: Explore the IConfigurationSection.Bind method to achieve strongly typed configuration in a .NET Core console application.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

var config = new ConfigurationBuilder()
    .SetBasePath(Directory.GetCurrentDirectory())
    .AddJsonFile("appsettings.json")
    .Build();

var appSettings = new AppSettings();
config.GetSection("AppSettings").Bind(appSettings);

  4. ".NET Core Console app strongly typed configuration best practices"

    Description: Explore best practices for implementing and organizing strongly typed configuration in .NET Core console applications.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

var config = new ConfigurationBuilder()
    .SetBasePath(Directory.GetCurrentDirectory())
    .AddJsonFile("appsettings.json")
    .Build();

var appSettings = config.GetSection("AppSettings").Get<AppSettings>();

  5. ".NET Core Console app named options configuration"

    Description: Learn how to use named options for strongly typed configuration in a .NET Core console application.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

services.AddOptions<AppSettings>("AppSettings")
    .Bind(config.GetSection("AppSettings"));

  6. ".NET Core Console app IConfiguration.Get<T>"

    Description: Utilize the IConfiguration.Get<T> method to retrieve strongly typed configuration in a .NET Core console application.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

var appSettings = config.GetSection("AppSettings").Get<AppSettings>();

  7. ".NET Core Console app options validation"

    Description: Explore options validation for strongly typed configuration in a .NET Core console application.

    // Code Implementation
services.AddOptions<AppSettings>("AppSettings")
    .Bind(config.GetSection("AppSettings"))
    .ValidateDataAnnotations();

  8. ".NET Core Console app IConfigurationRoot.GetSection"

    Description: Use IConfigurationRoot.GetSection method to retrieve strongly typed configuration sections in a .NET Core console application.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

var appSettings = config.GetSection("AppSettings").Get<AppSettings>();

  9. ".NET Core Console app IConfiguration.Bind<T>"

    Description: Utilize the IConfiguration.Bind<T> method to bind strongly typed configuration in a .NET Core console application.

    // Code Implementation
public class AppSettings
{
    public string ConnectionString { get; set; }
    public int MaxRetryAttempts { get; set; }
}

config.GetSection("AppSettings").Bind(appSettings);

  10. ".NET Core Console app IConfiguration validation"

    Description: Explore validation options for strongly typed configuration using IConfiguration in a .NET Core console application.

    // Code Implementation
public class AppSettings
{
    [Required]
    public string ConnectionString { get; set; }

    [Range(1, 10)]
    public int MaxRetryAttempts { get; set; }
}

config.GetSection("AppSettings").Bind(appSettings);

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