How to configure Auto mapper in class library project?

How to configure Auto mapper in class library project?

AutoMapper can be configured in a class library project just like in any other type of project. Here are the steps to configure AutoMapper in a class library project:

  • Install AutoMapper package: First, you need to install the AutoMapper package using the NuGet Package Manager in Visual Studio. You can do this by right-clicking on your project in the Solution Explorer, selecting "Manage NuGet Packages," and searching for "AutoMapper." Once you find the package, click "Install" to install it in your project.

  • Create AutoMapper configuration: In your class library project, create a class that will hold your AutoMapper configuration. This class should inherit from the Profile class provided by AutoMapper. In this class, you can configure your AutoMapper mappings using the CreateMap method. Here's an example:

using AutoMapper; public class MyAutoMapperProfile : Profile { public MyAutoMapperProfile() { CreateMap<MySourceClass, MyDestinationClass>(); } }

In this example, we create a MyAutoMapperProfile class that inherits from Profile. We use the CreateMap method to create a mapping from MySourceClass to MyDestinationClass.

  • Register AutoMapper configuration: In order to use your AutoMapper configuration, you need to register it with the AutoMapper engine. You can do this in the Startup class of your application. Here's an example:
using AutoMapper; public class Startup { public void ConfigureServices(IServiceCollection services) { services.AddAutoMapper(typeof(MyAutoMapperProfile)); } }

In this example, we use the AddAutoMapper method to register our AutoMapper configuration with the DI container. We pass in the type of our AutoMapper profile (MyAutoMapperProfile) so that AutoMapper can find it and use it.

  • Use AutoMapper in your code: Once you've configured and registered AutoMapper, you can use it in your code by injecting IMapper into your classes or methods. Here's an example:
using AutoMapper; public class MyService { private readonly IMapper _mapper; public MyService(IMapper mapper) { _mapper = mapper; } public void DoMapping() { MySourceClass source = new MySourceClass(); MyDestinationClass destination = _mapper.Map<MyDestinationClass>(source); } }

In this example, we inject IMapper into our MyService class using constructor injection. We then use the Map method of IMapper to map a MySourceClass object to a MyDestinationClass object.

That's it! With these steps, you can configure AutoMapper in your class library project and use it to map between objects in your code.

Examples

  1. "AutoMapper configuration in class library project"

    • Code Implementation:
      public static class AutoMapperConfig { public static void Configure() { Mapper.Initialize(cfg => { // Add your mappings here cfg.CreateMap<SourceClass, DestinationClass>(); // Additional mappings... }); } }
    • Description: This code initializes AutoMapper in a class library project and sets up mappings between source and destination classes.

  2. "How to use AutoMapper profiles in class library"

    • Code Implementation:
      public class MappingProfile : Profile { public MappingProfile() { CreateMap<SourceClass, DestinationClass>(); // Additional mappings... } }
    • Description: Use AutoMapper profiles to encapsulate mappings in a class library project for better organization and separation of concerns.

  3. "AutoMapper Dependency Injection in class library"

    • Code Implementation:
      services.AddAutoMapper(typeof(Startup).Assembly);
    • Description: Register AutoMapper in the DI container during startup to enable dependency injection of IMapper in your class library project.

  4. "How to configure AutoMapper in ASP.NET Core class library"

    • Code Implementation:
      public void ConfigureServices(IServiceCollection services) { services.AddAutoMapper(typeof(Startup).Assembly); // Other service configurations... }
    • Description: Configure AutoMapper in the ConfigureServices method of your ASP.NET Core application, including class libraries.

  5. "AutoMapper Ignore Property in class library project"

    • Code Implementation:
      CreateMap<SourceClass, DestinationClass>() .ForMember(dest => dest.PropertyToIgnore, opt => opt.Ignore());
    • Description: Use ForMember method to specify properties to be ignored during the mapping process.

  6. "How to test AutoMapper mappings in class library"

    • Code Implementation:
      Mapper.AssertConfigurationIsValid();
    • Description: Ensure the correctness of your mappings by calling AssertConfigurationIsValid during testing.

  7. "AutoMapper Reverse Mapping in class library project"

    • Code Implementation:
      CreateMap<DestinationClass, SourceClass>();
    • Description: Set up reverse mappings to easily map both from source to destination and vice versa.

  8. "Custom value resolvers in AutoMapper class library"

    • Code Implementation:
      CreateMap<SourceClass, DestinationClass>() .ForMember(dest => dest.CustomProperty, opt => opt.MapFrom<CustomValueResolver>());
    • Description: Implement custom value resolvers to handle complex mapping scenarios.

  9. "AutoMapper NuGet package for class library"

    • Code Implementation:
      <PackageReference Include="AutoMapper" Version="10.0.0" />
    • Description: Include the AutoMapper NuGet package in your class library project file to get the latest version.

  10. "Conditional mapping in AutoMapper class library project"

    • Code Implementation:
      CreateMap<SourceClass, DestinationClass>() .ForMember(dest => dest.Property, opt => opt.Condition(src => src.PropertyToMap != null));
    • Description: Use the Condition method to apply mappings based on certain conditions in your class library project.

More Tags

oppo apache-mina feature-selection mongodb topshelf iasyncenumerable common-table-expression mappedsuperclass marker vectorization

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