/Java/Using automapper without dependency injection

Using automapper without dependency injection

public static class MapperWrapper 
{
    private const string InvalidOperationMessage = "Mapper not initialized. Call Initialize with appropriate configuration. If you are trying to use mapper instances through a container or otherwise, make sure you do not have any calls to the static Mapper.Map methods, and if you're using ProjectTo or UseAsDataSource extension methods, make sure you pass in the appropriate IConfigurationProvider instance.";
    private const string AlreadyInitialized = "Mapper already initialized. You must call Initialize once per application domain/process.";

    private static IConfigurationProvider _configuration;
    private static IMapper _instance;

    private static IConfigurationProvider Configuration
    {
        get => _configuration ?? throw new InvalidOperationException(InvalidOperationMessage);
        set => _configuration = (_configuration == null) ? value : throw new InvalidOperationException(AlreadyInitialized);
    }

    public static IMapper Mapper
    {
        get => _instance ?? throw new InvalidOperationException(InvalidOperationMessage);
        private set => _instance = value;
    }

    public static void Initialize(Action<IMapperConfigurationExpression> config)
    {
        Initialize(new MapperConfiguration(config));
    }

    public static void Initialize(MapperConfiguration config)
    {
        Configuration = config;
        Mapper = Configuration.CreateMapper();
    }

    public static void AssertConfigurationIsValid() => Configuration.AssertConfigurationIsValid();
}

Source: stackoverflow.com

Similar codes

32 votes154 views6 answers
Bootstrap alert
Java
2 votes139 views2 answers
Convert integer array to string array
Java
3 votes155 views1 answer
Java doreturn void
Java
14 votes137 views6 answers
Fibonacci
Java
1 vote179 views1 answer
Search file java
Java
3 votes128 views1 answer
Java filewriter new line
Java
2 votes152 views1 answer
For loop in multidimensional array java
Java
1 vote178 views1 answer
Get element in arraylist java
Java
1 vote131 views2 answers
Jsp redirect to another url
Java
3 votes150 views1 answer
Java read string input
Java