Software Architecture with Spring 5.0

Securing applications with Spring Security

Spring Security is an extensible framework that can be used to secure Java applications. It can also be used to handle authentication and authorization, and it uses a declarative style that is not at all intrusive of the existing code.

The framework supports different approaches to authentication, such as the following:

• LDAP
• JDBC
• In-memory

You can also add your own custom authentication mechanism by implementing the AuthenticationProvider interface, as follows:

@Componentpublic class CustomAuthenticationProvider implements AuthenticationProvider {  @Override  public Authentication authenticate(Authentication   authentication)  throws AuthenticationException   {    // get the entered credentials String ...