Remove references to WebSecurityConfigurerAdapter

* AbstractAuthenticationFilterConfigurer
* DefaultLoginPageConfigurer
* EnableGlobalAuthentication
* FormLoginConfigurer
* HeadersConfigurer
* HttpSecurity
* OpenIDLoginConfigurer
* RememberMeConfigurer
* WebSecurity
* WebSecurityConfiguration
* WebSecurityConfigurer
* X509Configurer

Closes gh-11288

config/src/main/java/org/springframework/security/config/annotation/authentication/configuration/EnableGlobalAuthentication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,10 +39,19 @@
  * @EnableGlobalAuthentication
  * public class MyGlobalAuthenticationConfiguration {
  *
- * 	@Autowired
- * 	public void configureGlobal(AuthenticationManagerBuilder auth) {
- * 		auth.inMemoryAuthentication().withUser("user").password("password").roles("USER")
- * 				.and().withUser("admin").password("password").roles("USER", "ADMIN");
+ * 	@Bean
+ * 	public UserDetailsService userDetailsService() {
+ * 		UserDetails user = User.withDefaultPasswordEncoder()
+ * 			.username("user")
+ * 			.password("password")
+ * 			.roles("USER")
+ * 			.build();
+ * 		UserDetails admin = User.withDefaultPasswordEncoder()
+ * 			.username("admin")
+ * 			.password("password")
+ * 			.roles("ADMIN", "USER")
+ * 			.build();
+ * 		return new InMemoryUserDetailsManager(user, admin);
  * 	}
  * }
  * </pre>
@@ -54,15 +63,24 @@
  * <pre class="code">
  * &#064;Configuration
  * &#064;EnableWebSecurity
- * public class MyWebSecurityConfiguration extends WebSecurityConfigurerAdapter {
+ * public class MyWebSecurityConfiguration {
  *
- * 	&#064;Autowired
- * 	public void configureGlobal(AuthenticationManagerBuilder auth) {
- * 		auth.inMemoryAuthentication().withUser(&quot;user&quot;).password(&quot;password&quot;).roles(&quot;USER&quot;)
- * 				.and().withUser(&quot;admin&quot;).password(&quot;password&quot;).roles(&quot;USER&quot;, &quot;ADMIN&quot;);
+ * 	&#064;Bean
+ * 	public UserDetailsService userDetailsService() {
+ * 		UserDetails user = User.withDefaultPasswordEncoder()
+ * 			.username(&quot;user&quot;)
+ * 			.password(&quot;password&quot;)
+ * 			.roles(&quot;USER&quot;)
+ * 			.build();
+ * 		UserDetails admin = User.withDefaultPasswordEncoder()
+ * 			.username(&quot;admin&quot;)
+ * 			.password(&quot;password&quot;)
+ * 			.roles(&quot;ADMIN&quot;, &quot;USER&quot;)
+ * 			.build();
+ * 		return new InMemoryUserDetailsManager(user, admin);
  * 	}
  *
- * 	// Possibly overridden methods ...
+ * 	// Possibly more bean methods ...
  * }
  * </pre>
  *

config/src/main/java/org/springframework/security/config/annotation/web/WebSecurityConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,19 +23,16 @@
 import org.springframework.security.config.annotation.SecurityConfigurer;
 import org.springframework.security.config.annotation.web.builders.WebSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.web.SecurityFilterChain;
 
 /**
  * Allows customization to the {@link WebSecurity}. In most instances users will use
- * {@link EnableWebSecurity} and either create a {@link Configuration} that extends
- * {@link WebSecurityConfigurerAdapter} or expose a {@link SecurityFilterChain} bean. Both
- * will automatically be applied to the {@link WebSecurity} by the
- * {@link EnableWebSecurity} annotation.
+ * {@link EnableWebSecurity} and create a {@link Configuration} that exposes a
+ * {@link SecurityFilterChain} bean. This will automatically be applied to the
+ * {@link WebSecurity} by the {@link EnableWebSecurity} annotation.
  *
  * @author Rob Winch
  * @since 3.2
- * @see WebSecurityConfigurerAdapter
  * @see SecurityFilterChain
  */
 public interface WebSecurityConfigurer<T extends SecurityBuilder<Filter>> extends SecurityConfigurer<Filter, T> {