Remove remaining usage of WebSecurityConfigurerAdapter

servlet/spring-boot/java/oauth2/resource-server/jwe/src/main/java/example/OAuth2ResourceServerSecurityConfiguration.java

@@ -42,9 +42,9 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.oauth2.jwt.JwtDecoder;
 import org.springframework.security.oauth2.jwt.NimbusJwtDecoder;
+import org.springframework.security.web.SecurityFilterChain;
 
 import static org.springframework.security.config.Customizer.withDefaults;
 
@@ -54,7 +54,7 @@ import static org.springframework.security.config.Customizer.withDefaults;
  * @author Josh Cummings
  */
 @EnableWebSecurity
-public class OAuth2ResourceServerSecurityConfiguration extends WebSecurityConfigurerAdapter {
+public class OAuth2ResourceServerSecurityConfiguration {
 
 	private final JWSAlgorithm jwsAlgorithm = JWSAlgorithm.RS256;
 
@@ -68,16 +68,17 @@ public class OAuth2ResourceServerSecurityConfiguration extends WebSecurityConfig
 	@Value("${sample.jwe-key-value}")
 	RSAPrivateKey key;
 
-	@Override
-	protected void configure(HttpSecurity http) throws Exception {
+	@Bean
+	public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
 		// @formatter:off
 		http
-			.authorizeHttpRequests((authorize) -> authorize
-				.antMatchers("/message/**").hasAuthority("SCOPE_message:read")
-				.anyRequest().authenticated()
-			)
-			.oauth2ResourceServer((oauth2) -> oauth2.jwt(withDefaults()));
+				.authorizeHttpRequests((authorize) -> authorize
+						.antMatchers("/message/**").hasAuthority("SCOPE_message:read")
+						.anyRequest().authenticated()
+				)
+				.oauth2ResourceServer((oauth2) -> oauth2.jwt(withDefaults()));
 		// @formatter:on
+		return http.build();
 	}
 
 	@Bean