Use http security nested builder in samples

Issue: gh-5557

samples/boot/oauth2resourceserver/src/main/java/sample/OAuth2ResourceServerSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -19,6 +19,8 @@ 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 static org.springframework.security.config.Customizer.withDefaults;
+
 /**
  * @author Josh Cummings
  */
@@ -29,12 +31,15 @@ public class OAuth2ResourceServerSecurityConfiguration extends WebSecurityConfig
 	protected void configure(HttpSecurity http) throws Exception {
 		// @formatter:off
 		http
-			.authorizeRequests()
-				.antMatchers("/message/**").hasAuthority("SCOPE_message:read")
-				.anyRequest().authenticated()
-				.and()
-			.oauth2ResourceServer()
-				.jwt();
+			.authorizeRequests(authorizeRequests ->
+				authorizeRequests
+					.antMatchers("/message/**").hasAuthority("SCOPE_message:read")
+					.anyRequest().authenticated()
+			)
+			.oauth2ResourceServer(oauth2ResourceServer ->
+				oauth2ResourceServer
+					.jwt(withDefaults())
+			);
 		// @formatter:on
 	}
 }