minor cleanup

spring-security-oauth/spring-security-oauth-resource/src/main/java/org/baeldung/config/OAuth2ResourceServerConfig.java

@@ -8,18 +8,28 @@
 import org.springframework.context.annotation.PropertySource;
 import org.springframework.core.env.Environment;
 import org.springframework.jdbc.datasource.DriverManagerDataSource;
+import org.springframework.security.access.expression.method.MethodSecurityExpressionHandler;
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+import org.springframework.security.config.annotation.method.configuration.GlobalMethodSecurityConfiguration;
 import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
+import org.springframework.security.oauth2.provider.expression.OAuth2MethodSecurityExpressionHandler;
 import org.springframework.security.oauth2.provider.token.TokenStore;
 import org.springframework.security.oauth2.provider.token.store.JdbcTokenStore;
 
 @Configuration
 @PropertySource({ "classpath:persistence.properties" })
 @EnableResourceServer
-public class OAuth2ResourceServerConfig {
+@EnableGlobalMethodSecurity(prePostEnabled = true)
+public class OAuth2ResourceServerConfig extends GlobalMethodSecurityConfiguration {
 
     @Autowired
     private Environment env;
 
+    @Override
+    protected MethodSecurityExpressionHandler createExpressionHandler() {
+        return new OAuth2MethodSecurityExpressionHandler();
+    }
+
     @Bean
     public DataSource dataSource() {
         final DriverManagerDataSource dataSource = new DriverManagerDataSource();

spring-security-oauth/spring-security-oauth-resource/src/main/java/org/baeldung/config/ResourceApplication.java → spring-security-oauth/spring-security-oauth-resource/src/main/java/org/baeldung/config/ResourceServerApplication.java

@@ -5,10 +5,10 @@
 import org.springframework.boot.context.web.SpringBootServletInitializer;
 
 @SpringBootApplication
-public class ResourceApplication extends SpringBootServletInitializer {
+public class ResourceServerApplication extends SpringBootServletInitializer {
 
     public static void main(String[] args) {
-        SpringApplication.run(ResourceApplication.class, args);
+        SpringApplication.run(ResourceServerApplication.class, args);
     }
 
 }

spring-security-oauth/spring-security-oauth-resource/src/main/java/org/baeldung/config/ResourceWebConfig.java → spring-security-oauth/spring-security-oauth-resource/src/main/java/org/baeldung/config/ResourceServerWebConfig.java

@@ -8,6 +8,6 @@
 @Configuration
 @EnableWebMvc
 @ComponentScan({ "org.baeldung.web.controller" })
-public class ResourceWebConfig extends WebMvcConfigurerAdapter {
+public class ResourceServerWebConfig extends WebMvcConfigurerAdapter {
 
 }