minor formatting work

log-mdc/src/main/java/com/baeldung/ndc/controller/JBossLoggingController.java

@@ -13,7 +13,6 @@ import org.springframework.web.bind.annotation.RestController;
 import com.baeldung.ndc.Investment;
 import com.baeldung.ndc.service.InvestmentService;
 
-
 @RestController
 public class JBossLoggingController {
     @Autowired

rxjava/src/test/java/com/baeldung/rxjava/RxJavaBackpressureTest.java

@@ -22,16 +22,11 @@ public class RxJavaBackpressureTest {
         TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
 
         // when
-        Observable
+        Observable.range(1, 1_000_000).observeOn(Schedulers.computation()).subscribe(testSubscriber);
-          .range(1, 1_000_000)
-          .observeOn(Schedulers.computation())
-          .subscribe(testSubscriber);
 
         // then
         testSubscriber.awaitTerminalEvent();
-        assertTrue(testSubscriber
+        assertTrue(testSubscriber.getOnErrorEvents().size() == 0);
-          .getOnErrorEvents()
-          .size() == 0);
 
     }
 
@@ -41,14 +36,10 @@ public class RxJavaBackpressureTest {
         TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
         PublishSubject<Integer> source = PublishSubject.<Integer> create();
 
-        source
+        source.observeOn(Schedulers.computation()).subscribe(testSubscriber);
-          .observeOn(Schedulers.computation())
-          .subscribe(testSubscriber);
 
         // when
-        IntStream
+        IntStream.range(0, 1_000_000).forEach(source::onNext);
-          .range(0, 1_000_000)
-          .forEach(source::onNext);
 
         // then
         testSubscriber.awaitTerminalEvent();
@@ -62,20 +53,13 @@ public class RxJavaBackpressureTest {
         PublishSubject<Integer> source = PublishSubject.<Integer> create();
 
         // when
-        source
+        source.window(500).observeOn(Schedulers.computation()).subscribe(testSubscriber);
-          .window(500)
-          .observeOn(Schedulers.computation())
-          .subscribe(testSubscriber);
 
-        IntStream
+        IntStream.range(0, 1_000).forEach(source::onNext);
-          .range(0, 1_000)
-          .forEach(source::onNext);
 
         // then
         testSubscriber.awaitTerminalEvent(2, TimeUnit.SECONDS);
-        assertTrue(testSubscriber
+        assertTrue(testSubscriber.getOnErrorEvents().size() == 0);
-          .getOnErrorEvents()
-          .size() == 0);
 
     }
 
@@ -86,21 +70,13 @@ public class RxJavaBackpressureTest {
         PublishSubject<Integer> source = PublishSubject.<Integer> create();
 
         // when
-        source
+        source.buffer(1024).observeOn(Schedulers.computation()).subscribe(testSubscriber);
-          .buffer(1024)
-          .observeOn(Schedulers.computation())
-          .subscribe(testSubscriber);
-
-        IntStream
-          .range(0, 1_000)
-          .forEach(source::onNext);
 
+        IntStream.range(0, 1_000).forEach(source::onNext);
 
         // then
         testSubscriber.awaitTerminalEvent(2, TimeUnit.SECONDS);
-        assertTrue(testSubscriber
+        assertTrue(testSubscriber.getOnErrorEvents().size() == 0);
-          .getOnErrorEvents()
-          .size() == 0);
 
     }
 
@@ -113,19 +89,13 @@ public class RxJavaBackpressureTest {
         // when
         source.sample(100, TimeUnit.MILLISECONDS)
                 // .throttleFirst(100, TimeUnit.MILLISECONDS)
-          .observeOn(Schedulers.computation())
+                .observeOn(Schedulers.computation()).subscribe(testSubscriber);
-          .subscribe(testSubscriber);
-
-        IntStream
-          .range(0, 1_000)
-          .forEach(source::onNext);
 
+        IntStream.range(0, 1_000).forEach(source::onNext);
 
         // then
         testSubscriber.awaitTerminalEvent(2, TimeUnit.SECONDS);
-        assertTrue(testSubscriber
+        assertTrue(testSubscriber.getOnErrorEvents().size() == 0);
-          .getOnErrorEvents()
-          .size() == 0);
 
     }
 
@@ -135,17 +105,12 @@ public class RxJavaBackpressureTest {
         TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
 
         // when
-        Observable
+        Observable.range(1, 1_000_000).onBackpressureBuffer(16, () -> {
-          .range(1, 1_000_000)
+        }, BackpressureOverflow.ON_OVERFLOW_DROP_OLDEST).observeOn(Schedulers.computation()).subscribe(testSubscriber);
-          .onBackpressureBuffer(16, () -> {}, BackpressureOverflow.ON_OVERFLOW_DROP_OLDEST)
-          .observeOn(Schedulers.computation())
-          .subscribe(testSubscriber);
 
         // then
         testSubscriber.awaitTerminalEvent(2, TimeUnit.SECONDS);
-        assertTrue(testSubscriber
+        assertTrue(testSubscriber.getOnErrorEvents().size() == 0);
-          .getOnErrorEvents()
-          .size() == 0);
 
     }
 
@@ -155,17 +120,11 @@ public class RxJavaBackpressureTest {
         TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
 
         // when
-        Observable
+        Observable.range(1, 1_000_000).onBackpressureDrop().observeOn(Schedulers.computation()).subscribe(testSubscriber);
-          .range(1, 1_000_000)
-          .onBackpressureDrop()
-          .observeOn(Schedulers.computation())
-          .subscribe(testSubscriber);
 
         // then
         testSubscriber.awaitTerminalEvent(2, TimeUnit.SECONDS);
-        assertTrue(testSubscriber
+        assertTrue(testSubscriber.getOnErrorEvents().size() == 0);
-          .getOnErrorEvents()
-          .size() == 0);
 
     }
 }

rxjava/src/test/java/com/baeldung/rxjava/RxJavaTesting.java

@@ -13,17 +13,13 @@ import java.util.concurrent.TimeUnit;
 import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.assertThat;
 
-
 public class RxJavaTesting {
     @Test
     public void givenObservable_whenZip_shouldAssertBlockingInASameThread() {
         // given
         List<String> letters = Arrays.asList("A", "B", "C", "D", "E");
         List<String> results = new ArrayList<>();
-        Observable<String> observable = Observable
+        Observable<String> observable = Observable.from(letters).zipWith(Observable.range(1, Integer.MAX_VALUE), (string, index) -> index + "-" + string);
-                .from(letters)
-                .zipWith(Observable.range(1, Integer.MAX_VALUE),
-                        (string, index) -> index + "-" + string);
 
         // when
         observable.subscribe(results::add);
@@ -40,10 +36,7 @@ public class RxJavaTesting {
         List<String> letters = Arrays.asList("A", "B", "C", "D", "E");
         TestSubscriber<String> subscriber = new TestSubscriber<>();
 
-        Observable<String> observable = Observable
+        Observable<String> observable = Observable.from(letters).zipWith(Observable.range(1, Integer.MAX_VALUE), ((string, index) -> index + "-" + string));
-                .from(letters)
-                .zipWith(Observable.range(1, Integer.MAX_VALUE),
-                        ((string, index) -> index + "-" + string));
 
         // when
         observable.subscribe(subscriber);
@@ -61,12 +54,7 @@ public class RxJavaTesting {
         List<String> letters = Arrays.asList("A", "B", "C", "D", "E");
         TestSubscriber<String> subscriber = new TestSubscriber<>();
 
-
+        Observable<String> observable = Observable.from(letters).zipWith(Observable.range(1, Integer.MAX_VALUE), ((string, index) -> index + "-" + string)).concatWith(Observable.error(new RuntimeException("error in Observable")));
-        Observable<String> observable = Observable
-                .from(letters)
-                .zipWith(Observable.range(1, Integer.MAX_VALUE),
-                        ((string, index) -> index + "-" + string))
-                .concatWith(Observable.error(new RuntimeException("error in Observable")));
 
         // when
         observable.subscribe(subscriber);
@@ -84,11 +72,9 @@ public class RxJavaTesting {
         TestSubscriber<String> subscriber = new TestSubscriber<>();
         Observable<Long> tick = Observable.interval(1, TimeUnit.SECONDS, scheduler);
 
-        Observable<String> observable = Observable.from(letters)
+        Observable<String> observable = Observable.from(letters).zipWith(tick, (string, index) -> index + "-" + string);
-                .zipWith(tick, (string, index) -> index + "-" + string);
 
-        observable.subscribeOn(scheduler)
+        observable.subscribeOn(scheduler).subscribe(subscriber);
-                .subscribe(subscriber);
 
         // expect
         subscriber.assertNoValues();
@@ -110,4 +96,3 @@ public class RxJavaTesting {
         assertThat(subscriber.getOnNextEvents(), hasItems("0-A", "1-B", "2-C", "3-D", "4-E"));
     }
 }
-

spring-security-mvc-boot/src/main/java/org/baeldung/multiplelogin/MultipleLoginSecurityConfig.java

@@ -21,14 +21,8 @@ public class MultipleLoginSecurityConfig {
     @Bean
     public UserDetailsService userDetailsService() throws Exception {
         InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager();
-        manager.createUser(User.withUsername("user")
+        manager.createUser(User.withUsername("user").password("userPass").roles("USER").build());
-            .password("userPass")
+        manager.createUser(User.withUsername("admin").password("adminPass").roles("ADMIN").build());
-            .roles("USER")
-            .build());
-        manager.createUser(User.withUsername("admin")
-            .password("adminPass")
-            .roles("ADMIN")
-            .build());
         return manager;
     }
 
@@ -42,37 +36,16 @@ public class MultipleLoginSecurityConfig {
 
         @Override
         protected void configure(AuthenticationManagerBuilder auth) throws Exception {
-            auth.inMemoryAuthentication()
+            auth.inMemoryAuthentication().withUser("admin").password("admin").roles("ADMIN");
-                .withUser("admin")
-                .password("admin")
-                .roles("ADMIN");
         }
 
         @Override
         protected void configure(HttpSecurity http) throws Exception {
-            http.antMatcher("/admin*")
+            http.antMatcher("/admin*").authorizeRequests().anyRequest().hasRole("ADMIN")
-                .authorizeRequests()
-                .anyRequest()
-                .hasRole("ADMIN")
                     // log in
-                .and()
+                    .and().formLogin().loginPage("/loginAdmin").loginProcessingUrl("/admin_login").failureUrl("/loginAdmin?error=loginError").defaultSuccessUrl("/adminPage")
-                .formLogin()
-                .loginPage("/loginAdmin")
-                .loginProcessingUrl("/admin_login")
-                .failureUrl("/loginAdmin?error=loginError")
-                .defaultSuccessUrl("/adminPage")
                     // logout
-                .and()
+                    .and().logout().logoutUrl("/admin_logout").logoutSuccessUrl("/protectedLinks").deleteCookies("JSESSIONID").and().exceptionHandling().accessDeniedPage("/403").and().csrf().disable();
-                .logout()
-                .logoutUrl("/admin_logout")
-                .logoutSuccessUrl("/protectedLinks")
-                .deleteCookies("JSESSIONID")
-                .and()
-                .exceptionHandling()
-                .accessDeniedPage("/403")
-                .and()
-                .csrf()
-                .disable();
         }
     }
 
@@ -86,36 +59,15 @@ public class MultipleLoginSecurityConfig {
 
         @Override
         protected void configure(AuthenticationManagerBuilder auth) throws Exception {
-            auth.inMemoryAuthentication()
+            auth.inMemoryAuthentication().withUser("user").password("user").roles("USER");
-                .withUser("user")
-                .password("user")
-                .roles("USER");
         }
 
         protected void configure(HttpSecurity http) throws Exception {
-            http.antMatcher("/user*")
+            http.antMatcher("/user*").authorizeRequests().anyRequest().hasRole("USER")
-                .authorizeRequests()
-                .anyRequest()
-                .hasRole("USER")
                     // log in
-                .and()
+                    .and().formLogin().loginPage("/loginUser").loginProcessingUrl("/user_login").failureUrl("/loginUser?error=loginError").defaultSuccessUrl("/userPage")
-                .formLogin()
-                .loginPage("/loginUser")
-                .loginProcessingUrl("/user_login")
-                .failureUrl("/loginUser?error=loginError")
-                .defaultSuccessUrl("/userPage")
                     // logout
-                .and()
+                    .and().logout().logoutUrl("/user_logout").logoutSuccessUrl("/protectedLinks").deleteCookies("JSESSIONID").and().exceptionHandling().accessDeniedPage("/403").and().csrf().disable();
-                .logout()
-                .logoutUrl("/user_logout")
-                .logoutSuccessUrl("/protectedLinks")
-                .deleteCookies("JSESSIONID")
-                .and()
-                .exceptionHandling()
-                .accessDeniedPage("/403")
-                .and()
-                .csrf()
-                .disable();
         }
     }