minor formatting cleanup

spring-boot/src/main/java/com/baeldung/annotation/servletcomponentscan/SpringBootAnnotatedApp.java

@@ -16,7 +16,7 @@ import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
  * <code>@ServletComponentScan(basePackageClasses = {AttrListener.class, HelloFilter.class, HelloServlet.class, EchoServlet.class})</code>
  * </li></ul>
  */
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
 @ServletComponentScan("com.baeldung.annotation.servletcomponentscan.components")
 public class SpringBootAnnotatedApp {
 

spring-boot/src/main/java/com/baeldung/annotation/servletcomponentscan/SpringBootPlainApp.java

@@ -5,7 +5,7 @@ import org.springframework.context.annotation.ComponentScan;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
 @ComponentScan(basePackages = "com.baeldung.annotation.servletcomponentscan.components")
 public class SpringBootPlainApp {
 

spring-boot/src/main/java/com/baeldung/annotation/servletcomponentscan/components/AttrListener.java

@@ -9,9 +9,8 @@ public class AttrListener implements ServletContextListener {
 
     @Override
     public void contextInitialized(ServletContextEvent servletContextEvent) {
-        servletContextEvent
-          .getServletContext()
-          .setAttribute("servlet-context-attr", "test");
+        servletContextEvent.getServletContext()
+            .setAttribute("servlet-context-attr", "test");
         System.out.println("context init");
     }
 

spring-boot/src/main/java/com/baeldung/annotation/servletcomponentscan/components/EchoServlet.java

@@ -16,9 +16,8 @@ public class EchoServlet extends HttpServlet {
     @Override
     public void doPost(HttpServletRequest request, HttpServletResponse response) {
         try {
-            Path path = File
-              .createTempFile("echo", "tmp")
-              .toPath();
+            Path path = File.createTempFile("echo", "tmp")
+                .toPath();
             Files.copy(request.getInputStream(), path, StandardCopyOption.REPLACE_EXISTING);
             Files.copy(path, response.getOutputStream());
             Files.delete(path);

spring-boot/src/main/java/com/baeldung/annotation/servletcomponentscan/components/HelloFilter.java

@@ -18,9 +18,8 @@ public class HelloFilter implements Filter {
 
     @Override
     public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
-        servletResponse
-          .getOutputStream()
-          .print(filterConfig.getInitParameter("msg"));
+        servletResponse.getOutputStream()
+            .print(filterConfig.getInitParameter("msg"));
         filterChain.doFilter(servletRequest, servletResponse);
     }
 

spring-boot/src/main/java/com/baeldung/annotation/servletcomponentscan/components/HelloServlet.java

@@ -8,22 +8,22 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 
-@WebServlet(urlPatterns = "/hello", initParams = { @WebInitParam(name = "msg", value = "hello")})
+@WebServlet(urlPatterns = "/hello", initParams = { @WebInitParam(name = "msg", value = "hello") })
 public class HelloServlet extends HttpServlet {
 
     private ServletConfig servletConfig;
 
     @Override
-    public void init(ServletConfig servletConfig){
+    public void init(ServletConfig servletConfig) {
         this.servletConfig = servletConfig;
     }
 
     @Override
     public void doGet(HttpServletRequest request, HttpServletResponse response) {
         try {
-            response
-              .getOutputStream()
-              .write(servletConfig.getInitParameter("msg").getBytes());
+            response.getOutputStream()
+                .write(servletConfig.getInitParameter("msg")
+                    .getBytes());
         } catch (IOException e) {
             e.printStackTrace();
         }

spring-boot/src/main/java/com/baeldung/autoconfiguration/MySQLAutoconfiguration.java

@@ -92,21 +92,19 @@ public class MySQLAutoconfiguration {
 
     static class HibernateCondition extends SpringBootCondition {
 
-        private static final String[] CLASS_NAMES = {
-          "org.hibernate.ejb.HibernateEntityManager",
-          "org.hibernate.jpa.HibernateEntityManager" };
+        private static final String[] CLASS_NAMES = { "org.hibernate.ejb.HibernateEntityManager", "org.hibernate.jpa.HibernateEntityManager" };
 
         @Override
         public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
             ConditionMessage.Builder message = ConditionMessage.forCondition("Hibernate");
 
             return Arrays.stream(CLASS_NAMES)
-              .filter(className -> ClassUtils.isPresent(className, context.getClassLoader()))
-              .map(className -> ConditionOutcome
-                .match(message.found("class").items(Style.NORMAL, className)))
-              .findAny()
-              .orElseGet(() -> ConditionOutcome
-                .noMatch(message.didNotFind("class", "classes").items(Style.NORMAL, Arrays.asList(CLASS_NAMES))));
+                .filter(className -> ClassUtils.isPresent(className, context.getClassLoader()))
+                .map(className -> ConditionOutcome.match(message.found("class")
+                    .items(Style.NORMAL, className)))
+                .findAny()
+                .orElseGet(() -> ConditionOutcome.noMatch(message.didNotFind("class", "classes")
+                    .items(Style.NORMAL, Arrays.asList(CLASS_NAMES))));
         }
 
     }

spring-boot/src/main/java/com/baeldung/autoconfiguration/example/MyUserRepository.java

@@ -2,6 +2,6 @@ package com.baeldung.autoconfiguration.example;
 
 import org.springframework.data.jpa.repository.JpaRepository;
 
-public interface MyUserRepository extends JpaRepository<MyUser, String>{
-    
+public interface MyUserRepository extends JpaRepository<MyUser, String> {
+
 }

spring-boot/src/main/java/com/baeldung/displayallbeans/Application.java

@@ -10,13 +10,13 @@ public class Application {
 
     public static void main(String[] args) {
         applicationContext = SpringApplication.run(Application.class, args);
-        
+
         displayAllBeans();
     }
-    
+
     public static void displayAllBeans() {
         String[] allBeanNames = applicationContext.getBeanDefinitionNames();
-        for(String beanName : allBeanNames) {
+        for (String beanName : allBeanNames) {
             System.out.println(beanName);
         }
     }

spring-boot/src/main/java/com/baeldung/displayallbeans/controller/FooController.java

@@ -12,9 +12,9 @@ import com.baeldung.displayallbeans.service.FooService;
 public class FooController {
     @Autowired
     private FooService fooService;
-    
-    @RequestMapping(value="/displayallbeans") 
-    public String getHeaderAndBody (Map<String, Object> model){
+
+    @RequestMapping(value = "/displayallbeans")
+    public String getHeaderAndBody(Map<String, Object> model) {
         model.put("header", fooService.getHeader());
         model.put("message", fooService.getBody());
         return "displayallbeans";

spring-boot/src/main/java/com/baeldung/displayallbeans/service/FooService.java

@@ -4,15 +4,13 @@ import org.springframework.stereotype.Service;
 
 @Service
 public class FooService {
-    
+
     public String getHeader() {
         return "Display All Beans";
     }
-    
+
     public String getBody() {
-        return "This is a sample application that displays all beans "
-          + "in Spring IoC container using ListableBeanFactory interface "
-          + "and Spring Boot Actuators.";
+        return "This is a sample application that displays all beans " + "in Spring IoC container using ListableBeanFactory interface " + "and Spring Boot Actuators.";
     }
-    
+
 }

spring-boot/src/main/java/com/baeldung/dynamicvalidation/config/PersistenceConfig.java

@@ -18,7 +18,10 @@ public class PersistenceConfig {
     @Bean
     public DataSource dataSource() {
         EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
-        EmbeddedDatabase db = builder.setType(EmbeddedDatabaseType.H2).addScript("schema-expressions.sql").addScript("data-expressions.sql").build();
+        EmbeddedDatabase db = builder.setType(EmbeddedDatabaseType.H2)
+            .addScript("schema-expressions.sql")
+            .addScript("data-expressions.sql")
+            .build();
         return db;
     }
 }

spring-boot/src/main/java/com/baeldung/failureanalyzer/FailureAnalyzerApplication.java

@@ -7,7 +7,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
 public class FailureAnalyzerApplication {
     @RolesAllowed("*")
     public static void main(String[] args) {

spring-boot/src/main/java/com/baeldung/failureanalyzer/MyBeanNotOfRequiredTypeFailureAnalyzer.java

@@ -4,8 +4,7 @@ import org.springframework.beans.factory.BeanNotOfRequiredTypeException;
 import org.springframework.boot.diagnostics.AbstractFailureAnalyzer;
 import org.springframework.boot.diagnostics.FailureAnalysis;
 
-public class MyBeanNotOfRequiredTypeFailureAnalyzer
-  extends AbstractFailureAnalyzer<BeanNotOfRequiredTypeException> {
+public class MyBeanNotOfRequiredTypeFailureAnalyzer extends AbstractFailureAnalyzer<BeanNotOfRequiredTypeException> {
 
     @Override
     protected FailureAnalysis analyze(Throwable rootFailure, BeanNotOfRequiredTypeException cause) {
@@ -13,16 +12,15 @@ public class MyBeanNotOfRequiredTypeFailureAnalyzer
     }
 
     private String getDescription(BeanNotOfRequiredTypeException ex) {
-        return String.format("The bean %s could not be injected as %s because it is of type %s",
-          ex.getBeanName(),
-          ex.getRequiredType().getName(),
-          ex.getActualType().getName());
+        return String.format("The bean %s could not be injected as %s because it is of type %s", ex.getBeanName(), ex.getRequiredType()
+            .getName(),
+            ex.getActualType()
+                .getName());
     }
 
     private String getAction(BeanNotOfRequiredTypeException ex) {
-        return String.format("Consider creating a bean with name %s of type %s",
-          ex.getBeanName(),
-          ex.getRequiredType().getName());
+        return String.format("Consider creating a bean with name %s of type %s", ex.getBeanName(), ex.getRequiredType()
+            .getName());
     }
 
 }

spring-boot/src/main/java/com/baeldung/git/CommitIdApplication.java

@@ -8,7 +8,7 @@ import org.springframework.core.io.ClassPathResource;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(scanBasePackages = { "com.baeldung.git" }, exclude=MySQLAutoconfiguration.class)
+@SpringBootApplication(scanBasePackages = { "com.baeldung.git" }, exclude = MySQLAutoconfiguration.class)
 public class CommitIdApplication {
     public static void main(String[] args) {
         SpringApplication.run(CommitIdApplication.class, args);

spring-boot/src/main/java/com/baeldung/graphql/GraphqlConfiguration.java

@@ -23,7 +23,7 @@ public class GraphqlConfiguration {
         }
         return new PostDao(posts);
     }
-    
+
     @Bean
     public AuthorDao authorDao() {
         List<Author> authors = new ArrayList<>();
@@ -36,12 +36,12 @@ public class GraphqlConfiguration {
         }
         return new AuthorDao(authors);
     }
-    
+
     @Bean
     public PostResolver postResolver(AuthorDao authorDao) {
         return new PostResolver(authorDao);
     }
-    
+
     @Bean
     public AuthorResolver authorResolver(PostDao postDao) {
         return new AuthorResolver(postDao);

spring-boot/src/main/java/com/baeldung/graphql/Mutation.java

@@ -13,7 +13,8 @@ public class Mutation implements GraphQLMutationResolver {
 
     public Post writePost(String title, String text, String category, String author) {
         Post post = new Post();
-        post.setId(UUID.randomUUID().toString());
+        post.setId(UUID.randomUUID()
+            .toString());
         post.setTitle(title);
         post.setText(text);
         post.setCategory(category);

spring-boot/src/main/java/com/baeldung/internationalization/InternationalizationApp.java

@@ -7,7 +7,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
 public class InternationalizationApp {
     @RolesAllowed("*")
     public static void main(String[] args) {

spring-boot/src/main/java/com/baeldung/intro/App.java

@@ -5,11 +5,9 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
-public class App 
-{
-    public static void main( String[] args )
-    {
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
+public class App {
+    public static void main(String[] args) {
         SpringApplication.run(App.class, args);
     }
 }

spring-boot/src/main/java/com/baeldung/intro/controller/HomeController.java

@@ -7,12 +7,12 @@ import org.springframework.web.bind.annotation.RestController;
 public class HomeController {
 
     @RequestMapping("/")
-    public String root(){
+    public String root() {
         return "Index Page";
     }
-    
+
     @RequestMapping("/local")
-    public String local(){
+    public String local() {
         return "/local";
     }
 }

spring-boot/src/main/java/com/baeldung/servlets/ApplicationMain.java

@@ -7,7 +7,7 @@ import org.springframework.boot.web.support.SpringBootServletInitializer;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
 public class ApplicationMain extends SpringBootServletInitializer {
 
     public static void main(String[] args) {

spring-boot/src/main/java/com/baeldung/servlets/configuration/WebMvcConfigure.java

@@ -26,10 +26,13 @@ public class WebMvcConfigure extends WebMvcConfigurerAdapter {
         configurer.enable();
     }
 
-
     @Override
     public void addResourceHandlers(ResourceHandlerRegistry registry) {
-        registry.addResourceHandler("/resources/**").addResourceLocations("/resources/").setCachePeriod(3600).resourceChain(true).addResolver(new PathResourceResolver());
+        registry.addResourceHandler("/resources/**")
+            .addResourceLocations("/resources/")
+            .setCachePeriod(3600)
+            .resourceChain(true)
+            .addResolver(new PathResourceResolver());
     }
 
     @Bean

spring-boot/src/main/java/com/baeldung/servlets/props/PropertySourcesLoader.java

@@ -10,7 +10,8 @@ import org.springframework.core.env.ConfigurableEnvironment;
 
 @Configuration
 @ComponentScan(basePackages = { "com.baeldung.servlets.*" })
-@PropertySource("classpath:custom.properties") public class PropertySourcesLoader {
+@PropertySource("classpath:custom.properties")
+public class PropertySourcesLoader {
 
     private static final Logger log = LoggerFactory.getLogger(PropertySourcesLoader.class);
 

spring-boot/src/main/java/com/baeldung/servlets/servlets/javaee/AnnotationServlet.java

@@ -7,14 +7,13 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 
-@WebServlet(name = "AnnotationServlet",
-    description = "Example Servlet Using Annotations",
-    urlPatterns = { "/annotationservlet" })
+@WebServlet(name = "AnnotationServlet", description = "Example Servlet Using Annotations", urlPatterns = { "/annotationservlet" })
 public class AnnotationServlet extends HttpServlet {
     private static final long serialVersionUID = 1L;
 
     @Override
     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-        request.getRequestDispatcher("/annotationservlet.jsp").forward(request, response);
+        request.getRequestDispatcher("/annotationservlet.jsp")
+            .forward(request, response);
     }
 }

spring-boot/src/main/java/com/baeldung/toggle/EmployeeRepository.java

@@ -2,6 +2,6 @@ package com.baeldung.toggle;
 
 import org.springframework.data.repository.CrudRepository;
 
-public interface EmployeeRepository extends CrudRepository<Employee, Long>{
+public interface EmployeeRepository extends CrudRepository<Employee, Long> {
 
 }

spring-boot/src/main/java/com/baeldung/toggle/MyFeatures.java

@@ -10,13 +10,15 @@ import org.togglz.core.context.FeatureContext;
 
 public enum MyFeatures implements Feature {
 
-    @Label("Employee Management Feature") @EnabledByDefault @DefaultActivationStrategy(id = SystemPropertyActivationStrategy.ID, 
-            parameters = { @ActivationParameter(name = SystemPropertyActivationStrategy.PARAM_PROPERTY_NAME, value = "employee.feature"),
-            @ActivationParameter(name = SystemPropertyActivationStrategy.PARAM_PROPERTY_VALUE, value = "true") }) 
+    @Label("Employee Management Feature")
+    @EnabledByDefault
+    @DefaultActivationStrategy(id = SystemPropertyActivationStrategy.ID, parameters = { @ActivationParameter(name = SystemPropertyActivationStrategy.PARAM_PROPERTY_NAME, value = "employee.feature"),
+            @ActivationParameter(name = SystemPropertyActivationStrategy.PARAM_PROPERTY_VALUE, value = "true") })
     EMPLOYEE_MANAGEMENT_FEATURE;
 
     public boolean isActive() {
-        return FeatureContext.getFeatureManager().isActive(this);
+        return FeatureContext.getFeatureManager()
+            .isActive(this);
     }
 
 }

spring-boot/src/main/java/com/baeldung/utils/UtilsApplication.java

@@ -8,13 +8,13 @@ import org.springframework.context.annotation.ComponentScan;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
-@ComponentScan(basePackages="com.baeldung.utils")
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
+@ComponentScan(basePackages = "com.baeldung.utils")
 public class UtilsApplication {
 
-	@RolesAllowed("*")
-	public static void main(String[] args) {
-            SpringApplication.run(UtilsApplication.class, args);
-	}
+    @RolesAllowed("*")
+    public static void main(String[] args) {
+        SpringApplication.run(UtilsApplication.class, args);
+    }
 
 }

spring-boot/src/main/java/com/baeldung/utils/controller/UtilsController.java

@@ -13,37 +13,37 @@ import org.springframework.web.util.WebUtils;
 @Controller
 public class UtilsController {
 
-	@GetMapping("/utils")
-	public String webUtils(Model model) {
-		return "utils";
-	}
-	
-	@PostMapping("/setParam")
-	public String post(HttpServletRequest request, Model model) {
-		String param = ServletRequestUtils.getStringParameter(request, "param", "DEFAULT");
-		
-//		Long param = ServletRequestUtils.getLongParameter(request, "param",1L);
-//		boolean param = ServletRequestUtils.getBooleanParameter(request, "param", true);
-//		double param = ServletRequestUtils.getDoubleParameter(request, "param", 1000);
-//		float param = ServletRequestUtils.getFloatParameter(request, "param", (float) 1.00);
-//		int param = ServletRequestUtils.getIntParameter(request, "param", 100);
-		
-//		try {
-//			ServletRequestUtils.getRequiredStringParameter(request, "param");
-//		} catch (ServletRequestBindingException e) {
-//			e.printStackTrace();
-//		}
-		
-		WebUtils.setSessionAttribute(request, "parameter", param);
-                model.addAttribute("parameter", "You set: "+(String) WebUtils.getSessionAttribute(request, "parameter"));
-		return "utils";
-	}
-	
-	@GetMapping("/other")
-	public String other(HttpServletRequest request, Model model) {
-		String param = (String) WebUtils.getSessionAttribute(request, "parameter");
-		model.addAttribute("parameter", param);
-		return "other";
-	}
-	
+    @GetMapping("/utils")
+    public String webUtils(Model model) {
+        return "utils";
+    }
+
+    @PostMapping("/setParam")
+    public String post(HttpServletRequest request, Model model) {
+        String param = ServletRequestUtils.getStringParameter(request, "param", "DEFAULT");
+
+        // Long param = ServletRequestUtils.getLongParameter(request, "param",1L);
+        // boolean param = ServletRequestUtils.getBooleanParameter(request, "param", true);
+        // double param = ServletRequestUtils.getDoubleParameter(request, "param", 1000);
+        // float param = ServletRequestUtils.getFloatParameter(request, "param", (float) 1.00);
+        // int param = ServletRequestUtils.getIntParameter(request, "param", 100);
+
+        // try {
+        // ServletRequestUtils.getRequiredStringParameter(request, "param");
+        // } catch (ServletRequestBindingException e) {
+        // e.printStackTrace();
+        // }
+
+        WebUtils.setSessionAttribute(request, "parameter", param);
+        model.addAttribute("parameter", "You set: " + (String) WebUtils.getSessionAttribute(request, "parameter"));
+        return "utils";
+    }
+
+    @GetMapping("/other")
+    public String other(HttpServletRequest request, Model model) {
+        String param = (String) WebUtils.getSessionAttribute(request, "parameter");
+        model.addAttribute("parameter", param);
+        return "other";
+    }
+
 }

spring-boot/src/main/java/com/baeldung/webjar/WebjarsdemoApplication.java

@@ -6,7 +6,7 @@ import org.springframework.context.annotation.ComponentScan;
 
 import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
 
-@SpringBootApplication(exclude=MySQLAutoconfiguration.class)
+@SpringBootApplication(exclude = MySQLAutoconfiguration.class)
 public class WebjarsdemoApplication {
 
     public static void main(String[] args) {