upgrade bootstrap project

spring-boot-bootstrap/src/main/java/org/baeldung/config/SecurityConfig.java

@@ -0,0 +1,20 @@
+package org.baeldung.config;
+
+import org.springframework.context.annotation.Configuration;
+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;
+
+@Configuration
+@EnableWebSecurity
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .anyRequest()
+            .permitAll()
+            .and().csrf().disable();
+    }
+
+}

spring-boot-bootstrap/src/main/java/org/baeldung/persistence/repo/BookRepository.java

@@ -8,5 +8,4 @@ import java.util.Optional;
 
 public interface BookRepository extends CrudRepository<Book, Long> {
     List<Book> findByTitle(String title);
-    Optional<Book> findOne(long id);
 }

spring-boot-bootstrap/src/main/java/org/baeldung/web/BookController.java

@@ -6,6 +6,7 @@ import org.baeldung.web.exception.BookIdMismatchException;
 import org.baeldung.web.exception.BookNotFoundException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -37,21 +38,22 @@ public class BookController {
 
     @GetMapping("/{id}")
     public Book findOne(@PathVariable long id) {
-        return bookRepository.findOne(id)
+        return bookRepository.findById(id)
           .orElseThrow(BookNotFoundException::new);
     }
 
     @PostMapping
     @ResponseStatus(HttpStatus.CREATED)
     public Book create(@RequestBody Book book) {
-        return bookRepository.save(book);
+        Book book1 = bookRepository.save(book);
+        return book1;
     }
 
     @DeleteMapping("/{id}")
     public void delete(@PathVariable long id) {
-        bookRepository.findOne(id)
+        bookRepository.findById(id)
           .orElseThrow(BookNotFoundException::new);
-        bookRepository.delete(id);
+        bookRepository.deleteById(id);
     }
 
     @PutMapping("/{id}")
@@ -59,7 +61,7 @@ public class BookController {
         if (book.getId() != id) {
             throw new BookIdMismatchException();
         }
-        bookRepository.findOne(id)
+        bookRepository.findById(id)
           .orElseThrow(BookNotFoundException::new);
         return bookRepository.save(book);
     }

spring-boot-bootstrap/src/main/resources/application.properties

@@ -7,10 +7,8 @@ spring.thymeleaf.enabled=true
 spring.thymeleaf.prefix=classpath:/templates/
 spring.thymeleaf.suffix=.html
 
-security.basic.enabled=true
-security.user.name=john
-security.user.password=123
-
+spring.security.user.name=john
+spring.security.user.password=123
 
 spring.datasource.driver-class-name=org.h2.Driver
 spring.datasource.url=jdbc:h2:mem:bootapp;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE