آماده سازی جاوا – قسمت 3

   import org.springframework.boot.SpringApplication;
   import org.springframework.boot.autoconfigure.SpringBootApplication;
   import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;

   @SpringBootApplication(exclude = {SecurityAutoConfiguration.class})
   public class MyApplication {

       public static void main(String[] args) {
           SpringApplication.run(MyApplication.class, args);
       }
   }

   import org.springframework.context.annotation.Configuration;
   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 {
           // Customize your security configuration here
           http
               .authorizeRequests()
                   .antMatchers("/public/**").permitAll()
                   .anyRequest().authenticated()
                   .and()
               .formLogin()
                   .loginPage("/login")
                   .permitAll()
                   .and()
               .logout()
                   .permitAll();
       }
   }

   spring.main.banner-mode=OFF

   import org.springframework.boot.Banner;
   import org.springframework.boot.SpringApplication;
   import org.springframework.boot.autoconfigure.SpringBootApplication;

   @SpringBootApplication
   public class MyApplication {

       public static void main(String[] args) {
           SpringApplication app = new SpringApplication(MyApplication.class);
           app.setBannerMode(Banner.Mode.OFF);
           app.run(args);
       }
   }

import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;

@Service
public class UserService {

    @Cacheable(value = "usersCache", key = "#userId")
    public User getUserDetails(Long userId) {
        // Simulate fetching user details from a database
        User user = userRepository.findById(userId);
        return user;
    }
}

# Enable caching
spring.cache.type=ehcache

import java.io.Serializable;

public class Book implements Serializable {
    private String isbn;
    private String title;
    private String author;

    // Getters and setters (omitted for brevity)

    @Override
    public String toString() {
        return "Book{" +
                "isbn='" + isbn + '\'' +
                ", title="" + title + "\'' +
                ", author="" + author + "\'' +
                '}';
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

@Service
public class BookService {

    private static final String REDIS_KEY = "books";

    @Autowired
    private RedisTemplate<String, Book> redisTemplate;

    public void saveBook(Book book) {
        redisTemplate.opsForHash().put(REDIS_KEY, book.getIsbn(), book);
    }

    public Book getBook(String isbn) {
        return (Book) redisTemplate.opsForHash().get(REDIS_KEY, isbn);
    }

    public void deleteBook(String isbn) {
        redisTemplate.opsForHash().delete(REDIS_KEY, isbn);
    }
}