ApplicationContextConfig.java Source code

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Here is the source code for ApplicationContextConfig.java

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import javax.sql.DataSource;
import org.apache.commons.dbcp2.BasicDataSource;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.orm.hibernate4.HibernateTransactionManager;
import org.springframework.orm.hibernate4.LocalSessionFactoryBuilder;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

/**
 *this class is responsible for all the application configuration settings and beans
 *represents spring's XML configuration file
 *
 * @author lejin
 */
@Configuration
@ComponentScan({ "info.lejin.raphael.dao", "info.lejin.raphael.controller" })
@EnableTransactionManagement
@EnableWebMvc
public class ApplicationContextConfig extends WebMvcConfigurerAdapter {

    @Bean
    public DataSource getDataSource() {
        BasicDataSource basicDataSource = new BasicDataSource();
        basicDataSource.setDriverClassName("com.mysql.jdbc.Driver");
        basicDataSource.setUrl("jdbc:mysql://localhost:3306/raphael");
        basicDataSource.setUsername("root");
        basicDataSource.setPassword("root");
        return basicDataSource;
    }

    @Bean
    @Autowired
    public SessionFactory getSessionFactory(DataSource dataSource) {
        LocalSessionFactoryBuilder localSessionFactoryBuilder = new LocalSessionFactoryBuilder(dataSource);
        localSessionFactoryBuilder.scanPackages("info.lejin.raphael.model");
        localSessionFactoryBuilder.setProperty("hibernate.show_sql", "true");
        localSessionFactoryBuilder.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
        return localSessionFactoryBuilder.buildSessionFactory();
    }

    @Bean(name = "transactionManager")
    @Autowired
    public HibernateTransactionManager getTransactionManager(SessionFactory sessionFactory) {
        HibernateTransactionManager transactionManager = new HibernateTransactionManager(sessionFactory);
        return transactionManager;
    }

    @Bean(name = "viewResolver")
    public InternalResourceViewResolver getViewResolver() {
        InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
        viewResolver.setPrefix("/WEB-INF/views/");
        viewResolver.setSuffix(".jsp");
        return viewResolver;
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
    }

}