com.itn.configuration.ProjectConfiguration.java Source code

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Here is the source code for com.itn.configuration.ProjectConfiguration.java

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package com.itn.configuration;

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.format.FormatterRegistry;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;
import org.springframework.web.servlet.view.UrlBasedViewResolver;
import org.springframework.web.servlet.view.tiles3.TilesConfigurer;
import org.springframework.web.servlet.view.tiles3.TilesView;
import org.springframework.web.servlet.view.tiles3.TilesViewResolver;

/**
 *
 * @author Hp
 */
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = "com.itn")
public class ProjectConfiguration extends WebMvcConfigurerAdapter {

    //    a converter who will be responsible for converting an id into an Object.This is required to handle one-to-many relationship in JSP. 
    //    During User creation, A User can be allocated multiple roles/userProfiles, and so we need a converter to map a particular role/userProfile 
    //to a user based on profile id. Below provided is the converter class.
    @Autowired
    RoleToUserProfileConverter roleToUserProfileConverter;

    //Converter is required while you have a enum class and where you want to convert an object to string
    //and then to Long or int
    @Override
    public void addFormatters(FormatterRegistry registry) {
        registry.addConverter(roleToUserProfileConverter);
    }

    @Bean
    public ViewResolver viewResolver() {
        UrlBasedViewResolver viewResolver = new UrlBasedViewResolver();
        viewResolver.setViewClass(TilesView.class);
        viewResolver.setOrder(0);
        return viewResolver;
    }

    //Creating a view resolver for Tiles View Resolver
    @Bean
    public TilesConfigurer tilesConfigurer() {
        TilesConfigurer tilesConfigurer = new TilesConfigurer();
        tilesConfigurer.setDefinitions(new String[] { "/WEB-INF/views/settingfiles/tiles.xml" });
        tilesConfigurer.setCheckRefresh(true);
        return tilesConfigurer;
    }

    @Override
    public void configureViewResolvers(ViewResolverRegistry registry) {
        InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
        viewResolver.setSuffix(".jsp");
        viewResolver.setPrefix("/WEB-INF/views/");
        viewResolver.setViewClass(JstlView.class);
        viewResolver.setOrder(1);//we need this when there is more than one resolver
        registry.viewResolver(viewResolver);

    }

    //    This is used to activate bootstrap or any extra resources such as css, bootstrap images etc
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/static/**").addResourceLocations("/static/");
    }

}