org.fede.calculator.web.MvcConfig.java Source code

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Here is the source code for org.fede.calculator.web.MvcConfig.java

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/*
 * Copyright (C) 2016 Federico Tello Gentile <federicotg@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.fede.calculator.web;

import java.util.Arrays;
import java.util.Collections;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.validation.Validator;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.web.accept.ContentNegotiationManager;
import org.springframework.web.accept.PathExtensionContentNegotiationStrategy;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
import org.springframework.web.servlet.view.ContentNegotiatingViewResolver;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.json.MappingJackson2JsonView;

/**
 *
 * @author Federico Tello Gentile <federicotg@gmail.com>
 */
@EnableWebMvc
@Configuration
@ComponentScan(basePackages = { "org.fede.calculator.web.controller" })
public class MvcConfig extends WebMvcConfigurerAdapter {

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

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }

    @Bean
    public InternalResourceViewResolver viewResolver() {
        InternalResourceViewResolver bean = new InternalResourceViewResolver();
        bean.setPrefix("/WEB-INF/jsp/");
        bean.setSuffix(".jsp");
        bean.setOrder(1);
        return bean;
    }

    @Bean
    public ContentNegotiatingViewResolver cnResolver() {
        ContentNegotiatingViewResolver bean = new ContentNegotiatingViewResolver();
        bean.setOrder(0);
        bean.setContentNegotiationManager(new ContentNegotiationManager(new PathExtensionContentNegotiationStrategy(
                Collections.singletonMap("json", MediaType.APPLICATION_JSON))));

        MappingJackson2JsonView jacksonView = new MappingJackson2JsonView();
        jacksonView.setExtractValueFromSingleKeyModel(true);

        bean.setDefaultViews(Arrays.asList(new View[] { jacksonView }));
        return bean;
    }

    @Bean
    public AcceptHeaderLocaleResolver localeResolver() {
        return new AcceptHeaderLocaleResolver();
    }

    @Bean
    public RequestMappingHandlerMapping handlerMapping() {
        return new RequestMappingHandlerMapping();
    }

    @Override
    public Validator getValidator() {
        return new LocalValidatorFactoryBean();
    }

}