it.f2informatica.webapp.WebApplicationConfig.java Source code

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Here is the source code for it.f2informatica.webapp.WebApplicationConfig.java

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/*
 * =============================================================================
 *
 *   Copyright (c) 2014, Fernando Aspiazu
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 * =============================================================================
 */
package it.f2informatica.webapp;

import it.f2informatica.pagination.DatePatterns;
import it.f2informatica.webapp.handler.Pages;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.ReloadableResourceBundleMessageSource;
import org.springframework.data.web.PageableHandlerMethodArgumentResolver;
import org.springframework.data.web.config.EnableSpringDataWebSupport;
import org.springframework.format.datetime.DateFormatter;
import org.springframework.format.datetime.DateFormatterRegistrar;
import org.springframework.format.datetime.DateTimeFormatAnnotationFormatterFactory;
import org.springframework.format.number.NumberFormatAnnotationFormatterFactory;
import org.springframework.format.support.DefaultFormattingConversionService;
import org.springframework.format.support.FormattingConversionService;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.multipart.support.StandardServletMultipartResolver;
import org.springframework.web.servlet.config.annotation.*;
import org.springframework.web.servlet.i18n.CookieLocaleResolver;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.view.BeanNameViewResolver;
import org.thymeleaf.spring4.SpringTemplateEngine;
import org.thymeleaf.spring4.view.ThymeleafViewResolver;
import org.thymeleaf.templateresolver.ServletContextTemplateResolver;

import java.util.List;

@Configuration
@EnableWebMvc
@EnableSpringDataWebSupport
@ComponentScan(basePackages = { "it.f2informatica.webapp" })
public class WebApplicationConfig extends WebMvcConfigurerAdapter {
    public static final String GLOBAL_DATE_FORMAT = DatePatterns.GLOBAL_DATE_FORMAT;
    public static final String CURRENT_LOCALE_COOKIE = "CURRENT_LOCALE";
    public static final String LANGUAGE = "siteLanguage";

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

    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
        argumentResolvers.add(new PageableHandlerMethodArgumentResolver());
    }

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("redirect:/home");
        registry.addViewController("/404").setViewName(Pages.PAGE_NOT_FOUND);
        registry.addViewController("/500").setViewName(Pages.SERVER_ERROR);
    }

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

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(localeChangeInterceptor());
    }

    @Bean
    public LocaleChangeInterceptor localeChangeInterceptor() {
        LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
        localeChangeInterceptor.setParamName(LANGUAGE);
        return localeChangeInterceptor;
    }

    @Bean
    public CookieLocaleResolver localeResolver() {
        CookieLocaleResolver cookieLocaleResolver = new CookieLocaleResolver();
        cookieLocaleResolver.setCookieName(CURRENT_LOCALE_COOKIE);
        return cookieLocaleResolver;
    }

    @Bean
    public StandardServletMultipartResolver multipartResolver() {
        return new StandardServletMultipartResolver();
    }

    @Bean
    public BeanNameViewResolver beanNameViewResolver() {
        BeanNameViewResolver viewResolver = new BeanNameViewResolver();
        viewResolver.setOrder(1);
        return viewResolver;
    }

    @Bean
    public ThymeleafViewResolver thymeleafViewResolver() {
        ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
        viewResolver.setTemplateEngine(thymeleafTemplateEngine());
        viewResolver.setCharacterEncoding("UTF-8");
        viewResolver.setOrder(2);
        return viewResolver;
    }

    @Bean
    public SpringTemplateEngine thymeleafTemplateEngine() {
        SpringTemplateEngine templateEngine = new SpringTemplateEngine();
        templateEngine.setTemplateResolver(thymeleafTemplateResolver());
        return templateEngine;
    }

    @Bean
    public ServletContextTemplateResolver thymeleafTemplateResolver() {
        ServletContextTemplateResolver templateResolver = new ServletContextTemplateResolver();
        templateResolver.setPrefix("/WEB-INF/views/");
        templateResolver.setSuffix(".html");
        templateResolver.setTemplateMode("HTML5");
        templateResolver.setCharacterEncoding("UTF-8");
        // Uncomment these lines in order to use
        // cache when resolving templates.
        templateResolver.setCacheable(false);
        templateResolver.setCacheTTLMs(0L);
        // -------------------------------------
        return templateResolver;
    }

    @Bean
    public ReloadableResourceBundleMessageSource messageSource() {
        ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
        messageSource.setBasenames(basenames());
        messageSource.setDefaultEncoding("UTF-8");
        messageSource.setCacheSeconds(1);
        messageSource.setFallbackToSystemLocale(false);
        return messageSource;
    }

    private String[] basenames() {
        return new String[] { "/WEB-INF/i18n/global", "/WEB-INF/i18n/user", "/WEB-INF/i18n/consultant",
                "/WEB-INF/i18n/months", "/WEB-INF/i18n/language" };
    }

    @Bean
    public FormattingConversionService mvcConversionService() {
        DefaultFormattingConversionService conversionService = new DefaultFormattingConversionService(false);
        addFormattersForFieldAnnotation(conversionService);
        DateFormatterRegistrar registrar = new DateFormatterRegistrar();
        registrar.setFormatter(new DateFormatter(GLOBAL_DATE_FORMAT));
        registrar.registerFormatters(conversionService);
        return conversionService;
    }

    private void addFormattersForFieldAnnotation(DefaultFormattingConversionService conversionService) {
        conversionService.addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());
        conversionService.addFormatterForFieldAnnotation(new DateTimeFormatAnnotationFormatterFactory());
    }

}