webconfig

WebConfig

package config;

import org.springframework.context.MessageSource;
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.util.StringUtils;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.i18n.CookieLocaleResolver;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;

@Configuration
@EnableWebMvc
@ComponentScan(basePackages = {"com.test.app.controller"})
public class WebConfig extends WebMvcConfigurerAdapter{

	@Override
	public void addResourceHandlers(ResourceHandlerRegistry registry) {
		registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
	}
	
	@Override
	public void addInterceptors(InterceptorRegistry registry) {
		LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
		localeChangeInterceptor.setParamName("lang");
		registry.addInterceptor(localeChangeInterceptor);
	}
	
	@Bean
	public LocaleResolver localeResolver(){
		CookieLocaleResolver cookieLocaleResolver = new CookieLocaleResolver();
		cookieLocaleResolver.setDefaultLocale(StringUtils.parseLocaleString("en"));
		return cookieLocaleResolver;
	}
	
	@Bean
	public ViewResolver viewResolver(){
		InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
		viewResolver.setViewClass(JstlView.class);
		viewResolver.setPrefix("/WEB-INF/views");
		viewResolver.setSuffix(".jsp");
		return viewResolver;
	}
	
	@Bean
	public MessageSource messageSource() {

		ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
		messageSource.setBasenames("classpath:messages/messages", "classpath:messages/validation");
		messageSource.setUseCodeAsDefaultMessage(true);
		messageSource.setDefaultEncoding("UTF-8");
		messageSource.setCacheSeconds(0);
		return messageSource;
	}

}

WebInitializer

package config;

import javax.servlet.Filter;
import org.springframework.web.filter.CharacterEncodingFilter;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

public class WebInitializer extends AbstractAnnotationConfigDispatcherServletInitializer{

	@Override
	protected Class<?>[] getRootConfigClasses() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	protected Class<?>[] getServletConfigClasses() {
		return new Class<?>[] { WebConfig.class };
	}

	@Override
	protected String[] getServletMappings() {
		return new String[] { "/" };
	}
	
	@Override
	protected Filter[] getServletFilters() {

		CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
		characterEncodingFilter.setEncoding("UTF-8");
		return new Filter[] { characterEncodingFilter };
	}

}