WebConfiguration.java

package chiralsoftware.exceltobarcode;

import java.util.logging.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.multipart.MultipartResolver;
import org.springframework.web.multipart.support.StandardServletMultipartResolver;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.spring4.SpringTemplateEngine;
import org.thymeleaf.spring4.templateresolver.SpringResourceTemplateResolver;
import org.thymeleaf.spring4.view.ThymeleafViewResolver;
import org.thymeleaf.templatemode.TemplateMode;
import org.thymeleaf.templateresolver.ITemplateResolver;

/**
 *
 */
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = {"chiralsoftware.exceltobarcode"})
public class WebConfiguration extends WebMvcConfigurerAdapter {

    private static final Logger LOG = Logger.getLogger(WebConfiguration.class.getName());
    
    @Autowired
    private ApplicationContext applicationContext;

    @Bean
    public ViewResolver viewResolver() {
        final ThymeleafViewResolver resolver = new ThymeleafViewResolver();
        resolver.setTemplateEngine(templateEngine());
        resolver.setCharacterEncoding("UTF-8");
//        resolver.setApplicationContext(applicationContext);
        return resolver;
    }

    private TemplateEngine templateEngine() {
        final SpringTemplateEngine engine = new SpringTemplateEngine();
        engine.setEnableSpringELCompiler(true);
        engine.setTemplateResolver(templateResolver());
        return engine;
    }
    

    private ITemplateResolver templateResolver() {
        final SpringResourceTemplateResolver resolver = new SpringResourceTemplateResolver();
        resolver.setApplicationContext(applicationContext);
        resolver.setPrefix("/WEB-INF/templates/");
        resolver.setSuffix(".html");
        resolver.setTemplateMode(TemplateMode.HTML);
//        resolver.setCacheable(false); // during development 
        return resolver;
    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }
    
    @Bean 
    public MultipartResolver multipartResolver() {
        return new StandardServletMultipartResolver();
    }
    
}