WebMvcConfig.java

/*
 * Copyright 2002-2014 the original author or authors.
 *
 * 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 sample.ui.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.embedded.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.springframework.web.filter.HiddenHttpMethodFilter;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.webflow.mvc.servlet.FlowHandlerAdapter;
import org.springframework.webflow.mvc.servlet.FlowHandlerMapping;
import org.thymeleaf.spring4.SpringTemplateEngine;
import org.thymeleaf.spring4.view.AjaxThymeleafViewResolver;
import org.thymeleaf.spring4.view.FlowAjaxThymeleafView;

import sample.ui.model.Vets;
import sample.ui.view.XmlViewResolver;

/**
 * Configures View-related items.
 *
 * @author Arnaldo Piccinelli
 */
@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {

	@Autowired
	private WebFlowConfig webFlowConfig;

	@Autowired
	private SpringTemplateEngine springTemplateEngine;

	@Override
	public void addViewControllers(ViewControllerRegistry registry) {
		registry.addViewController("/login").setViewName("login");
		registry.addViewController("/access").setViewName("access");
		registry.setOrder(Ordered.HIGHEST_PRECEDENCE);
	}

	@Override
	public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
		configurer.favorPathExtension(true).favorParameter(true);
	}

	@Bean(name = "marshallingXmlViewResolver")
	public ViewResolver getMarshallingXmlViewResolver() {
		Jaxb2Marshaller marshaller = new Jaxb2Marshaller();
		marshaller.setClassesToBeBound(new Class[] { Vets.class });
		return new XmlViewResolver(marshaller);
	}

	@Bean
	public FilterRegistrationBean hiddenFilterRegistrationBean() {
		return new FilterRegistrationBean(new HiddenHttpMethodFilter());
	}

	@Bean
	public FlowHandlerMapping flowHandlerMapping() {
		FlowHandlerMapping handlerMapping = new FlowHandlerMapping();
		handlerMapping.setOrder(-1);
		handlerMapping.setFlowRegistry(this.webFlowConfig.flowRegistry());
		return handlerMapping;
	}

	@Bean
	public FlowHandlerAdapter flowHandlerAdapter() {
		FlowHandlerAdapter handlerAdapter = new FlowHandlerAdapter();
		handlerAdapter.setFlowExecutor(this.webFlowConfig.flowExecutor());
		handlerAdapter.setSaveOutputToFlashScopeOnRedirect(true);
		return handlerAdapter;
	}

	@Bean
	public AjaxThymeleafViewResolver ajaxThymeleafViewResolver() {
		AjaxThymeleafViewResolver viewResolver = new AjaxThymeleafViewResolver();
		viewResolver.setViewClass(FlowAjaxThymeleafView.class);
		viewResolver.setTemplateEngine(springTemplateEngine);
		return viewResolver;
	}
}