WebConfig.java

/*
 * Copyright 2012 Alexander Shabanov - http://alexshabanov.com.
 * 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 com.alexshabanov.springrestapi.config;

import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJacksonHttpMessageConverter;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
import org.springframework.web.servlet.view.JstlView;
import org.springframework.web.servlet.view.UrlBasedViewResolver;

import java.util.List;

/**
 * Web application configuration.
 */
@Configuration
public class WebConfig extends WebMvcConfigurationSupport {

    @Bean
    public ViewResolver viewResolver() {
        UrlBasedViewResolver viewResolver = new UrlBasedViewResolver();
        viewResolver.setViewClass(JstlView.class);
        viewResolver.setPrefix("/WEB-INF/views/");
        viewResolver.setSuffix(".jsp");
        return viewResolver;
    }

    @Bean
    @Override
    public RequestMappingHandlerMapping requestMappingHandlerMapping() {
        RequestMappingHandlerMapping handlerMapping = super.requestMappingHandlerMapping();
        handlerMapping.setAlwaysUseFullPath(true);
        return handlerMapping;
    }

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        final MappingJacksonHttpMessageConverter jacksonHttpMessageConverter = new MappingJacksonHttpMessageConverter();
        jacksonHttpMessageConverter.getObjectMapper().setSerializationInclusion(JsonSerialize.Inclusion.NON_NULL);
        converters.add(jacksonHttpMessageConverter);
    }
}