org.zlogic.vogon.web.WebConfig.java Source code

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Here is the source code for org.zlogic.vogon.web.WebConfig.java

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/*
 * Vogon personal finance/expense analyzer.
 * Licensed under Apache license: http://www.apache.org/licenses/LICENSE-2.0
 * Author: Dmitry Zolotukhin <zlogic@gmail.com>
 */
package org.zlogic.vogon.web;

import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.ByteArrayHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.security.web.bind.support.AuthenticationPrincipalArgumentResolver;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

/**
 * Spring boot annotations configuration
 *
 * @author Dmitry Zolotukhin [zlogic@gmail.com]
 */
@Configuration
public class WebConfig extends WebMvcConfigurerAdapter {

    /**
     * The customized MappingJackson2HttpMessageConverter instance
     */
    @Autowired
    private MappingJackson2HttpMessageConverter jacksonMessageConverter;

    /**
     * Adds view controllers to the registry
     *
     * @param registry the registry
     */
    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        super.addViewControllers(registry);
        registry.addViewController("/").setViewName("index"); //NOI18N
    }

    /**
     * Returns the view resolver
     *
     * @return the view resolver
     */
    @Bean
    public ViewResolver getViewResolver() {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/"); //NOI18N
        resolver.setSuffix(".jsp"); //NOI18N
        return resolver;
    }

    /**
     * Configures resource handlers by auto-enabling the WebJarsResourceResolver
     *
     * @param registry ResourceHandlerRegistry instance
     */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        //TODO: remove this and use "spring.resources.chain.enabled:true" in application.properties when upgrading Spring Boot
        super.addResourceHandlers(registry);
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/")
                .resourceChain(true);
    }

    /**
     * Configures message converters and adds the customized JSON converter
     *
     * @param converters the converters list to use
     */
    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        converters.add(jacksonMessageConverter);
        converters.add(new ByteArrayHttpMessageConverter());
        super.configureMessageConverters(converters);
    }

    /**
     * Adds argument resolvers and adds the
     * AuthenticationPrincipalArgumentResolver
     *
     * @param argumentResolvers list of argument resolvers to add
     */
    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
        argumentResolvers.add(new AuthenticationPrincipalArgumentResolver());
        super.addArgumentResolvers(argumentResolvers);
    }

    /**
     * Enable default servlet handler
     *
     * @param configurer DefaultServletHandlerConfigurer instance
     */
    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }
}