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    • com.centit.framework.config.BaseSpringMvcConfig Maven / Gradle / Ivy

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    package com.centit.framework.config;

import com.alibaba.fastjson.parser.Feature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import com.centit.framework.core.controller.WrapUpResponseBodyReturnValueHandler;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by zou_wy on 2017/3/29.
 */
@EnableWebMvc
@EnableAspectJAutoProxy(proxyTargetClass = true)
public class BaseSpringMvcConfig extends WebMvcConfigurerAdapter  implements ApplicationContextAware {

    private HttpMessageConverter jsonHttpMessageConverter = null;

    private synchronized HttpMessageConverter fastJsonHttpMessageConverter(){
        if(jsonHttpMessageConverter != null){
            return jsonHttpMessageConverter;
        }
        FastJsonHttpMessageConverter fastJsonHttpMessageConverter =
                new FastJsonHttpMessageConverter();
        List supportedMediaTypes = new ArrayList<>();
        supportedMediaTypes.add(MediaType.APPLICATION_JSON);
        supportedMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);

        fastJsonHttpMessageConverter.setSupportedMediaTypes(supportedMediaTypes);

        FastJsonConfig fastJsonConfig = new FastJsonConfig();
        fastJsonConfig.setFeatures(Feature.AllowArbitraryCommas,Feature.AllowUnQuotedFieldNames,
                Feature.DisableCircularReferenceDetect);
        fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");

        fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
        jsonHttpMessageConverter = fastJsonHttpMessageConverter;
        return jsonHttpMessageConverter;
    }

    @Override
    public void configureMessageConverters(List> converters) {
        converters.add(fastJsonHttpMessageConverter());
        converters.add(new StringHttpMessageConverter(Charset.forName("UTF-8")));
    }

    @Override
    public void configureViewResolvers(ViewResolverRegistry registry) {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setViewClass(org.springframework.web.servlet.view.JstlView.class);
        resolver.setPrefix("/WEB-INF/jsp/");
        resolver.setSuffix(".jsp");
        registry.viewResolver(resolver);
    }

    /**
     * {@inheritDoc}
     * 
    This implementation is empty.
     */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("classpath:messagesource/base/messages/**");
    }

    /**
     * 重型排序 return Value Handlers
     * @param applicationContext 应用环境上下文
     * @throws BeansException 异常
     */
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        RequestMappingHandlerAdapter requestMappingHandlerAdapter =
            applicationContext.getBean(RequestMappingHandlerAdapter.class);

        List sortedHandlers = new ArrayList<>(20);
        List defaultHandlers = requestMappingHandlerAdapter.getReturnValueHandlers();

        // 建议都使用框架的这个注解处理，为了提高性能可以放在最前面：
        sortedHandlers.add(new WrapUpResponseBodyReturnValueHandler(fastJsonHttpMessageConverter()));
        sortedHandlers.addAll(defaultHandlers);
        // 下面的代码式 放到 Spring 定义的  Annotation-based 组中 排在 sortedHandlers 后面
        /*for(HandlerMethodReturnValueHandler handler : defaultHandlers ){
            sortedHandlers.add(handler);
            if(handler instanceof RequestResponseBodyMethodProcessor){
                sortedHandlers.add(new WrapUpResponseBodyReturnValueHandler(fastJsonHttpMessageConverter()));
            }
        }*/
        requestMappingHandlerAdapter.setReturnValueHandlers(sortedHandlers);
    }

    /*@Override
    public void configureHandlerExceptionResolvers(List exceptionResolvers) {
        exceptionResolvers.add(new GlobalHandlerExceptionResolver());
    }*/
}
    
    
    
    

    




    
    
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