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    • cn.ocoop.spring.SpringMvcConfig Maven / Gradle / Ivy

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    package cn.ocoop.spring;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.databind.deser.std.StringDeserializer;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.DefaultSerializerProvider;
import org.apache.commons.lang3.StringUtils;
import org.hibernate.validator.HibernateValidator;
import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.context.support.ReloadableResourceBundleMessageSource;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.stereotype.Controller;
import org.springframework.validation.Validator;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;

@Configuration
@EnableWebMvc
@ComponentScan(
        basePackages = "cn.ocoop.spring,${springmvc.basePackages}",
        useDefaultFilters = false,
        includeFilters = {
                @ComponentScan.Filter(
                        type = FilterType.ANNOTATION,
                        value = {ControllerAdvice.class, Controller.class, RestControllerAdvice.class, RestController.class}
                ),
                @ComponentScan.Filter(
                        type = FilterType.ASSIGNABLE_TYPE,
                        value = {WebMvcConfigurerAdapter.class}
                )
        }
)
public class SpringMvcConfig extends WebMvcConfigurerAdapter {

    @Override
    public void configureMessageConverters(List> converters) {
        MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter(
                new ObjectMapper() {
                    {
                        DefaultSerializerProvider.Impl sp = new DefaultSerializerProvider.Impl();
                        sp.setNullValueSerializer(new JsonSerializer() {
                            public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
                                jgen.writeString("");
                            }
                        });
                        this.setSerializerProvider(sp);
                        this.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
                        this.registerModule(new SimpleModule().addDeserializer(String.class, new StdDeserializer(String.class) {
                            public String deserialize(JsonParser p, DeserializationContext deserializationContext) throws IOException {
                                String result = StringDeserializer.instance.deserialize(p, deserializationContext);
                                if (StringUtils.isEmpty(result)) return null;
                                return result;
                            }
                        }));

                    }
                }
        );
        mappingJackson2HttpMessageConverter.setSupportedMediaTypes(Arrays.asList(MediaType.ALL));
        converters.add(mappingJackson2HttpMessageConverter);
    }

    @Bean
    public CommonsMultipartResolver multipartResolver() {
        return new CommonsMultipartResolver();
    }

    @Bean
    public RequestMappingHandlerMapping requestMappingHandlerMapping() {
        RequestMappingHandlerMapping requestMappingHandlerMapping = new RequestMappingHandlerMapping();
        requestMappingHandlerMapping.setRemoveSemicolonContent(false);
        return requestMappingHandlerMapping;
    }

    @Override
    public Validator getValidator() {
        return validator();
    }

    @Bean
    public LocalValidatorFactoryBean validator() {
        LocalValidatorFactoryBean localValidatorFactoryBean = new LocalValidatorFactoryBean();
        localValidatorFactoryBean.setProviderClass(HibernateValidator.class);
        localValidatorFactoryBean.setValidationMessageSource(messageSource());
        return localValidatorFactoryBean;
    }


    @Bean
    public MessageSource messageSource() {
        ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
        messageSource.setBasename("classpath:messages");
        messageSource.setDefaultEncoding("UTF-8");
        return messageSource;
    }
}
    
    
    
    

    




    
    
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