com.github.life.lab.leisure.common.feign.customiz.FeignConfiguration Maven / Gradle / Ivy
package com.github.life.lab.leisure.common.feign.customiz;
import com.github.life.lab.leisure.common.feign.customiz.code.ColorsErrorDecoder;
import com.github.life.lab.leisure.common.utils.JsonUtils;
import feign.codec.Decoder;
import feign.codec.Encoder;
import feign.codec.ErrorDecoder;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcRegistrations;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.cloud.openfeign.support.ResponseEntityDecoder;
import org.springframework.cloud.openfeign.support.SpringDecoder;
import org.springframework.cloud.openfeign.support.SpringEncoder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.AnnotatedElementUtils;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
/**
* Feign 配置
*
* @author weichao.li ([email protected])
* @date 2018/9/17
*/
@Configuration
public class FeignConfiguration {
@Bean
@ConditionalOnMissingBean(Decoder.class)
public Decoder feignDecoder() {
HttpMessageConverter jacksonConverter = new MappingJackson2HttpMessageConverter(JsonUtils.getObjectMapper());
ObjectFactory objectFactory = () -> new HttpMessageConverters(jacksonConverter);
return new ResponseEntityDecoder(new SpringDecoder(objectFactory));
}
@Bean
@ConditionalOnMissingBean(Encoder.class)
public Encoder feignEncoder() {
HttpMessageConverter jacksonConverter = new MappingJackson2HttpMessageConverter(JsonUtils.getObjectMapper());
ObjectFactory objectFactory = () -> new HttpMessageConverters(jacksonConverter);
return new SpringEncoder(objectFactory);
}
@Bean
@ConditionalOnMissingBean(ErrorDecoder.class)
public ErrorDecoder errorDecoder() {
return new ColorsErrorDecoder();
}
@Bean
public WebMvcRegistrations feignWebRegistrations() {
return new WebMvcRegistrations() {
@Override
public RequestMappingHandlerMapping getRequestMappingHandlerMapping() {
return new RequestMappingHandlerMapping() {
@Override
protected boolean isHandler(Class beanType) {
boolean flag = AnnotatedElementUtils.hasAnnotation(beanType, FeignClient.class);
return super.isHandler(beanType) && !flag;
}
};
}
};
}
}