88e030b7
 王彪总
init project
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package com.java110.config.feign;
import com.netflix.hystrix.exception.HystrixBadRequestException;
import feign.Response;
import feign.Util;
import feign.codec.ErrorDecoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
/**
* 自定义异常解析
*/
public class UserErrorDecoder implements ErrorDecoder {
private static final int HTTP_STATUS_400 = 400;
private Logger logger = LoggerFactory.getLogger(getClass());
/**
* 异常解析 在 SynchronousMethodHandler 类 134 号调用
*
* @param methodKey 方法key
* @param response 返回对象
* @return 返回异常
*/
public Exception decode(String methodKey, Response response) {
Exception exception = null;
try {
String json = Util.toString(response.body().asReader());
logger.error("调用方法出现异常了：" + json);
exception = new RuntimeException(json);
// 这里只封装4开头的请求异常ß && response.status() < 500
if (HTTP_STATUS_400 <= response.status()) {
exception = new HystrixBadRequestException("请求参数错误：" + json, exception);
} else {
logger.error(exception.getMessage(), exception);
}
} catch (IOException ex) {
logger.error(ex.getMessage(), ex);
}
return exception;
}
}
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