package com.java110.core.feign;
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import com.netflix.hystrix.exception.HystrixBadRequestException;
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import feign.Response;
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import feign.Util;
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import feign.codec.ErrorDecoder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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public class UserErrorDecoder implements ErrorDecoder {
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private Logger logger = LoggerFactory.getLogger(getClass());
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public Exception decode(String methodKey, Response response) {
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Exception exception = null;
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try {
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String json = Util.toString(response.body().asReader());
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logger.error("调用方法出现异常了："+json);
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exception = new RuntimeException(json);
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} catch (IOException ex) {
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logger.error(ex.getMessage(), ex);
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}
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// 这里只封装4开头的请求异常ß
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if (400 <= response.status() && response.status() < 500){
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exception = new HystrixBadRequestException("request exception wrapper", exception);
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}else{
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logger.error(exception.getMessage(), exception);
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}
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return exception;
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}
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}
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