package com.yami.trading.common.handler;
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import cn.hutool.core.util.CharsetUtil;
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import com.yami.trading.common.domain.Result;
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import com.yami.trading.common.exception.YamiShopBindException;
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import com.yami.trading.common.util.Json;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.http.MediaType;
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import org.springframework.stereotype.Component;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.io.PrintWriter;
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/**
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* @author 菠萝凤梨
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* @date 2022/3/28 14:15
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*/
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@Component
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public class HttpHandler {
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private static final Logger logger = LoggerFactory.getLogger(HttpHandler.class);
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public <T> void printServerResponseToWeb(String str, int status) {
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ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder
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.getRequestAttributes();
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if (requestAttributes == null) {
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logger.error("requestAttributes is null, can not print to web");
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return;
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}
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HttpServletResponse response = requestAttributes.getResponse();
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if (response == null) {
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logger.error("httpServletResponse is null, can not print to web");
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return;
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}
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logger.error("response error: " + str);
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response.setCharacterEncoding(CharsetUtil.UTF_8);
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response.setContentType(MediaType.APPLICATION_JSON_VALUE);
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response.setStatus(200);
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PrintWriter printWriter = null;
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try {
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printWriter = response.getWriter();
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Result result=new Result();
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result.setCode(status);
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result.setMsg(str);
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printWriter.write(Json.toJsonString(result));
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}
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catch (IOException e) {
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throw new YamiShopBindException("io 异常", e);
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}
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}
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}
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