/*
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* Copyright (c) 2018-2028, DreamLu All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: DreamLu 卢春梦 (596392912@qq.com)
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*/
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package org.springblade.core.cloud.feign;
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import feign.RequestInterceptor;
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import feign.RequestTemplate;
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import org.springblade.core.tool.constant.BladeConstant;
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import org.springblade.core.tool.utils.ThreadLocalUtil;
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import org.springframework.http.HttpHeaders;
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/**
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* feign 传递Request header
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*
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* <p>
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* https://blog.csdn.net/u014519194/article/details/77160958
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* http://tietang.wang/2016/02/25/hystrix/Hystrix%E5%8F%82%E6%95%B0%E8%AF%A6%E8%A7%A3/
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* https://github.com/Netflix/Hystrix/issues/92#issuecomment-260548068
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* </p>
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*
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* @author L.cm
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*/
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public class BladeFeignRequestInterceptor implements RequestInterceptor {
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@Override
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public void apply(RequestTemplate requestTemplate) {
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HttpHeaders headers = ThreadLocalUtil.get(BladeConstant.CONTEXT_KEY);
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if (headers != null && !headers.isEmpty()) {
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headers.forEach((key, values) ->
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values.forEach(value -> requestTemplate.header(key, value))
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);
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}
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}
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}
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