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SpringCloud Feign请求头删除修改的操作代码

作者:三省同学

这篇文章主要介绍了SpringCloud Feign请求头删除修改,本文通过实例代码给大家介绍的非常详细,对大家的学习或工作具有一定的参考借鉴价值,需要的朋友可以参考下

Feign请求头修改删除操作

@Configuration
public class ClientConfiguration {
    @Bean
    public RequestInterceptor headerInterceptor() {
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate template) {
                HttpServletRequest httpServletRequest = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
                if (httpServletRequest.getRequestURI().contains(template.url())) {
                    try {
                        Field connectorField = ReflectionUtils.findField(SecurityContextHolderAwareRequestWrapper.class, "request");
                        connectorField.setAccessible(true);
                        FirewalledRequest firewalledRequest = (FirewalledRequest) connectorField.get(httpServletRequest);
                        if(Objects.isNull(firewalledRequest))
                            return;

                        Field firewalledField = ReflectionUtils.findField(FirewalledRequest.class, "request");
                        firewalledField.setAccessible(true);
                        RequestFacade requestFacade = (RequestFacade) firewalledField.get(firewalledRequest);
                        if(Objects.isNull(requestFacade))
                            return;

                        connectorField = ReflectionUtils.findField(RequestFacade.class, "request");
                        firewalledField.setAccessible(true);
                        Request connectorRequest = (Request) connectorField.get(requestFacade);
                        if(Objects.isNull(connectorRequest))
                            return;

                        Field coyoteField = ReflectionUtils.findField(Request.class, "coyoteRequest", org.apache.coyote.Request.class);
                        coyoteField.setAccessible(true);
                        org.apache.coyote.Request coyoteRequest = (org.apache.coyote.Request) coyoteField.get(connectorRequest);
                        if(Objects.isNull(coyoteRequest))
                            return;

                        Field mimeHeadersField = ReflectionUtils.findField(org.apache.coyote.Request.class, "headers", MimeHeaders.class);
                        mimeHeadersField.setAccessible(true);
                        MimeHeaders mimeHeaders = (MimeHeaders) mimeHeadersField.get(coyoteRequest);
                        mineHeadersHandle(mimeHeaders);
                    } catch (IllegalAccessException e) {
                        e.printStackTrace();
                    }
                    List<String> contentTypeList = Lists.newArrayList("application/json;charset=UTF-8");
                    Map<String, Collection<String>> headers = ImmutableMap.of(HttpHeaders.CONTENT_TYPE, contentTypeList);
                    template.headers(headers);
                }
            }
        };
    }

    protected static void mineHeadersHandle(MimeHeaders mimeHeaders) {
        mimeHeaders.removeHeader(HttpHeaders.CONTENT_TYPE);
    }
}

到此这篇关于SpringCloud Feign请求头删除修改的操作代码的文章就介绍到这了,更多相关SpringCloud Feign请求头内容请搜索脚本之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持脚本之家!

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