60 lines
2.2 KiB
Java
60 lines
2.2 KiB
Java
/**
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* Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com).
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springblade.core.cloud.http;
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import lombok.AllArgsConstructor;
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import org.springblade.core.cloud.header.BladeHttpHeadersContextHolder;
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import org.springblade.core.cloud.header.BladeFeignAccountGetter;
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import org.springblade.core.cloud.props.BladeFeignHeadersProperties;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpRequest;
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import org.springframework.http.client.ClientHttpRequestExecution;
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import org.springframework.http.client.ClientHttpRequestInterceptor;
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import org.springframework.http.client.ClientHttpResponse;
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import org.springframework.lang.Nullable;
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import java.io.IOException;
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/**
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* RestTemplateHeaderInterceptor 传递Request header
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*
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* @author L.cm
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*/
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@AllArgsConstructor
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public class RestTemplateHeaderInterceptor implements ClientHttpRequestInterceptor {
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@Nullable
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private final BladeFeignAccountGetter accountGetter;
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private final BladeFeignHeadersProperties properties;
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@Override
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public ClientHttpResponse intercept(
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HttpRequest request, byte[] bytes,
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ClientHttpRequestExecution execution) throws IOException {
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HttpHeaders headers = BladeHttpHeadersContextHolder.get();
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// 考虑2中情况 1. RestTemplate 不是用 hystrix 2. 使用 hystrix
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if (headers == null) {
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headers = BladeHttpHeadersContextHolder.toHeaders(accountGetter, properties);
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}
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if (headers != null && !headers.isEmpty()) {
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HttpHeaders httpHeaders = request.getHeaders();
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headers.forEach((key, values) -> {
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values.forEach(value -> httpHeaders.add(key, value));
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});
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}
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return execution.execute(request, bytes);
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}
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}
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