| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.servicecomb.provider.springmvc.reference; |
| |
| import java.util.concurrent.CompletableFuture; |
| |
| import org.apache.servicecomb.common.rest.RestConst; |
| import org.apache.servicecomb.common.rest.filter.HttpClientFilter; |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.foundation.vertx.http.HttpServletRequestEx; |
| import org.apache.servicecomb.foundation.vertx.http.HttpServletResponseEx; |
| import org.apache.servicecomb.swagger.invocation.Response; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.http.HttpHeaders; |
| |
| public class RestTemplateCopyHeaderFilter implements HttpClientFilter { |
| private static final Logger LOGGER = LoggerFactory.getLogger(RestTemplateCopyHeaderFilter.class); |
| |
| @Override |
| public int getOrder() { |
| return -10000; |
| } |
| |
| @Override |
| public CompletableFuture<Void> beforeSendRequestAsync(Invocation invocation, HttpServletRequestEx requestEx) { |
| HttpHeaders httpHeaders = (HttpHeaders) invocation.getHandlerContext().get(RestConst.CONSUMER_HEADER); |
| if (httpHeaders == null) { |
| return CompletableFuture.completedFuture(null); |
| } |
| |
| httpHeaders.forEach((key, values) -> { |
| if (HttpHeaders.CONTENT_LENGTH.equalsIgnoreCase(key)) { |
| LOGGER.debug("skip copy content-length into request"); |
| return; |
| } |
| |
| for (String value : values) { |
| // null args should not be set to requestEx to avoid NullPointerException in Netty. |
| if (null == value) { |
| LOGGER.debug("header value is null, key = [{}]. Will not set this header into request", key); |
| continue; |
| } |
| requestEx.addHeader(key, value); |
| } |
| }); |
| return CompletableFuture.completedFuture(null); |
| } |
| |
| @Override |
| public Response afterReceiveResponse(Invocation invocation, HttpServletResponseEx responseEx) { |
| return null; |
| } |
| } |