| /* |
| * 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.transport.rest.client; |
| |
| import java.util.concurrent.CompletableFuture; |
| |
| import javax.annotation.Nonnull; |
| |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.core.filter.ConsumerFilter; |
| import org.apache.servicecomb.core.filter.FilterNode; |
| import org.apache.servicecomb.swagger.invocation.Response; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.stereotype.Component; |
| |
| import io.vertx.core.http.HttpClientRequest; |
| |
| @Component |
| public class RestClientCodecFilter implements ConsumerFilter { |
| public static final String NAME = "rest-client-codec"; |
| |
| protected RestClientTransportContextFactory transportContextFactory; |
| |
| protected RestClientEncoder encoder; |
| |
| protected RestClientDecoder decoder; |
| |
| @Nonnull |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| |
| @Autowired |
| public RestClientCodecFilter setTransportContextFactory(RestClientTransportContextFactory transportContextFactory) { |
| this.transportContextFactory = transportContextFactory; |
| return this; |
| } |
| |
| @Autowired |
| public RestClientCodecFilter setEncoder(RestClientEncoder encoder) { |
| this.encoder = encoder; |
| return this; |
| } |
| |
| @Autowired |
| public RestClientCodecFilter setDecoder(RestClientDecoder decoder) { |
| this.decoder = decoder; |
| return this; |
| } |
| |
| @Override |
| public CompletableFuture<Response> onFilter(Invocation invocation, FilterNode nextNode) { |
| invocation.getInvocationStageTrace().startGetConnection(); |
| startClientFiltersRequest(invocation); |
| return CompletableFuture.completedFuture(null) |
| .thenCompose(v -> transportContextFactory.createHttpClientRequest(invocation).toCompletionStage()) |
| .thenAccept(httpClientRequest -> prepareTransportContext(invocation, httpClientRequest)) |
| .thenAccept(v -> encoder.encode(invocation)) |
| .thenCompose(v -> nextNode.onFilter(invocation)) |
| .thenApply(response -> decoder.decode(invocation, response)) |
| .whenComplete((response, throwable) -> finishClientFiltersResponse(invocation)); |
| } |
| |
| protected void startClientFiltersRequest(Invocation invocation) { |
| invocation.getInvocationStageTrace().startClientFiltersRequest(); |
| } |
| |
| protected void prepareTransportContext(Invocation invocation, HttpClientRequest httpClientRequest) { |
| invocation.getInvocationStageTrace().finishGetConnection(); |
| |
| RestClientTransportContext transportContext = transportContextFactory.create(invocation, httpClientRequest); |
| invocation.setTransportContext(transportContext); |
| } |
| |
| protected void finishClientFiltersResponse(Invocation invocation) { |
| invocation.getInvocationStageTrace().finishClientFiltersResponse(); |
| } |
| } |