| /* |
| * 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.common.rest; |
| |
| import static javax.ws.rs.core.Response.Status.NOT_ACCEPTABLE; |
| import static javax.ws.rs.core.Response.Status.NOT_FOUND; |
| import static org.apache.servicecomb.core.exception.ExceptionCodes.GENERIC_CLIENT; |
| import static org.apache.servicecomb.core.exception.ExceptionCodes.NOT_DEFINED_ANY_SCHEMA; |
| |
| import java.util.Map; |
| import java.util.concurrent.CompletableFuture; |
| |
| import javax.annotation.Nonnull; |
| import javax.ws.rs.core.HttpHeaders; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.servicecomb.common.rest.codec.produce.ProduceProcessor; |
| import org.apache.servicecomb.common.rest.definition.RestOperationMeta; |
| import org.apache.servicecomb.common.rest.locator.OperationLocator; |
| import org.apache.servicecomb.common.rest.locator.ServicePathManager; |
| import org.apache.servicecomb.core.Const; |
| import org.apache.servicecomb.core.Endpoint; |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.core.definition.MicroserviceMeta; |
| import org.apache.servicecomb.core.exception.Exceptions; |
| import org.apache.servicecomb.core.invocation.InvocationCreator; |
| import org.apache.servicecomb.core.invocation.InvocationFactory; |
| import org.apache.servicecomb.foundation.vertx.http.HttpServletRequestEx; |
| import org.apache.servicecomb.foundation.vertx.http.HttpServletResponseEx; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.vertx.core.json.Json; |
| |
| public abstract class RestProducerInvocationCreator implements InvocationCreator { |
| private static final Logger LOGGER = LoggerFactory.getLogger(RestVertxProducerInvocationCreator.class); |
| |
| protected MicroserviceMeta microserviceMeta; |
| |
| protected final Endpoint endpoint; |
| |
| protected final HttpServletRequestEx requestEx; |
| |
| protected final HttpServletResponseEx responseEx; |
| |
| protected RestOperationMeta restOperationMeta; |
| |
| protected ProduceProcessor produceProcessor; |
| |
| public RestProducerInvocationCreator(MicroserviceMeta microserviceMeta, Endpoint endpoint, |
| @Nonnull HttpServletRequestEx requestEx, @Nonnull HttpServletResponseEx responseEx) { |
| this.microserviceMeta = microserviceMeta; |
| this.endpoint = endpoint; |
| this.requestEx = requestEx; |
| this.responseEx = responseEx; |
| } |
| |
| @Override |
| public CompletableFuture<Invocation> createAsync() { |
| initRestOperation(); |
| |
| Invocation invocation = createInstance(); |
| initInvocationContext(invocation); |
| |
| initProduceProcessor(); |
| initTransportContext(invocation); |
| |
| invocation.addLocalContext(RestConst.REST_REQUEST, requestEx); |
| |
| return CompletableFuture.completedFuture(invocation); |
| } |
| |
| protected Invocation createInstance() { |
| return InvocationFactory.forProvider(endpoint, restOperationMeta.getOperationMeta(), null); |
| } |
| |
| protected void initInvocationContext(Invocation invocation) { |
| String strCseContext = requestEx.getHeader(Const.CSE_CONTEXT); |
| if (StringUtils.isEmpty(strCseContext)) { |
| return; |
| } |
| |
| @SuppressWarnings("unchecked") |
| Map<String, String> invocationContext = Json.decodeValue(strCseContext, Map.class); |
| invocation.mergeContext(invocationContext); |
| } |
| |
| protected abstract void initTransportContext(Invocation invocation); |
| |
| protected void initRestOperation() { |
| OperationLocator locator = locateOperation(microserviceMeta); |
| requestEx.setAttribute(RestConst.PATH_PARAMETERS, locator.getPathVarMap()); |
| restOperationMeta = locator.getOperation(); |
| } |
| |
| protected OperationLocator locateOperation(MicroserviceMeta microserviceMeta) { |
| ServicePathManager servicePathManager = ServicePathManager.getServicePathManager(microserviceMeta); |
| if (servicePathManager == null) { |
| LOGGER.error("No schema defined for {}:{}.", this.microserviceMeta.getAppId(), |
| this.microserviceMeta.getMicroserviceName()); |
| throw Exceptions.create(NOT_FOUND, NOT_DEFINED_ANY_SCHEMA, NOT_FOUND.getReasonPhrase()); |
| } |
| |
| return locateOperation(servicePathManager); |
| } |
| |
| protected OperationLocator locateOperation(ServicePathManager servicePathManager) { |
| return servicePathManager.producerLocateOperation(requestEx.getRequestURI(), requestEx.getMethod()); |
| } |
| |
| @VisibleForTesting |
| void initProduceProcessor() { |
| produceProcessor = restOperationMeta.ensureFindProduceProcessor(requestEx); |
| if (produceProcessor == null) { |
| LOGGER.error("Accept {} is not supported, operation={}.", requestEx.getHeader(HttpHeaders.ACCEPT), |
| restOperationMeta.getOperationMeta().getMicroserviceQualifiedName()); |
| |
| String msg = String.format("Accept %s is not supported", requestEx.getHeader(HttpHeaders.ACCEPT)); |
| throw Exceptions.create(NOT_ACCEPTABLE, GENERIC_CLIENT, msg); |
| } |
| } |
| } |