| /** |
| * |
| * 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.bookkeeper.http.vertx; |
| |
| import io.vertx.core.Handler; |
| import io.vertx.core.http.HttpMethod; |
| import io.vertx.core.http.HttpServerRequest; |
| import io.vertx.core.http.HttpServerResponse; |
| import io.vertx.ext.web.RoutingContext; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import org.apache.bookkeeper.http.HttpServer; |
| import org.apache.bookkeeper.http.service.ErrorHttpService; |
| import org.apache.bookkeeper.http.service.HttpEndpointService; |
| import org.apache.bookkeeper.http.service.HttpServiceRequest; |
| import org.apache.bookkeeper.http.service.HttpServiceResponse; |
| |
| /** |
| * Http Handler for Vertx based Http Server. |
| */ |
| public abstract class VertxAbstractHandler implements Handler<RoutingContext> { |
| |
| /** |
| * Process the request using the given httpEndpointService. |
| */ |
| void processRequest(HttpEndpointService httpEndpointService, RoutingContext context) { |
| HttpServerRequest httpRequest = context.request(); |
| HttpServerResponse httpResponse = context.response(); |
| HttpServiceRequest request = new HttpServiceRequest() |
| .setMethod(convertMethod(httpRequest)) |
| .setParams(convertParams(httpRequest)) |
| .setBody(context.body().asString()); |
| HttpServiceResponse response = null; |
| try { |
| response = httpEndpointService.handle(request); |
| } catch (Exception e) { |
| response = new ErrorHttpService().handle(request); |
| } |
| httpResponse.setStatusCode(response.getStatusCode()); |
| httpResponse.end(response.getBody()); |
| } |
| |
| /** |
| * Convert http request parameters to a map. |
| */ |
| @SuppressWarnings("unchecked") |
| Map<String, String> convertParams(HttpServerRequest request) { |
| Map<String, String> map = new HashMap<>(); |
| Iterator<Map.Entry<String, String>> iterator = request.params().iterator(); |
| while (iterator.hasNext()) { |
| Map.Entry<String, String> entry = iterator.next(); |
| map.put(entry.getKey(), entry.getValue()); |
| } |
| return map; |
| } |
| |
| /** |
| * Convert http request method to the method that |
| * can be recognized by HttpServer. |
| */ |
| HttpServer.Method convertMethod(HttpServerRequest request) { |
| HttpMethod method = request.method(); |
| if (HttpMethod.POST.equals(method)) { |
| return HttpServer.Method.POST; |
| } else if (HttpMethod.DELETE.equals(method)) { |
| return HttpServer.Method.DELETE; |
| } else if (HttpMethod.PUT.equals(method)) { |
| return HttpServer.Method.PUT; |
| } |
| return HttpServer.Method.GET; |
| } |
| } |