| /* |
| * 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.shardingsphere.elasticjob.restful.handler; |
| |
| import io.netty.handler.codec.http.HttpMethod; |
| import io.netty.handler.codec.http.HttpRequest; |
| import org.apache.shardingsphere.elasticjob.restful.mapping.MappingContext; |
| import org.apache.shardingsphere.elasticjob.restful.mapping.RegexUrlPatternMap; |
| import org.apache.shardingsphere.elasticjob.restful.mapping.UrlPatternMap; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Optional; |
| |
| /** |
| * HandlerMappingRegistry stores mappings of handlers. |
| * Search a proper {@link MappingContext} by HTTP method and request URI. |
| */ |
| public final class HandlerMappingRegistry { |
| |
| private final Map<HttpMethod, UrlPatternMap<Handler>> mappings = new HashMap<>(); |
| |
| /** |
| * Get a MappingContext with Handler for the request. |
| * |
| * @param httpRequest HTTP request |
| * @return A MappingContext if matched, return null if mismatched. |
| */ |
| public Optional<MappingContext<Handler>> getMappingContext(final HttpRequest httpRequest) { |
| String uriWithoutQuery = httpRequest.uri().split("\\?")[0]; |
| return Optional.ofNullable(mappings.get(httpRequest.method())).map(urlPatternMap -> urlPatternMap.match(uriWithoutQuery)); |
| } |
| |
| /** |
| * Add a Handler for a path pattern. |
| * |
| * @param method HTTP method |
| * @param pathPattern path pattern |
| * @param handler handler |
| */ |
| public void addMapping(final HttpMethod method, final String pathPattern, final Handler handler) { |
| UrlPatternMap<Handler> urlPatternMap = mappings.computeIfAbsent(method, httpMethod -> new RegexUrlPatternMap<>()); |
| urlPatternMap.put(pathPattern, handler); |
| } |
| } |