| /* |
| * 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.camel.http.common; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| import javax.servlet.http.HttpServletRequest; |
| |
| import org.apache.camel.support.RestConsumerContextPathMatcher; |
| |
| /** |
| * A default implementation of {@link org.apache.camel.http.common.ServletResolveConsumerStrategy}. |
| */ |
| public class HttpServletResolveConsumerStrategy implements ServletResolveConsumerStrategy { |
| |
| @Override |
| public HttpConsumer resolve(HttpServletRequest request, Map<String, HttpConsumer> consumers) { |
| return doResolve(request, request.getMethod(), consumers); |
| } |
| |
| @Override |
| public boolean isHttpMethodAllowed(HttpServletRequest request, String method, Map<String, HttpConsumer> consumers) { |
| return doResolve(request, method, consumers) != null; |
| } |
| |
| protected HttpConsumer doResolve(HttpServletRequest request, String method, Map<String, HttpConsumer> consumers) { |
| String path = request.getPathInfo(); |
| if (path == null) { |
| return null; |
| } |
| HttpConsumer answer = consumers.get(path); |
| |
| List<HttpConsumer> candidates = resolveCandidates(request, method, consumers); |
| // extra filter by restrict |
| candidates = candidates.stream().filter(c -> matchRestMethod(method, c.getEndpoint().getHttpMethodRestrict())).collect(Collectors.toList()); |
| if (candidates.size() == 1) { |
| answer = candidates.get(0); |
| } |
| |
| return answer; |
| } |
| |
| private List<HttpConsumer> resolveCandidates(HttpServletRequest request, String method, Map<String, HttpConsumer> consumers) { |
| String path = request.getPathInfo(); |
| |
| List<HttpConsumer> candidates = new ArrayList<>(); |
| for (String key : consumers.keySet()) { |
| //We need to look up the consumer path here |
| String consumerPath = consumers.get(key).getPath(); |
| HttpConsumer consumer = consumers.get(key); |
| boolean matchOnUriPrefix = consumer.getEndpoint().isMatchOnUriPrefix(); |
| // Just make sure the we get the right consumer path first |
| if (RestConsumerContextPathMatcher.matchPath(path, consumerPath, matchOnUriPrefix)) { |
| candidates.add(consumer); |
| } |
| } |
| return candidates; |
| } |
| |
| private static boolean matchRestMethod(String method, String restrict) { |
| return restrict == null || restrict.toLowerCase(Locale.ENGLISH).contains(method.toLowerCase(Locale.ENGLISH)); |
| } |
| |
| } |