1 /*
2 * Copyright (C) 2012-2024 RRiBbit.org
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.rribbit.dispatching;
17
18 import org.rribbit.Request;
19 import org.rribbit.Response;
20 import org.rribbit.processing.LocalRequestProcessor;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
23
24 /**
25 * This {@link RequestDispatcher} dispatches a {@link Request} on a local machine to a {@link LocalRequestProcessor} via a simple Java method call.
26 *
27 * @author G.J. Schouten
28 *
29 */
30 public class LocalRequestDispatcher implements RequestDispatcher {
31
32 private static final Logger log = LoggerFactory.getLogger(LocalRequestDispatcher.class);
33
34 protected LocalRequestProcessor localRequestProcessor;
35
36 /**
37 * Whenever you use this constructor, be sure to set the {@link LocalRequestProcessor} with the setter provided by this class.
38 * If you don't, runtime {@link NullPointerException}s will occur.
39 */
40 public LocalRequestDispatcher() {}
41
42 /**
43 * This constructor is recommended, since it forces you to specify the {@link LocalRequestProcessor}. Passing a null value for either
44 * of these will result in a runtime {@link NullPointerException} whenever the {@link LocalRequestDispatcher} is used.
45 *
46 * @param localRequestProcessor
47 */
48 public LocalRequestDispatcher(LocalRequestProcessor localRequestProcessor) {
49 this.localRequestProcessor = localRequestProcessor;
50 }
51
52 @Override
53 public <T> Response<T> dispatchRequest(Request request) {
54
55 log.info("Dispatching Request");
56 Response<T> response = localRequestProcessor.processRequest(request);
57 log.info("Returning Response");
58 return response;
59 }
60
61 public LocalRequestProcessor getLocalRequestProcessor() {
62 return localRequestProcessor;
63 }
64
65 public void setLocalRequestProcessor(LocalRequestProcessor localRequestProcessor) {
66 this.localRequestProcessor = localRequestProcessor;
67 }
68 }