1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.hc.core5.http.nio.support;
28
29 import java.io.IOException;
30
31 import org.apache.hc.core5.http.EntityDetails;
32 import org.apache.hc.core5.http.HttpException;
33 import org.apache.hc.core5.http.HttpRequest;
34 import org.apache.hc.core5.http.nio.AsyncRequestConsumer;
35 import org.apache.hc.core5.http.nio.AsyncServerRequestHandler;
36 import org.apache.hc.core5.http.protocol.HttpContext;
37 import org.apache.hc.core5.util.Args;
38
39 /**
40 * Basic {@link AbstractServerExchangeHandler} implementation that delegates
41 * request processing and response generation to a {@link AsyncServerRequestHandler}.
42 *
43 * @since 5.0
44 */
45 public class BasicServerExchangeHandler<T> extends AbstractServerExchangeHandler<T> {
46
47 private final AsyncServerRequestHandler<T> requestHandler;
48
49 public BasicServerExchangeHandler(final AsyncServerRequestHandler<T> requestHandler) {
50 super();
51 this.requestHandler = Args.notNull(requestHandler, "Response handler");
52 }
53
54 @Override
55 protected AsyncRequestConsumer<T> supplyConsumer(
56 final HttpRequest request,
57 final EntityDetails entityDetails,
58 final HttpContext context) throws HttpException {
59 return requestHandler.prepare(request, entityDetails, context);
60 }
61
62 @Override
63 protected void handle(
64 final T requestMessage,
65 final AsyncServerRequestHandler.ResponseTrigger responseTrigger,
66 final HttpContext context) throws HttpException, IOException {
67 requestHandler.handle(requestMessage, responseTrigger, context);
68 }
69
70 }