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
28 package org.apache.hc.core5.http.io.support;
29
30 import java.io.IOException;
31
32 import org.apache.hc.core5.http.ClassicHttpRequest;
33 import org.apache.hc.core5.http.HttpException;
34 import org.apache.hc.core5.http.io.HttpFilterChain;
35 import org.apache.hc.core5.http.io.HttpFilterHandler;
36 import org.apache.hc.core5.http.protocol.HttpContext;
37
38 /**
39 * An element in a request processing chain.
40 *
41 * @since 5.0
42 */
43 public final class HttpServerFilterChainElement {
44
45 private final HttpFilterHandler handler;
46 private final HttpServerFilterChainElement next;
47 private final HttpFilterChain filterChain;
48
49 public HttpServerFilterChainElementServerFilterChainElement(final HttpFilterHandler handler, final HttpServerFilterChainElement next) {
50 this.handler = handler;
51 this.next = next;
52 this.filterChain = new HttpFilterChain() {
53
54 @Override
55 public void proceed(
56 final ClassicHttpRequest request,
57 final ResponseTrigger responseTrigger,
58 final HttpContext context) throws HttpException, IOException {
59 next.handle(request, responseTrigger, context);
60 }
61 };
62 }
63
64 public void handle(
65 final ClassicHttpRequest request,
66 final HttpFilterChain.ResponseTrigger responseTrigger,
67 final HttpContext context) throws IOException, HttpException {
68 handler.handle(request, responseTrigger, context, filterChain);
69 }
70
71 @Override
72 public String toString() {
73 return "{" +
74 "handler=" + handler.getClass() +
75 ", next=" + (next != null ? next.handler.getClass() : "null") +
76 '}';
77 }
78
79 }