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.client5.http.impl.async;
29
30 import java.io.IOException;
31
32 import org.apache.hc.client5.http.async.AsyncExecCallback;
33 import org.apache.hc.client5.http.async.AsyncExecChain;
34 import org.apache.hc.client5.http.async.AsyncExecChainHandler;
35 import org.apache.hc.core5.http.HttpException;
36 import org.apache.hc.core5.http.HttpRequest;
37 import org.apache.hc.core5.http.nio.AsyncEntityProducer;
38
39 class AsyncExecChainElement {
40
41 private final AsyncExecChainHandler handler;
42 private final AsyncExecChainElement next;
43
44 AsyncExecChainElement(final AsyncExecChainHandler handler, final AsyncExecChainElement next) {
45 this.handler = handler;
46 this.next = next;
47 }
48
49 public void execute(
50 final HttpRequest request,
51 final AsyncEntityProducer entityProducer,
52 final AsyncExecChain.Scope scope,
53 final AsyncExecCallback asyncExecCallback) throws HttpException, IOException {
54 handler.execute(request, entityProducer, scope, next != null ? next::execute : null, asyncExecCallback);
55 }
56
57 @Override
58 public String toString() {
59 return "{" +
60 "handler=" + handler.getClass() +
61 ", next=" + (next != null ? next.handler.getClass() : "null") +
62 '}';
63 }
64
65 }