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.nio.command;
29
30 import org.apache.hc.core5.annotation.Internal;
31 import org.apache.hc.core5.http.RequestNotExecutedException;
32 import org.apache.hc.core5.reactor.Command;
33 import org.apache.hc.core5.reactor.IOSession;
34 import org.apache.hc.core5.util.Args;
35
36 /**
37 * {@link Command} utility methods.
38 *
39 * @since 5.0
40 */
41 @Internal
42 public final class CommandSupport {
43
44 /**
45 * Fails all pending session {@link Command}s.
46 */
47 static public void failCommands(final IOSession ioSession, final Exception ex) {
48 Args.notNull(ioSession, "I/O session");
49 Command command;
50 while ((command = ioSession.poll()) != null) {
51 if (command instanceof ExecutableCommand) {
52 ((ExecutableCommand) command).failed(ex);
53 } else {
54 command.cancel();
55 }
56 }
57 }
58
59 /**
60 * Cancels all pending session {@link Command}s.
61 */
62 static public void cancelCommands(final IOSession ioSession) {
63 Args.notNull(ioSession, "I/O session");
64 Command command;
65 while ((command = ioSession.poll()) != null) {
66 if (command instanceof ExecutableCommand) {
67 if (!ioSession.isOpen()) {
68 ((ExecutableCommand) command).failed(new RequestNotExecutedException());
69 } else {
70 command.cancel();
71 }
72 } else {
73 command.cancel();
74 }
75 }
76 }
77
78 }