1 /*
2 * Copyright 2020 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. 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, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.channel;
17
18 import io.netty.util.internal.ThrowableUtil;
19 import io.netty.util.internal.UnstableApi;
20
21 import java.nio.channels.ClosedChannelException;
22
23 /**
24 * Cheap {@link ClosedChannelException} that does not fill in the stacktrace.
25 */
26 @UnstableApi
27 public final class StacklessClosedChannelException extends ClosedChannelException {
28
29 private static final long serialVersionUID = -2214806025529435136L;
30
31 private StacklessClosedChannelException() { }
32
33 @Override
34 public Throwable fillInStackTrace() {
35 // Suppress a warning since this method doesn't need synchronization
36 return this;
37 }
38
39 /**
40 * Creates a new {@link StacklessClosedChannelException} which has the origin of the given {@link Class} and method.
41 */
42 public static StacklessClosedChannelException newInstance(Class<?> clazz, String method) {
43 return ThrowableUtil.unknownStackTrace(new StacklessClosedChannelException(), clazz, method);
44 }
45 }