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
20 import java.nio.channels.ClosedChannelException;
21
22 /**
23 * Cheap {@link ClosedChannelException} that does not fill in the stacktrace.
24 */
25 final class StacklessClosedChannelException extends ClosedChannelException {
26
27 private static final long serialVersionUID = -2214806025529435136L;
28
29 private StacklessClosedChannelException() { }
30
31 @Override
32 public Throwable fillInStackTrace() {
33 // Suppress a warning since this method doesn't need synchronization
34 return this;
35 }
36
37 /**
38 * Creates a new {@link StacklessClosedChannelException} which has the origin of the given {@link Class} and method.
39 */
40 static StacklessClosedChannelException newInstance(Class<?> clazz, String method) {
41 return ThrowableUtil.unknownStackTrace(new StacklessClosedChannelException(), clazz, method);
42 }
43 }