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1   /*
2    * Copyright 2023 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.handler.ssl;
17  
18  import io.netty.util.internal.ThrowableUtil;
19  
20  import javax.net.ssl.SSLHandshakeException;
21  
22  /**
23   * A {@link SSLHandshakeException} that does not fill in the stack trace.
24   */
25  final class StacklessSSLHandshakeException extends SSLHandshakeException {
26  
27      private static final long serialVersionUID = -1244781947804415549L;
28  
29      private StacklessSSLHandshakeException(String reason) {
30          super(reason);
31      }
32  
33      @Override
34      public Throwable fillInStackTrace() {
35          // This is a performance optimization to not fill in the
36          // stack trace as this is a stackless exception.
37          return this;
38      }
39  
40      /**
41       * Creates a new {@link StacklessSSLHandshakeException} which has the origin of the given {@link Class} and method.
42       */
43      static StacklessSSLHandshakeException newInstance(String reason, Class<?> clazz, String method) {
44          return ThrowableUtil.unknownStackTrace(new StacklessSSLHandshakeException(reason), clazz, method);
45      }
46  }