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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.handler.codec.http3;
17  
18  import io.netty.util.internal.ObjectUtil;
19  import org.jetbrains.annotations.Nullable;
20  
21  /**
22   * An exception related to violate the HTTP3 spec.
23   */
24  public final class Http3Exception extends Exception {
25      private final Http3ErrorCode errorCode;
26  
27      /**
28       * Create a new instance.
29       *
30       * @param errorCode the {@link Http3ErrorCode} that caused this exception.
31       * @param message   the message to include.
32       */
33      public Http3Exception(Http3ErrorCode errorCode, @Nullable String message) {
34          super(message);
35          this.errorCode = ObjectUtil.checkNotNull(errorCode, "errorCode");
36      }
37  
38      /**
39       * Create a new instance.
40       *
41       * @param errorCode the {@link Http3ErrorCode} that caused this exception.
42       * @param message   the message to include.
43       * @param cause     the {@link Throwable} to wrap.
44       */
45      public Http3Exception(Http3ErrorCode errorCode, String message, @Nullable Throwable cause) {
46          super(message, cause);
47          this.errorCode = ObjectUtil.checkNotNull(errorCode, "errorCode");
48      }
49  
50      /**
51       * Returns the related {@link Http3ErrorCode}.
52       *
53       * @return the {@link Http3ErrorCode}.
54       */
55      public Http3ErrorCode errorCode() {
56          return errorCode;
57      }
58  }