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.quic; 17 18 import org.jetbrains.annotations.Nullable; 19 20 /** 21 * Exception produced while processing {@code QUIC}. 22 */ 23 public final class QuicException extends Exception { 24 25 private final QuicTransportError error; 26 27 QuicException(String message) { 28 super(message); 29 this.error = null; 30 } 31 32 public QuicException(QuicTransportError error) { 33 super(error.name()); 34 this.error = error; 35 } 36 37 public QuicException(String message, QuicTransportError error) { 38 super(message); 39 this.error = error; 40 } 41 42 public QuicException(Throwable cause, QuicTransportError error) { 43 super(cause); 44 this.error = error; 45 } 46 47 public QuicException(String message, Throwable cause, QuicTransportError error) { 48 super(message, cause); 49 this.error = error; 50 } 51 52 /** 53 * Returns the {@link QuicTransportError} which was the cause of the {@link QuicException}. 54 * 55 * @return the {@link QuicTransportError} that caused this {@link QuicException} or {@code null} if 56 * it was caused by something different. 57 */ 58 @Nullable 59 public QuicTransportError error() { 60 return error; 61 } 62 }