1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.eclipse.aether; 20 21 import java.util.List; 22 23 import static java.util.Objects.requireNonNull; 24 25 /** 26 * Runtime exception to be thrown when multiple actions were executed and one or more failed. To be used when no 27 * fallback on resolver side is needed or is possible. 28 * 29 * @since 1.9.0 30 */ 31 public final class MultiRuntimeException extends RuntimeException { 32 private final List<? extends Throwable> throwables; 33 34 private MultiRuntimeException(String message, List<? extends Throwable> throwables) { 35 super(message); 36 this.throwables = throwables; 37 for (Throwable throwable : throwables) { 38 addSuppressed(throwable); 39 } 40 } 41 42 /** 43 * Returns the list of throwables that are wrapped in this exception. 44 * 45 * @return The list of throwables, never {@code null}. 46 */ 47 public List<? extends Throwable> getThrowables() { 48 return throwables; 49 } 50 51 /** 52 * Helper method that receives a (non-null) message and (non-null) list of throwable, and following happens: 53 * <ul> 54 * <li>if list is empty - nothing</li> 55 * <li>if list not empty - {@link MultiRuntimeException} is thrown wrapping all elements</li> 56 * </ul> 57 */ 58 public static void mayThrow(String message, List<? extends Throwable> throwables) { 59 requireNonNull(message); 60 requireNonNull(throwables); 61 62 if (!throwables.isEmpty()) { 63 throw new MultiRuntimeException(message, throwables); 64 } 65 } 66 }