001package org.eclipse.aether; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.util.List; 023 024import static java.util.Objects.requireNonNull; 025 026/** 027 * Runtime exception to be thrown when multiple actions were executed and one or more failed. To be used when no 028 * fallback on resolver side is needed or is possible. 029 * 030 * @since 1.9.0 031 */ 032public final class MultiRuntimeException 033 extends RuntimeException 034{ 035 private final List<? extends Throwable> throwables; 036 037 private MultiRuntimeException( String message, List<? extends Throwable> throwables ) 038 { 039 super( message ); 040 this.throwables = throwables; 041 for ( Throwable throwable : throwables ) 042 { 043 addSuppressed( throwable ); 044 } 045 } 046 047 /** 048 * Returns the list of throwables that are wrapped in this exception. 049 * 050 * @return The list of throwables, never {@code null}. 051 */ 052 public List<? extends Throwable> getThrowables() 053 { 054 return throwables; 055 } 056 057 /** 058 * Helper method that receives a (non-null) message and (non-null) list of throwable, and following happens: 059 * <ul> 060 * <li>if list is empty - nothing</li> 061 * <li>if list not empty - {@link MultiRuntimeException} is thrown wrapping all elements</li> 062 * </ul> 063 */ 064 public static void mayThrow( String message, List<? extends Throwable> throwables ) 065 { 066 requireNonNull( message ); 067 requireNonNull( throwables ); 068 069 if ( !throwables.isEmpty() ) 070 { 071 throw new MultiRuntimeException( message, throwables ); 072 } 073 } 074}