1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.lang3.test; 18 19 /** 20 * Allows for testing an exception that is not visible to 21 * {@link org.apache.commons.lang3.exception.ExceptionUtils} 22 */ 23 public class NotVisibleExceptionFactory { 24 25 private static final class NotVisibleException extends Exception { 26 27 private static final long serialVersionUID = 1L; // avoid warning 28 29 private final Throwable cause; 30 31 private NotVisibleException(final Throwable cause) { 32 this.cause = cause; 33 } 34 35 @Override 36 public synchronized Throwable getCause() { 37 return cause; 38 } 39 } 40 41 /** 42 * Create a new Exception whose getCause method returns the 43 * provided cause. 44 * @param cause the cause of the exception 45 * @return a new {@link Exception} 46 */ 47 public static Exception createException(final Throwable cause) { 48 return new NotVisibleException(cause); 49 } 50 51 private NotVisibleExceptionFactory() {} 52 }