001/**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020package org.apache.james.mime4j; 021 022import java.io.IOException; 023 024/** 025 * A wrapper class based on {@link IOException} for MIME protocol exceptions. 026 * <p> 027 * This exception is used to signal a <code>MimeException</code> in methods 028 * that only permit <code>IOException</code> to be thrown. 029 * <p> 030 * The cause of a <code>MimeIOException</code> is always a 031 * <code>MimeException</code> therefore. 032 */ 033public class MimeIOException extends IOException { 034 035 private static final long serialVersionUID = 5393613459533735409L; 036 037 /** 038 * Constructs an IO exception based on {@link MimeException}. 039 * 040 * @param cause the cause. 041 */ 042 public MimeIOException(MimeException cause) { 043 super(cause == null ? null : cause.getMessage()); 044 initCause(cause); 045 } 046 047 /** 048 * Returns the <code>MimeException</code> that caused this 049 * <code>MimeIOException</code>. 050 * 051 * @return the cause of this <code>MimeIOException</code>. 052 */ 053 @Override 054 public MimeException getCause() { 055 return (MimeException) super.getCause(); 056 } 057 058}