001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.net.smtp; 019 020 import java.io.IOException; 021 022 /*** 023 * SMTPConnectionClosedException is used to indicate the premature or 024 * unexpected closing of an SMTP connection resulting from a 025 * {@link org.apache.commons.net.smtp.SMTPReply#SERVICE_NOT_AVAILABLE SMTPReply.SERVICE_NOT_AVAILABLE } 026 * response (SMTP reply code 421) to a 027 * failed SMTP command. This exception is derived from IOException and 028 * therefore may be caught either as an IOException or specifically as an 029 * SMTPConnectionClosedException. 030 * <p> 031 * <p> 032 * @see SMTP 033 * @see SMTPClient 034 ***/ 035 036 public final class SMTPConnectionClosedException extends IOException 037 { 038 039 private static final long serialVersionUID = 626520434326660627L; 040 041 /*** Constructs a SMTPConnectionClosedException with no message ***/ 042 public SMTPConnectionClosedException() 043 { 044 super(); 045 } 046 047 /*** 048 * Constructs a SMTPConnectionClosedException with a specified message. 049 * <p> 050 * @param message The message explaining the reason for the exception. 051 ***/ 052 public SMTPConnectionClosedException(String message) 053 { 054 super(message); 055 } 056 057 }