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 18 package org.apache.commons.net.smtp; 19 20 import java.io.IOException; 21 22 /*** 23 * SMTPConnectionClosedException is used to indicate the premature or 24 * unexpected closing of an SMTP connection resulting from a 25 * {@link org.apache.commons.net.smtp.SMTPReply#SERVICE_NOT_AVAILABLE SMTPReply.SERVICE_NOT_AVAILABLE } 26 * response (SMTP reply code 421) to a 27 * failed SMTP command. This exception is derived from IOException and 28 * therefore may be caught either as an IOException or specifically as an 29 * SMTPConnectionClosedException. 30 * <p> 31 * <p> 32 * @see SMTP 33 * @see SMTPClient 34 ***/ 35 36 public final class SMTPConnectionClosedException extends IOException 37 { 38 39 private static final long serialVersionUID = 626520434326660627L; 40 41 /*** Constructs a SMTPConnectionClosedException with no message ***/ 42 public SMTPConnectionClosedException() 43 { 44 super(); 45 } 46 47 /*** 48 * Constructs a SMTPConnectionClosedException with a specified message. 49 * <p> 50 * @param message The message explaining the reason for the exception. 51 ***/ 52 public SMTPConnectionClosedException(String message) 53 { 54 super(message); 55 } 56 57 }