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 * @author Daniel F. Savarese
33 * @see SMTP
34 * @see SMTPClient
35 ***/
36
37 public final class SMTPConnectionClosedException extends IOException
38 {
39
40 /*** Constructs a SMTPConnectionClosedException with no message ***/
41 public SMTPConnectionClosedException()
42 {
43 super();
44 }
45
46 /***
47 * Constructs a SMTPConnectionClosedException with a specified message.
48 * <p>
49 * @param message The message explaining the reason for the exception.
50 ***/
51 public SMTPConnectionClosedException(String message)
52 {
53 super(message);
54 }
55
56 }