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