| 1 |
+ |
/* |
| 2 |
+ |
* i-scream central monitoring system |
| 3 |
+ |
* http://www.i-scream.org.uk |
| 4 |
+ |
* Copyright (C) 2000-2002 i-scream |
| 5 |
+ |
* |
| 6 |
+ |
* This program is free software; you can redistribute it and/or |
| 7 |
+ |
* modify it under the terms of the GNU General Public License |
| 8 |
+ |
* as published by the Free Software Foundation; either version 2 |
| 9 |
+ |
* of the License, or (at your option) any later version. |
| 10 |
+ |
* |
| 11 |
+ |
* This program is distributed in the hope that it will be useful, |
| 12 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
+ |
* GNU General Public License for more details. |
| 15 |
+ |
* |
| 16 |
+ |
* You should have received a copy of the GNU General Public License |
| 17 |
+ |
* along with this program; if not, write to the Free Software |
| 18 |
+ |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
+ |
*/ |
| 20 |
+ |
|
| 21 |
|
//---PACKAGE DECLARATION--- |
| 22 |
|
package uk.org.iscream.cms.server.util; |
| 23 |
|
|
| 26 |
|
import java.io.*; |
| 27 |
|
|
| 28 |
|
/** |
| 29 |
< |
* The Simple Mail Transfer Protocol class. This class was borrowed |
| 30 |
< |
* for the GJT, and scaled to do just what we require. |
| 29 |
> |
* The Simple Mail Transfer Protocol class. This class was inspired |
| 30 |
> |
* by the GJT. |
| 31 |
|
* |
| 32 |
|
* @author $Author$ |
| 33 |
|
* @version $Id$ |
| 67 |
|
_socket = new Socket(server, port); |
| 68 |
|
_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream())); |
| 69 |
|
_socketOut = new PrintWriter(_socket.getOutputStream(), true); |
| 70 |
< |
_socketIn.readLine(); // get 220 welcome header |
| 51 |
< |
sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250); |
| 70 |
> |
init(); |
| 71 |
|
} |
| 72 |
|
|
| 73 |
|
//---PUBLIC METHODS--- |
| 135 |
|
public void sendCommand(String cmd, int reply) throws IOException { |
| 136 |
|
_socketOut.println(cmd); |
| 137 |
|
String temp = _socketIn.readLine(); |
| 138 |
< |
if (!temp.startsWith(new Integer(reply).toString())) { |
| 138 |
> |
if (temp == null) { |
| 139 |
> |
throw new IOException ("IO error reading from socket, connection to server died?"); |
| 140 |
> |
} |
| 141 |
> |
if (!temp.startsWith(String.valueOf(reply))) { |
| 142 |
|
throw new IOException ("Expected " + reply + ", got " + temp); |
| 143 |
|
} |
| 144 |
|
} |
| 160 |
|
} |
| 161 |
|
|
| 162 |
|
//---PRIVATE METHODS--- |
| 163 |
+ |
|
| 164 |
+ |
/** |
| 165 |
+ |
* Check the server sends a 220 message, and |
| 166 |
+ |
* then send our HELO. |
| 167 |
+ |
* |
| 168 |
+ |
* @throws IOException if something goes wrong |
| 169 |
+ |
*/ |
| 170 |
+ |
private void init() throws IOException { |
| 171 |
+ |
String temp = _socketIn.readLine(); |
| 172 |
+ |
// skip over any 220- lines |
| 173 |
+ |
while(temp != null && temp.startsWith("220-")) { |
| 174 |
+ |
temp = _socketIn.readLine(); |
| 175 |
+ |
} |
| 176 |
+ |
// check if we got a 220 welcome header |
| 177 |
+ |
if(temp == null || !temp.startsWith("220 ")) { |
| 178 |
+ |
throw new IOException ("Server did not initialise with a 220 message"); |
| 179 |
+ |
} |
| 180 |
+ |
// server gave a 220, it's ok to do a HELO |
| 181 |
+ |
sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250); |
| 182 |
+ |
} |
| 183 |
|
|
| 184 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 185 |
|
|
