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/* |
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* i-scream central monitoring system |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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//---PACKAGE DECLARATION--- |
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package uk.org.iscream.cms.server.util; |
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import java.io.*; |
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/** |
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* The Simple Mail Transfer Protocol class. This class was borrowed |
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* for the GJT, and scaled to do just what we require. |
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* The Simple Mail Transfer Protocol class. This class was inspired |
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* by the GJT. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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_socket = new Socket(server, port); |
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_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream())); |
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_socketOut = new PrintWriter(_socket.getOutputStream(), true); |
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_socketIn.readLine(); // get 220 welcome header |
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sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250); |
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init(); |
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} |
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|
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//---PUBLIC METHODS--- |
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public void sendCommand(String cmd, int reply) throws IOException { |
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_socketOut.println(cmd); |
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String temp = _socketIn.readLine(); |
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if (!temp.startsWith(new Integer(reply).toString())) { |
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if (temp == null) { |
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throw new IOException ("IO error reading from socket, connection to server died?"); |
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} |
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if (!temp.startsWith(String.valueOf(reply))) { |
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throw new IOException ("Expected " + reply + ", got " + temp); |
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} |
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} |
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} |
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//---PRIVATE METHODS--- |
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/** |
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* Check the server sends a 220 message, and |
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* then send our HELO. |
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* |
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* @throws IOException if something goes wrong |
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*/ |
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private void init() throws IOException { |
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String temp = _socketIn.readLine(); |
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// skip over any 220- lines |
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while(temp != null && temp.startsWith("220-")) { |
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temp = _socketIn.readLine(); |
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} |
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// check if we got a 220 welcome header |
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if(temp == null || !temp.startsWith("220 ")) { |
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throw new IOException ("Server did not initialise with a 220 message"); |
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} |
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// server gave a 220, it's ok to do a HELO |
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sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250); |
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} |
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//---ACCESSOR/MUTATOR METHODS--- |
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|
