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2 * Licensed to the Apache Software Foundation (ASF) under one *
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5 * regarding copyright ownership. The ASF licenses this file *
6 * to you under the Apache License, Version 2.0 (the *
7 * "License"); you may not use this file except in compliance *
8 * with the License. You may obtain a copy of the License at *
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10 * http://www.apache.org/licenses/LICENSE-2.0 *
11 * *
12 * Unless required by applicable law or agreed to in writing, *
13 * software distributed under the License is distributed on an *
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
15 * KIND, either express or implied. See the License for the *
16 * specific language governing permissions and limitations *
17 * under the License. *
18 ****************************************************************/
19
20
21
22 package org.apache.james.smtpserver.core;
23
24
25 import java.util.ArrayList;
26 import java.util.Collection;
27
28 import org.apache.avalon.framework.logger.AbstractLogEnabled;
29 import org.apache.james.smtpserver.CommandHandler;
30 import org.apache.james.smtpserver.SMTPSession;
31
32
33 /**
34 * Handles HELO command
35 */
36 public class HeloCmdHandler extends AbstractLogEnabled implements CommandHandler {
37
38 /**
39 * The name of the command handled by the command handler
40 */
41 private final static String COMMAND_NAME = "HELO";
42
43 /**
44 * process HELO command
45 *
46 * @see org.apache.james.smtpserver.CommandHandler#onCommand(SMTPSession)
47 **/
48 public void onCommand(SMTPSession session) {
49 doHELO(session, session.getCommandArgument());
50 }
51
52 /**
53 * @param session SMTP session object
54 * @param argument the argument passed in with the command by the SMTP client
55 */
56 private void doHELO(SMTPSession session, String argument) {
57 String responseString = null;
58
59 session.getConnectionState().put(SMTPSession.CURRENT_HELO_MODE, COMMAND_NAME);
60 session.getResponseBuffer().append("250 ").append(
61 session.getConfigurationData().getHelloName())
62 .append(" Hello ").append(argument).append(" (").append(
63 session.getRemoteHost()).append(" [").append(
64 session.getRemoteIPAddress()).append("])");
65 responseString = session.clearResponseBuffer();
66 session.writeResponse(responseString);
67 }
68
69 /**
70 * @see org.apache.james.smtpserver.CommandHandler#getImplCommands()
71 */
72 public Collection getImplCommands() {
73 Collection implCommands = new ArrayList();
74 implCommands.add("HELO");
75
76 return implCommands;
77 }
78 }