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6 * to you under the Apache License, Version 2.0 (the *
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10 * http://www.apache.org/licenses/LICENSE-2.0 *
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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. *
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19
20
21
22 package org.apache.james.smtpserver.core;
23
24 import java.util.ArrayList;
25 import java.util.Collection;
26
27 import org.apache.james.dsn.DSNStatus;
28 import org.apache.james.smtpserver.CommandHandler;
29 import org.apache.james.smtpserver.SMTPSession;
30
31 /**
32 * Handles NOOP command
33 */
34 public class NoopCmdHandler implements CommandHandler {
35
36 /**
37 * The name of the command handled by the command handler
38 */
39 private final static String COMMAND_NAME = "NOOP";
40
41 /**
42 * Handler method called upon receipt of a NOOP command.
43 * Just sends back an OK and logs the command.
44 *
45 * @see org.apache.james.smtpserver.CommandHandler#onCommand(SMTPSession)
46 */
47 public void onCommand(SMTPSession session) {
48 String responseString = "250 "+DSNStatus.getStatus(DSNStatus.SUCCESS,DSNStatus.UNDEFINED_STATUS)+" OK";
49 session.writeResponse(responseString);
50 }
51
52 /**
53 * @see org.apache.james.smtpserver.CommandHandler#getImplCommands()
54 */
55 public Collection getImplCommands() {
56 Collection implCommands = new ArrayList();
57 implCommands.add("NOOP");
58
59 return implCommands;
60 }
61 }