1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 *
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 * http://www.mozilla.org/MPL/
8 *
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
13 *
14 * The Original Code is "SMS Library for the Java platform".
15 *
16 * The Initial Developer of the Original Code is Markus Eriksson.
17 * Portions created by the Initial Developer are Copyright (C) 2002
18 * the Initial Developer. All Rights Reserved.
19 *
20 * Contributor(s):
21 *
22 * Alternatively, the contents of this file may be used under the terms of
23 * either the GNU General Public License Version 2 or later (the "GPL"), or
24 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
25 * in which case the provisions of the GPL or the LGPL are applicable instead
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31 * the provisions above, a recipient may use your version of this file under
32 * the terms of any one of the MPL, the GPL or the LGPL.
33 *
34 * ***** END LICENSE BLOCK ***** */
35 package org.marre.sms.transport.gsm.commands;
36
37 import java.io.IOException;
38
39 import org.marre.sms.transport.gsm.GsmComm;
40 import org.marre.sms.transport.gsm.GsmException;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
43
44 public class PingReq
45 {
46 private static Logger log_ = LoggerFactory.getLogger(PingReq.class);
47
48 public void send(GsmComm comm) throws GsmException, IOException
49 {
50 log_.debug("Sending empty AT command.");
51 comm.send("AT\r\n");
52
53 String rsp = comm.readLine();
54 if (! rsp.startsWith("OK")) {
55 throw new GsmException("AT ping failed.", rsp);
56 }
57 }
58 }