1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.phone.vvm.omtp.protocol;
18
19import android.telephony.SmsManager;
20
21import com.android.phone.vvm.omtp.OmtpConstants;
22import com.android.phone.vvm.omtp.sms.OmtpCvvmMessageSender;
23import com.android.phone.vvm.omtp.sms.OmtpMessageSender;
24
25/**
26 * A flavor of OMTP protocol with a different mobile originated (MO) format
27 *
28 * Used by carriers such as T-Mobile
29 */
30public class CvvmProtocol extends VisualVoicemailProtocol {
31
32    private static String IMAP_CHANGE_TUI_PWD_FORMAT = "CHANGE_TUI_PWD PWD=%1$s OLD_PWD=%2$s";
33    private static String IMAP_CHANGE_VM_LANG_FORMAT = "CHANGE_VM_LANG Lang=%1$s";
34    private static String IMAP_CLOSE_NUT = "CLOSE_NUT";
35
36    @Override
37    public OmtpMessageSender createMessageSender(SmsManager smsManager, short applicationPort,
38            String destinationNumber) {
39        return new OmtpCvvmMessageSender(smsManager, applicationPort, destinationNumber);
40    }
41
42    @Override
43    public String getCommand(String command) {
44        if (command == OmtpConstants.IMAP_CHANGE_TUI_PWD_FORMAT) {
45            return IMAP_CHANGE_TUI_PWD_FORMAT;
46        }
47        if (command == OmtpConstants.IMAP_CLOSE_NUT) {
48            return IMAP_CLOSE_NUT;
49        }
50        if (command == OmtpConstants.IMAP_CHANGE_VM_LANG_FORMAT) {
51            return IMAP_CHANGE_VM_LANG_FORMAT;
52        }
53        return super.getCommand(command);
54    }
55}
56