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 
17 package com.android.voicemail.impl.protocol;
18 
19 import android.content.Context;
20 import android.telecom.PhoneAccountHandle;
21 import com.android.voicemail.impl.OmtpConstants;
22 import com.android.voicemail.impl.sms.OmtpCvvmMessageSender;
23 import com.android.voicemail.impl.sms.OmtpMessageSender;
24 
25 /**
26  * A flavor of OMTP protocol with a different mobile originated (MO) format
27  *
28  * <p>Used by carriers such as T-Mobile
29  */
30 public 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
createMessageSender( Context context, PhoneAccountHandle phoneAccountHandle, short applicationPort, String destinationNumber)37   public OmtpMessageSender createMessageSender(
38       Context context,
39       PhoneAccountHandle phoneAccountHandle,
40       short applicationPort,
41       String destinationNumber) {
42     return new OmtpCvvmMessageSender(
43         context, phoneAccountHandle, applicationPort, destinationNumber);
44   }
45 
46   @Override
getCommand(String command)47   public String getCommand(String command) {
48     if (command == OmtpConstants.IMAP_CHANGE_TUI_PWD_FORMAT) {
49       return IMAP_CHANGE_TUI_PWD_FORMAT;
50     }
51     if (command == OmtpConstants.IMAP_CLOSE_NUT) {
52       return IMAP_CLOSE_NUT;
53     }
54     if (command == OmtpConstants.IMAP_CHANGE_VM_LANG_FORMAT) {
55       return IMAP_CHANGE_VM_LANG_FORMAT;
56     }
57     return super.getCommand(command);
58   }
59 }
60