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.res.Resources;
20 import android.support.annotation.Nullable;
21 import android.telephony.TelephonyManager;
22 import com.android.voicemail.VisualVoicemailTypeExtensions;
23 import com.android.voicemail.impl.VvmLog;
24 
25 public class VisualVoicemailProtocolFactory {
26 
27   private static final String TAG = "VvmProtocolFactory";
28 
29   @Nullable
create(Resources resources, String type)30   public static VisualVoicemailProtocol create(Resources resources, String type) {
31     if (type == null) {
32       return null;
33     }
34     switch (type) {
35       case TelephonyManager.VVM_TYPE_OMTP:
36         return new OmtpProtocol();
37       case TelephonyManager.VVM_TYPE_CVVM:
38         return new CvvmProtocol();
39       case VisualVoicemailTypeExtensions.VVM_TYPE_VVM3:
40         return new Vvm3Protocol();
41       default:
42         VvmLog.e(TAG, "Unexpected visual voicemail type: " + type);
43     }
44     return null;
45   }
46 }
47