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.phone.vvm.omtp.protocol; 18 19 import android.annotation.Nullable; 20 import android.content.res.Resources; 21 import android.telephony.TelephonyManager; 22 23 import com.android.phone.R; 24 import com.android.phone.vvm.omtp.VvmLog; 25 26 public class VisualVoicemailProtocolFactory { 27 28 private static final String TAG = "VvmProtocolFactory"; 29 30 private static final String VVM_TYPE_VVM3 = "vvm_type_vvm3"; 31 32 @Nullable create(Resources resources, String type)33 public static VisualVoicemailProtocol create(Resources resources, String type) { 34 if (type == null) { 35 return null; 36 } 37 switch (type) { 38 case TelephonyManager.VVM_TYPE_OMTP: 39 return new OmtpProtocol(); 40 case TelephonyManager.VVM_TYPE_CVVM: 41 return new CvvmProtocol(); 42 case VVM_TYPE_VVM3: 43 if (resources.getBoolean(R.bool.vvm3_enabled)) { 44 return new Vvm3Protocol(); 45 } else { 46 VvmLog.e(TAG, "VVM3 is disabled"); 47 return null; 48 } 49 default: 50 VvmLog.e(TAG, "Unexpected visual voicemail type: " + type); 51 } 52 return null; 53 } 54 } 55