1 /*
2  * Copyright (C) 2021 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.server.uwb.params;
18 
19 import com.android.server.uwb.UwbInjector;
20 
21 import com.google.uwb.support.aliro.AliroParams;
22 import com.google.uwb.support.base.Params;
23 import com.google.uwb.support.base.ProtocolVersion;
24 import com.google.uwb.support.ccc.CccParams;
25 import com.google.uwb.support.fira.FiraParams;
26 import com.google.uwb.support.radar.RadarParams;
27 
28 public abstract class TlvEncoder {
29     /**
30      * Get the appropriate TlvEncoder implementation, based upon the {@code protocolName}.
31      */
getEncoder(String protocolName, UwbInjector uwbInjector)32     public static TlvEncoder getEncoder(String protocolName, UwbInjector uwbInjector) {
33         if (protocolName.equals(FiraParams.PROTOCOL_NAME)) {
34             return new FiraEncoder(uwbInjector);
35         }
36         if (protocolName.equals(CccParams.PROTOCOL_NAME)) {
37             return new CccEncoder(uwbInjector);
38         }
39         if (protocolName.equals(AliroParams.PROTOCOL_NAME)) {
40             return new AliroEncoder(uwbInjector);
41         }
42         if (protocolName.equals(RadarParams.PROTOCOL_NAME)) {
43             return new RadarEncoder();
44         }
45         return null;
46     }
47 
48     /**
49      * Convert the given {@code Params} into a TLV representation (that can be sent to the UWBS).
50      */
getTlvBuffer(Params param, ProtocolVersion protocolVersion)51     public abstract TlvBuffer getTlvBuffer(Params param, ProtocolVersion protocolVersion);
52 }
53