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      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.car.vehiclehal;
     18 
     19 import android.annotation.CheckResult;
     20 import android.hardware.automotive.vehicle.V2_0.VehiclePropValue;
     21 import android.os.SystemClock;
     22 
     23 /** A builder class for {@link android.hardware.automotive.vehicle.V2_0.VehiclePropValue} */
     24 public class VehiclePropValueBuilder {
     25     private final VehiclePropValue mPropValue;
     26 
     27     public static VehiclePropValueBuilder newBuilder(int propId) {
     28         return new VehiclePropValueBuilder(propId);
     29     }
     30 
     31     public static VehiclePropValueBuilder newBuilder(VehiclePropValue propValue) {
     32         return new VehiclePropValueBuilder(propValue);
     33     }
     34 
     35     private VehiclePropValueBuilder(int propId) {
     36         mPropValue = new VehiclePropValue();
     37         mPropValue.prop = propId;
     38     }
     39 
     40     private VehiclePropValueBuilder(VehiclePropValue propValue) {
     41         mPropValue = clone(propValue);
     42     }
     43 
     44     private VehiclePropValue clone(VehiclePropValue propValue) {
     45         VehiclePropValue newValue = new VehiclePropValue();
     46 
     47         newValue.prop = propValue.prop;
     48         newValue.areaId = propValue.areaId;
     49         newValue.timestamp = propValue.timestamp;
     50         newValue.value.stringValue = propValue.value.stringValue;
     51         newValue.value.int32Values.addAll(propValue.value.int32Values);
     52         newValue.value.floatValues.addAll(propValue.value.floatValues);
     53         newValue.value.int64Values.addAll(propValue.value.int64Values);
     54         newValue.value.bytes.addAll(propValue.value.bytes);
     55 
     56         return newValue;
     57     }
     58 
     59     @CheckResult
     60     public VehiclePropValueBuilder setAreaId(int areaId) {
     61         mPropValue.areaId = areaId;
     62         return this;
     63     }
     64 
     65     @CheckResult
     66     public VehiclePropValueBuilder setTimestamp(long timestamp) {
     67         mPropValue.timestamp = timestamp;
     68         return this;
     69     }
     70 
     71     @CheckResult
     72     public VehiclePropValueBuilder setTimestamp() {
     73         mPropValue.timestamp = SystemClock.elapsedRealtimeNanos();
     74         return this;
     75     }
     76 
     77     @CheckResult
     78     public VehiclePropValueBuilder addIntValue(int... values) {
     79         for (int val : values) {
     80             mPropValue.value.int32Values.add(val);
     81         }
     82         return this;
     83     }
     84 
     85     @CheckResult
     86     public VehiclePropValueBuilder addFloatValue(float... values) {
     87         for (float val : values) {
     88             mPropValue.value.floatValues.add(val);
     89         }
     90         return this;
     91     }
     92 
     93     @CheckResult
     94     public VehiclePropValueBuilder addByteValue(byte... values) {
     95         for (byte val : values) {
     96             mPropValue.value.bytes.add(val);
     97         }
     98         return this;
     99     }
    100 
    101     @CheckResult
    102     public VehiclePropValueBuilder setInt64Value(long... values) {
    103         for (long val : values) {
    104             mPropValue.value.int64Values.add(val);
    105         }
    106         return this;
    107     }
    108 
    109     @CheckResult
    110     public VehiclePropValueBuilder setBooleanValue(boolean value) {
    111         mPropValue.value.int32Values.clear();
    112         mPropValue.value.int32Values.add(value ? 1 : 0);
    113         return this;
    114     }
    115 
    116     @CheckResult
    117     public VehiclePropValueBuilder setStringValue(String val) {
    118         mPropValue.value.stringValue = val;
    119         return this;
    120     }
    121 
    122     public VehiclePropValue build() {
    123         return clone(mPropValue);
    124     }
    125 }
    126