VehiclePropValueBuilder.java revision cfe93105f637c2822da113308f113ed418d0b319 
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
17package com.android.car.vehiclehal;
18
19import android.annotation.CheckResult;
20import android.hardware.automotive.vehicle.V2_0.VehiclePropValue;
21import android.os.SystemClock;
22
23/** A builder class for {@link android.hardware.automotive.vehicle.V2_0.VehiclePropValue} */
24public 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