1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.companion;
import static android.companion.BluetoothDeviceFilterUtils.getDeviceDisplayNameInternal;
import static android.companion.BluetoothDeviceFilterUtils.matchesAddress;
import static android.companion.BluetoothDeviceFilterUtils.matchesName;
import static android.companion.BluetoothDeviceFilterUtils.matchesServiceUuids;
import static android.companion.BluetoothDeviceFilterUtils.patternFromString;
import static android.companion.BluetoothDeviceFilterUtils.patternToString;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.bluetooth.BluetoothDevice;
import android.os.Parcel;
import android.os.ParcelUuid;
import android.provider.OneTimeUseBuilder;
import com.android.internal.util.ArrayUtils;
import com.android.internal.util.CollectionUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* A filter for Bluetooth(non-LE) devices
*/
public final class BluetoothDeviceFilter implements DeviceFilter<BluetoothDevice> {
private final Pattern mNamePattern;
private final String mAddress;
private final List<ParcelUuid> mServiceUuids;
private final List<ParcelUuid> mServiceUuidMasks;
private BluetoothDeviceFilter(
Pattern namePattern,
String address,
List<ParcelUuid> serviceUuids,
List<ParcelUuid> serviceUuidMasks) {
mNamePattern = namePattern;
mAddress = address;
mServiceUuids = CollectionUtils.emptyIfNull(serviceUuids);
mServiceUuidMasks = CollectionUtils.emptyIfNull(serviceUuidMasks);
}
private BluetoothDeviceFilter(Parcel in) {
this(
patternFromString(in.readString()),
in.readString(),
readUuids(in),
readUuids(in));
}
private static List<ParcelUuid> readUuids(Parcel in) {
return in.readParcelableList(new ArrayList<>(), ParcelUuid.class.getClassLoader());
}
/** @hide */
@Override
public boolean matches(BluetoothDevice device) {
return matchesAddress(mAddress, device)
&& matchesServiceUuids(mServiceUuids, mServiceUuidMasks, device)
&& matchesName(getNamePattern(), device);
}
/** @hide */
@Override
public String getDeviceDisplayName(BluetoothDevice device) {
return getDeviceDisplayNameInternal(device);
}
/** @hide */
@Override
public int getMediumType() {
return DeviceFilter.MEDIUM_TYPE_BLUETOOTH;
}
/** @hide */
@Nullable
public Pattern getNamePattern() {
return mNamePattern;
}
/** @hide */
@Nullable
public String getAddress() {
return mAddress;
}
/** @hide */
@NonNull
public List<ParcelUuid> getServiceUuids() {
return mServiceUuids;
}
/** @hide */
@NonNull
public List<ParcelUuid> getServiceUuidMasks() {
return mServiceUuidMasks;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(patternToString(getNamePattern()));
dest.writeString(mAddress);
dest.writeParcelableList(mServiceUuids, flags);
dest.writeParcelableList(mServiceUuidMasks, flags);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
BluetoothDeviceFilter that = (BluetoothDeviceFilter) o;
return Objects.equals(mNamePattern, that.mNamePattern) &&
Objects.equals(mAddress, that.mAddress) &&
Objects.equals(mServiceUuids, that.mServiceUuids) &&
Objects.equals(mServiceUuidMasks, that.mServiceUuidMasks);
}
@Override
public int hashCode() {
return Objects.hash(mNamePattern, mAddress, mServiceUuids, mServiceUuidMasks);
}
@Override
public int describeContents() {
return 0;
}
public static final Creator<BluetoothDeviceFilter> CREATOR
= new Creator<BluetoothDeviceFilter>() {
@Override
public BluetoothDeviceFilter createFromParcel(Parcel in) {
return new BluetoothDeviceFilter(in);
}
@Override
public BluetoothDeviceFilter[] newArray(int size) {
return new BluetoothDeviceFilter[size];
}
};
/**
* A builder for {@link BluetoothDeviceFilter}
*/
public static final class Builder extends OneTimeUseBuilder<BluetoothDeviceFilter> {
private Pattern mNamePattern;
private String mAddress;
private ArrayList<ParcelUuid> mServiceUuid;
private ArrayList<ParcelUuid> mServiceUuidMask;
/**
* @param regex if set, only devices with {@link BluetoothDevice#getName name} matching the
* given regular expression will be shown
*/
public Builder setNamePattern(@Nullable Pattern regex) {
checkNotUsed();
mNamePattern = regex;
return this;
}
/**
* @param address if set, only devices with MAC address exactly matching the given one will
* pass the filter
*/
@NonNull
public Builder setAddress(@Nullable String address) {
checkNotUsed();
mAddress = address;
return this;
}
/**
* Add filtering by certain bits of {@link BluetoothDevice#getUuids()}
*
* A device with any uuid matching the given bits is considered passing
*
* @param serviceUuid the values for the bits to match
* @param serviceUuidMask if provided, only those bits would have to match.
*/
@NonNull
public Builder addServiceUuid(
@Nullable ParcelUuid serviceUuid, @Nullable ParcelUuid serviceUuidMask) {
checkNotUsed();
mServiceUuid = ArrayUtils.add(mServiceUuid, serviceUuid);
mServiceUuidMask = ArrayUtils.add(mServiceUuidMask, serviceUuidMask);
return this;
}
/** @inheritDoc */
@Override
@NonNull
public BluetoothDeviceFilter build() {
markUsed();
return new BluetoothDeviceFilter(
mNamePattern, mAddress, mServiceUuid, mServiceUuidMask);
}
}
}
|
