BluetoothUuid.java revision 0d376053747615ac7c4b45ab7810329ffbdf80d1 
1/*
2 * Copyright (C) 2009 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 android.bluetooth;
18
19import android.os.ParcelUuid;
20
21import java.util.Arrays;
22import java.util.HashSet;
23import java.util.UUID;
24
25/**
26* Static helper methods and constants to decode the ParcelUuid of remote devices.
27*  @hide
28*/
29public final class BluetoothUuid {
30
31    /* See Bluetooth Assigned Numbers document - SDP section, to get the values of UUIDs
32     * for the various services.
33     *
34     * The following 128 bit values are calculated as:
35     *  uuid * 2^96 + BASE_UUID
36     */
37    public static final ParcelUuid AudioSink =
38            ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB");
39    public static final ParcelUuid AudioSource =
40            ParcelUuid.fromString("0000110A-0000-1000-8000-00805F9B34FB");
41    public static final ParcelUuid AdvAudioDist =
42            ParcelUuid.fromString("0000110D-0000-1000-8000-00805F9B34FB");
43    public static final ParcelUuid HSP =
44            ParcelUuid.fromString("00001108-0000-1000-8000-00805F9B34FB");
45    public static final ParcelUuid HSP_AG =
46            ParcelUuid.fromString("00001112-0000-1000-8000-00805F9B34FB");
47    public static final ParcelUuid Handsfree =
48            ParcelUuid.fromString("0000111E-0000-1000-8000-00805F9B34FB");
49    public static final ParcelUuid Handsfree_AG =
50            ParcelUuid.fromString("0000111F-0000-1000-8000-00805F9B34FB");
51    public static final ParcelUuid AvrcpController =
52            ParcelUuid.fromString("0000110E-0000-1000-8000-00805F9B34FB");
53    public static final ParcelUuid AvrcpTarget =
54            ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB");
55    public static final ParcelUuid ObexObjectPush =
56            ParcelUuid.fromString("00001105-0000-1000-8000-00805f9b34fb");
57    public static final ParcelUuid Hid =
58            ParcelUuid.fromString("00001124-0000-1000-8000-00805f9b34fb");
59    public static final ParcelUuid Hogp =
60            ParcelUuid.fromString("00001812-0000-1000-8000-00805f9b34fb");
61    public static final ParcelUuid PANU =
62            ParcelUuid.fromString("00001115-0000-1000-8000-00805F9B34FB");
63    public static final ParcelUuid NAP =
64            ParcelUuid.fromString("00001116-0000-1000-8000-00805F9B34FB");
65    public static final ParcelUuid BNEP =
66            ParcelUuid.fromString("0000000f-0000-1000-8000-00805F9B34FB");
67    public static final ParcelUuid PBAP_PSE =
68            ParcelUuid.fromString("0000112f-0000-1000-8000-00805F9B34FB");
69    public static final ParcelUuid MAP =
70            ParcelUuid.fromString("00001134-0000-1000-8000-00805F9B34FB");
71    public static final ParcelUuid MNS =
72            ParcelUuid.fromString("00001133-0000-1000-8000-00805F9B34FB");
73    public static final ParcelUuid MAS =
74            ParcelUuid.fromString("00001132-0000-1000-8000-00805F9B34FB");
75
76
77    public static final ParcelUuid[] RESERVED_UUIDS = {
78        AudioSink, AudioSource, AdvAudioDist, HSP, Handsfree, AvrcpController, AvrcpTarget,
79        ObexObjectPush, PANU, NAP, MAP, MNS, MAS};
80
81    public static boolean isAudioSource(ParcelUuid uuid) {
82        return uuid.equals(AudioSource);
83    }
84
85    public static boolean isAudioSink(ParcelUuid uuid) {
86        return uuid.equals(AudioSink);
87    }
88
89    public static boolean isAdvAudioDist(ParcelUuid uuid) {
90        return uuid.equals(AdvAudioDist);
91    }
92
93    public static boolean isHandsfree(ParcelUuid uuid) {
94        return uuid.equals(Handsfree);
95    }
96
97    public static boolean isHeadset(ParcelUuid uuid) {
98        return uuid.equals(HSP);
99    }
100
101    public static boolean isAvrcpController(ParcelUuid uuid) {
102        return uuid.equals(AvrcpController);
103    }
104
105    public static boolean isAvrcpTarget(ParcelUuid uuid) {
106        return uuid.equals(AvrcpTarget);
107    }
108
109    public static boolean isInputDevice(ParcelUuid uuid) {
110        return uuid.equals(Hid);
111    }
112
113    public static boolean isPanu(ParcelUuid uuid) {
114        return uuid.equals(PANU);
115    }
116
117    public static boolean isNap(ParcelUuid uuid) {
118        return uuid.equals(NAP);
119    }
120
121    public static boolean isBnep(ParcelUuid uuid) {
122        return uuid.equals(BNEP);
123    }
124    public static boolean isMap(ParcelUuid uuid) {
125        return uuid.equals(MAP);
126    }
127    public static boolean isMns(ParcelUuid uuid) {
128        return uuid.equals(MNS);
129    }
130    public static boolean isMas(ParcelUuid uuid) {
131        return uuid.equals(MAS);
132    }
133
134    /**
135     * Returns true if ParcelUuid is present in uuidArray
136     *
137     * @param uuidArray - Array of ParcelUuids
138     * @param uuid
139     */
140    public static boolean isUuidPresent(ParcelUuid[] uuidArray, ParcelUuid uuid) {
141        if ((uuidArray == null || uuidArray.length == 0) && uuid == null)
142            return true;
143
144        if (uuidArray == null)
145            return false;
146
147        for (ParcelUuid element: uuidArray) {
148            if (element.equals(uuid)) return true;
149        }
150        return false;
151    }
152
153    /**
154     * Returns true if there any common ParcelUuids in uuidA and uuidB.
155     *
156     * @param uuidA - List of ParcelUuids
157     * @param uuidB - List of ParcelUuids
158     *
159     */
160    public static boolean containsAnyUuid(ParcelUuid[] uuidA, ParcelUuid[] uuidB) {
161        if (uuidA == null && uuidB == null) return true;
162
163        if (uuidA == null) {
164            return uuidB.length == 0 ? true : false;
165        }
166
167        if (uuidB == null) {
168            return uuidA.length == 0 ? true : false;
169        }
170
171        HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA));
172        for (ParcelUuid uuid: uuidB) {
173            if (uuidSet.contains(uuid)) return true;
174        }
175        return false;
176    }
177
178    /**
179     * Returns true if all the ParcelUuids in ParcelUuidB are present in
180     * ParcelUuidA
181     *
182     * @param uuidA - Array of ParcelUuidsA
183     * @param uuidB - Array of ParcelUuidsB
184     *
185     */
186    public static boolean containsAllUuids(ParcelUuid[] uuidA, ParcelUuid[] uuidB) {
187        if (uuidA == null && uuidB == null) return true;
188
189        if (uuidA == null) {
190            return uuidB.length == 0 ? true : false;
191        }
192
193        if (uuidB == null) return true;
194
195        HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA));
196        for (ParcelUuid uuid: uuidB) {
197            if (!uuidSet.contains(uuid)) return false;
198        }
199        return true;
200    }
201
202    /**
203     * Extract the Service Identifier or the actual uuid from the Parcel Uuid.
204     * For example, if 0000110B-0000-1000-8000-00805F9B34FB is the parcel Uuid,
205     * this function will return 110B
206     * @param parcelUuid
207     * @return the service identifier.
208     */
209    public static int getServiceIdentifierFromParcelUuid(ParcelUuid parcelUuid) {
210        UUID uuid = parcelUuid.getUuid();
211        long value = (uuid.getMostSignificantBits() & 0x0000FFFF00000000L) >>> 32;
212        return (int)value;
213    }
214}
215