M7350/base/core/java/android/bluetooth/BluetoothUuid.java

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2024-09-09 08:52:07 +00:00
/*
* Copyright (C) 2010-2011 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.bluetooth;
import android.os.ParcelUuid;
import java.util.Arrays;
import java.util.HashSet;
/**
* Static helper methods and constants to decode the ParcelUuid of remote devices.
* @hide
*/
public final class BluetoothUuid {
/* See Bluetooth Assigned Numbers document - SDP section, to get the values of UUIDs
* for the various services.
*
* The following 128 bit values are calculated as:
* uuid * 2^96 + BASE_UUID
*/
public static final ParcelUuid AudioSink =
ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid AudioSource =
ParcelUuid.fromString("0000110A-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid AdvAudioDist =
ParcelUuid.fromString("0000110D-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid HSP =
ParcelUuid.fromString("00001108-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid Handsfree =
ParcelUuid.fromString("0000111E-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid AvrcpController =
ParcelUuid.fromString("0000110E-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid AvrcpTarget =
ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid ObexObjectPush =
ParcelUuid.fromString("00001105-0000-1000-8000-00805f9b34fb");
public static final ParcelUuid DirectPrinting =
ParcelUuid.fromString("00001118-0000-1000-8000-00805f9b34fb");
public static final ParcelUuid ReferencePrinting =
ParcelUuid.fromString("00001119-0000-1000-8000-00805f9b34fb");
public static final ParcelUuid PrintingStatus =
ParcelUuid.fromString("00001123-0000-1000-8000-00805f9b34fb");
public static final ParcelUuid MessageAccessServer =
ParcelUuid.fromString("00001132-0000-1000-8000-00805f9b34fb");
public static final ParcelUuid MessageNotificationServer =
ParcelUuid.fromString("00001133-0000-1000-8000-00805f9b34fb");
public static final ParcelUuid[] RESERVED_UUIDS = {
AudioSink, AudioSource, AdvAudioDist, HSP, Handsfree, AvrcpController, AvrcpTarget,
ObexObjectPush, MessageAccessServer, MessageNotificationServer,
DirectPrinting, ReferencePrinting, PrintingStatus };
public static boolean isAudioSource(ParcelUuid uuid) {
return uuid.equals(AudioSource);
}
public static boolean isAudioSink(ParcelUuid uuid) {
return uuid.equals(AudioSink);
}
public static boolean isAdvAudioDist(ParcelUuid uuid) {
return uuid.equals(AdvAudioDist);
}
public static boolean isHandsfree(ParcelUuid uuid) {
return uuid.equals(Handsfree);
}
public static boolean isHeadset(ParcelUuid uuid) {
return uuid.equals(HSP);
}
public static boolean isAvrcpController(ParcelUuid uuid) {
return uuid.equals(AvrcpController);
}
public static boolean isAvrcpTarget(ParcelUuid uuid) {
return uuid.equals(AvrcpTarget);
}
public static boolean isMessageAccessServer(ParcelUuid uuid) {
return uuid.equals(MessageAccessServer);
}
public static boolean isMessageNotificationServer(ParcelUuid uuid) {
return uuid.equals(MessageNotificationServer);
}
public static boolean isPrintingStatus(ParcelUuid uuid) {
return uuid.equals(PrintingStatus);
}
public static boolean isDirectPrinting(ParcelUuid uuid) {
return uuid.equals(DirectPrinting);
}
/**
* Returns true if ParcelUuid is present in uuidArray
*
* @param uuidArray - Array of ParcelUuids
* @param uuid
*/
public static boolean isUuidPresent(ParcelUuid[] uuidArray, ParcelUuid uuid) {
if ((uuidArray == null || uuidArray.length == 0) && uuid == null)
return true;
if (uuidArray == null)
return false;
for (ParcelUuid element: uuidArray) {
if (element.equals(uuid)) return true;
}
return false;
}
/**
* Returns true if there any common ParcelUuids in uuidA and uuidB.
*
* @param uuidA - List of ParcelUuids
* @param uuidB - List of ParcelUuids
*
*/
public static boolean containsAnyUuid(ParcelUuid[] uuidA, ParcelUuid[] uuidB) {
if (uuidA == null && uuidB == null) return true;
if (uuidA == null) {
return uuidB.length == 0 ? true : false;
}
if (uuidB == null) {
return uuidA.length == 0 ? true : false;
}
HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA));
for (ParcelUuid uuid: uuidB) {
if (uuidSet.contains(uuid)) return true;
}
return false;
}
/**
* Returns true if all the ParcelUuids in ParcelUuidB are present in
* ParcelUuidA
*
* @param uuidA - Array of ParcelUuidsA
* @param uuidB - Array of ParcelUuidsB
*
*/
public static boolean containsAllUuids(ParcelUuid[] uuidA, ParcelUuid[] uuidB) {
if (uuidA == null && uuidB == null) return true;
if (uuidA == null) {
return uuidB.length == 0 ? true : false;
}
if (uuidB == null) return true;
HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA));
for (ParcelUuid uuid: uuidB) {
if (!uuidSet.contains(uuid)) return false;
}
return true;
}
}