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Diffstat (limited to 'framework/java/android/bluetooth/BluetoothUuid.java')
-rw-r--r--framework/java/android/bluetooth/BluetoothUuid.java68
1 files changed, 37 insertions, 31 deletions
diff --git a/framework/java/android/bluetooth/BluetoothUuid.java b/framework/java/android/bluetooth/BluetoothUuid.java
index 243579a31c..5bfc54d267 100644
--- a/framework/java/android/bluetooth/BluetoothUuid.java
+++ b/framework/java/android/bluetooth/BluetoothUuid.java
@@ -25,9 +25,10 @@ import java.util.HashSet;
import java.util.UUID;
/**
-* Static helper methods and constants to decode the ParcelUuid of remote devices.
-* @hide
-*/
+ * 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
@@ -76,9 +77,9 @@ public final class BluetoothUuid {
ParcelUuid.fromString("00001133-0000-1000-8000-00805F9B34FB");
public static final ParcelUuid MAS =
ParcelUuid.fromString("00001132-0000-1000-8000-00805F9B34FB");
- public static final ParcelUuid SAP =
+ public static final ParcelUuid SAP =
ParcelUuid.fromString("0000112D-0000-1000-8000-00805F9B34FB");
-
+
public static final ParcelUuid BASE_UUID =
ParcelUuid.fromString("00000000-0000-1000-8000-00805F9B34FB");
@@ -90,8 +91,8 @@ public final class BluetoothUuid {
public static final int UUID_BYTES_128_BIT = 16;
public static final ParcelUuid[] RESERVED_UUIDS = {
- AudioSink, AudioSource, AdvAudioDist, HSP, Handsfree, AvrcpController, AvrcpTarget,
- ObexObjectPush, PANU, NAP, MAP, MNS, MAS, SAP};
+ AudioSink, AudioSource, AdvAudioDist, HSP, Handsfree, AvrcpController, AvrcpTarget,
+ ObexObjectPush, PANU, NAP, MAP, MNS, MAS, SAP};
public static boolean isAudioSource(ParcelUuid uuid) {
return uuid.equals(AudioSource);
@@ -136,15 +137,19 @@ public final class BluetoothUuid {
public static boolean isBnep(ParcelUuid uuid) {
return uuid.equals(BNEP);
}
+
public static boolean isMap(ParcelUuid uuid) {
return uuid.equals(MAP);
}
+
public static boolean isMns(ParcelUuid uuid) {
return uuid.equals(MNS);
}
+
public static boolean isMas(ParcelUuid uuid) {
return uuid.equals(MAS);
}
+
public static boolean isSap(ParcelUuid uuid) {
return uuid.equals(SAP);
}
@@ -156,13 +161,15 @@ public final class BluetoothUuid {
* @param uuid
*/
public static boolean isUuidPresent(ParcelUuid[] uuidArray, ParcelUuid uuid) {
- if ((uuidArray == null || uuidArray.length == 0) && uuid == null)
+ if ((uuidArray == null || uuidArray.length == 0) && uuid == null) {
return true;
+ }
- if (uuidArray == null)
+ if (uuidArray == null) {
return false;
+ }
- for (ParcelUuid element: uuidArray) {
+ for (ParcelUuid element : uuidArray) {
if (element.equals(uuid)) return true;
}
return false;
@@ -173,21 +180,20 @@ public final class BluetoothUuid {
*
* @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;
+ return uuidB.length == 0;
}
if (uuidB == null) {
- return uuidA.length == 0 ? true : false;
+ return uuidA.length == 0;
}
- HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA));
- for (ParcelUuid uuid: uuidB) {
+ HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid>(Arrays.asList(uuidA));
+ for (ParcelUuid uuid : uuidB) {
if (uuidSet.contains(uuid)) return true;
}
return false;
@@ -199,19 +205,18 @@ public final class BluetoothUuid {
*
* @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;
+ return uuidB.length == 0;
}
if (uuidB == null) return true;
- HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA));
- for (ParcelUuid uuid: uuidB) {
+ HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid>(Arrays.asList(uuidA));
+ for (ParcelUuid uuid : uuidB) {
if (!uuidSet.contains(uuid)) return false;
}
return true;
@@ -221,13 +226,14 @@ public final class BluetoothUuid {
* Extract the Service Identifier or the actual uuid from the Parcel Uuid.
* For example, if 0000110B-0000-1000-8000-00805F9B34FB is the parcel Uuid,
* this function will return 110B
+ *
* @param parcelUuid
* @return the service identifier.
*/
public static int getServiceIdentifierFromParcelUuid(ParcelUuid parcelUuid) {
UUID uuid = parcelUuid.getUuid();
long value = (uuid.getMostSignificantBits() & 0x0000FFFF00000000L) >>> 32;
- return (int)value;
+ return (int) value;
}
/**
@@ -244,8 +250,8 @@ public final class BluetoothUuid {
throw new IllegalArgumentException("uuidBytes cannot be null");
}
int length = uuidBytes.length;
- if (length != UUID_BYTES_16_BIT && length != UUID_BYTES_32_BIT &&
- length != UUID_BYTES_128_BIT) {
+ if (length != UUID_BYTES_16_BIT && length != UUID_BYTES_32_BIT
+ && length != UUID_BYTES_128_BIT) {
throw new IllegalArgumentException("uuidBytes length invalid - " + length);
}
@@ -264,7 +270,7 @@ public final class BluetoothUuid {
shortUuid = uuidBytes[0] & 0xFF;
shortUuid += (uuidBytes[1] & 0xFF) << 8;
} else {
- shortUuid = uuidBytes[0] & 0xFF ;
+ shortUuid = uuidBytes[0] & 0xFF;
shortUuid += (uuidBytes[1] & 0xFF) << 8;
shortUuid += (uuidBytes[2] & 0xFF) << 16;
shortUuid += (uuidBytes[3] & 0xFF) << 24;
@@ -275,8 +281,8 @@ public final class BluetoothUuid {
}
/**
- * Parse UUID to bytes. The returned value is shortest representation, a 16-bit, 32-bit or 128-bit UUID,
- * Note returned value is little endian (Bluetooth).
+ * Parse UUID to bytes. The returned value is shortest representation, a 16-bit, 32-bit or
+ * 128-bit UUID, Note returned value is little endian (Bluetooth).
*
* @param uuid uuid to parse.
* @return shortest representation of {@code uuid} as bytes.
@@ -290,18 +296,18 @@ public final class BluetoothUuid {
if (is16BitUuid(uuid)) {
byte[] uuidBytes = new byte[UUID_BYTES_16_BIT];
int uuidVal = getServiceIdentifierFromParcelUuid(uuid);
- uuidBytes[0] = (byte)(uuidVal & 0xFF);
- uuidBytes[1] = (byte)((uuidVal & 0xFF00) >> 8);
+ uuidBytes[0] = (byte) (uuidVal & 0xFF);
+ uuidBytes[1] = (byte) ((uuidVal & 0xFF00) >> 8);
return uuidBytes;
}
if (is32BitUuid(uuid)) {
byte[] uuidBytes = new byte[UUID_BYTES_32_BIT];
int uuidVal = getServiceIdentifierFromParcelUuid(uuid);
- uuidBytes[0] = (byte)(uuidVal & 0xFF);
- uuidBytes[1] = (byte)((uuidVal & 0xFF00) >> 8);
- uuidBytes[2] = (byte)((uuidVal & 0xFF0000) >> 16);
- uuidBytes[3] = (byte)((uuidVal & 0xFF000000) >> 24);
+ uuidBytes[0] = (byte) (uuidVal & 0xFF);
+ uuidBytes[1] = (byte) ((uuidVal & 0xFF00) >> 8);
+ uuidBytes[2] = (byte) ((uuidVal & 0xFF0000) >> 16);
+ uuidBytes[3] = (byte) ((uuidVal & 0xFF000000) >> 24);
return uuidBytes;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 20:53:04 +0000