Merge "Replaced BitUtils#maskedEquals hidden API call" am: 3d4a7e57fe am: f1d8cbb46c am: 395496ff6a am: 49832ec945 am: e7ccfccd7d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1868764

Change-Id: I87dc103d79d2fbf63e2653f85575a9ad1161f356

2 files changed, 20 insertions, 4 deletions

diff --git a/core/java/android/bluetooth/le/BluetoothLeUtils.java b/core/java/android/bluetooth/le/BluetoothLeUtils.java
index 6381f557c1b2..ed50b09597bb 100644
--- a/core/java/android/bluetooth/le/BluetoothLeUtils.java
+++ b/core/java/android/bluetooth/le/BluetoothLeUtils.java
@@ -24,6 +24,7 @@ import java.util.Iterator;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
+import java.util.UUID;
 
 /**
  * Helper class for Bluetooth LE utils.
@@ -137,4 +138,21 @@ public class BluetoothLeUtils {
         }
     }
 
+    /**
+     * Compares two UUIDs with a UUID mask.
+     *
+     * @param data first {@link #UUID} to compare.
+     * @param uuid second {@link #UUID} to compare.
+     * @param mask mask {@link #UUID}.
+     * @return true if both UUIDs are equals when masked, false otherwise.
+     */
+    static boolean maskedEquals(UUID data, UUID uuid, UUID mask) {
+        if (mask == null) {
+            return Objects.equals(data, uuid);
+        }
+        return (data.getLeastSignificantBits() & mask.getLeastSignificantBits())
+                == (uuid.getLeastSignificantBits() & mask.getLeastSignificantBits())
+                && (data.getMostSignificantBits() & mask.getMostSignificantBits())
+                == (uuid.getMostSignificantBits() & mask.getMostSignificantBits());
+    }
 }
diff --git a/core/java/android/bluetooth/le/ScanFilter.java b/core/java/android/bluetooth/le/ScanFilter.java
index 8ff018121ab0..b059193ae03f 100644
--- a/core/java/android/bluetooth/le/ScanFilter.java
+++ b/core/java/android/bluetooth/le/ScanFilter.java
@@ -28,8 +28,6 @@ import android.os.Parcel;
 import android.os.ParcelUuid;
 import android.os.Parcelable;
 
-import com.android.internal.util.BitUtils;
-
 import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
@@ -448,7 +446,7 @@ public final class ScanFilter implements Parcelable {
 
     // Check if the uuid pattern matches the particular service uuid.
     private static boolean matchesServiceUuid(UUID uuid, UUID mask, UUID data) {
-        return BitUtils.maskedEquals(data, uuid, mask);
+        return BluetoothLeUtils.maskedEquals(data, uuid, mask);
     }
 
     /**
@@ -478,7 +476,7 @@ public final class ScanFilter implements Parcelable {
     // Check if the solicitation uuid pattern matches the particular service solicitation uuid.
     private static boolean matchesServiceSolicitationUuid(UUID solicitationUuid,
             UUID solicitationUuidMask, UUID data) {
-        return BitUtils.maskedEquals(data, solicitationUuid, solicitationUuidMask);
+        return BluetoothLeUtils.maskedEquals(data, solicitationUuid, solicitationUuidMask);
     }
 
     // Check whether the data pattern matches the parsed data.