Merge "Add UwbAddress to represent a UWB device" am: ad7d93b21a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1455077

Change-Id: If859fe469ada79540b4bf64cee1c2a4910eb077f

1 files changed, 82 insertions, 0 deletions

diff --git a/core/java/android/uwb/UwbAddress.java b/core/java/android/uwb/UwbAddress.java
new file mode 100644
index 000000000000..48fcb10e1a1a
--- /dev/null
+++ b/core/java/android/uwb/UwbAddress.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2020 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.uwb;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+
+/**
+ * A class representing a UWB address
+ *
+ * @hide
+ */
+public final class UwbAddress {
+    public static final int SHORT_ADDRESS_BYTE_LENGTH = 2;
+    public static final int EXTENDED_ADDRESS_BYTE_LENGTH = 8;
+
+    /**
+     * Create a {@link UwbAddress} from a byte array.
+     *
+     * <p>If the provided array is {@link #SHORT_ADDRESS_BYTE_LENGTH} bytes, a short address is
+     * created. If the provided array is {@link #EXTENDED_ADDRESS_BYTE_LENGTH} bytes, then an
+     * extended address is created.
+     *
+     * @param address a byte array to convert to a {@link UwbAddress}
+     * @return a {@link UwbAddress} created from the input byte array
+     * @throw IllegableArumentException when the length is not one of
+     *       {@link #SHORT_ADDRESS_BYTE_LENGTH} or {@link #EXTENDED_ADDRESS_BYTE_LENGTH} bytes
+     */
+    @NonNull
+    public static UwbAddress fromBytes(byte[] address) throws IllegalArgumentException {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Get the address as a byte array
+     *
+     * @return the byte representation of this {@link UwbAddress}
+     */
+    @NonNull
+    public byte[] toBytes() {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * The length of the address in bytes
+     * <p>Possible values are {@link #SHORT_ADDRESS_BYTE_LENGTH} and
+     * {@link #EXTENDED_ADDRESS_BYTE_LENGTH}.
+     */
+    public int size() {
+        throw new UnsupportedOperationException();
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean equals(@Nullable Object obj) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public int hashCode() {
+        throw new UnsupportedOperationException();
+    }
+}