Implement UWB Address (9ae9b395) · Commits · e / os / android_frameworks_base

core/java/android/uwb/UwbAddress.java

+27 −8

Original line number	Diff line number	Diff line
		@@ -19,6 +19,8 @@ package android.uwb;
		import android.annotation.NonNull;
		import android.annotation.Nullable;

		import java.util.Arrays;

		/**
		* A class representing a UWB address
		*
		@@ -28,6 +30,12 @@ public final class UwbAddress {
		public static final int SHORT_ADDRESS_BYTE_LENGTH = 2;
		public static final int EXTENDED_ADDRESS_BYTE_LENGTH = 8;

		private final byte[] mAddressBytes;

		private UwbAddress(byte[] address) {
		mAddressBytes = address;
		}

		/**
		* Create a {@link UwbAddress} from a byte array.
		*
		@@ -37,12 +45,16 @@ public final class UwbAddress {
		*
		* @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
		* @throws IllegalArgumentException 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();
		public static UwbAddress fromBytes(@NonNull byte[] address) throws IllegalArgumentException {
		if (address.length != SHORT_ADDRESS_BYTE_LENGTH
		&& address.length != EXTENDED_ADDRESS_BYTE_LENGTH) {
		throw new IllegalArgumentException("Invalid UwbAddress length " + address.length);
		}
		return new UwbAddress(address);
		}

		/**
		@@ -52,7 +64,7 @@ public final class UwbAddress {
		*/
		@NonNull
		public byte[] toBytes() {
		throw new UnsupportedOperationException();
		return mAddressBytes;
		}

		/**
		@@ -61,22 +73,29 @@ public final class UwbAddress {
		* {@link #EXTENDED_ADDRESS_BYTE_LENGTH}.
		*/
		public int size() {
		throw new UnsupportedOperationException();
		return mAddressBytes.length;
		}

		@NonNull
		@Override
		public String toString() {
		throw new UnsupportedOperationException();
		StringBuilder builder = new StringBuilder("0x");
		for (byte addressByte : mAddressBytes) {
		builder.append(String.format("%02X", addressByte));
		}
		return builder.toString();
		}

		@Override
		public boolean equals(@Nullable Object obj) {
		throw new UnsupportedOperationException();
		if (obj instanceof UwbAddress) {
		return Arrays.equals(mAddressBytes, ((UwbAddress) obj).toBytes());
		}
		return false;
		}

		@Override
		public int hashCode() {
		throw new UnsupportedOperationException();
		return Arrays.hashCode(mAddressBytes);
		}
		}