core/java/android/bluetooth/BluetoothHidDeviceAppSdpSettings.java

/*
 * Copyright (C) 2016 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.Parcel;
import android.os.Parcelable;

import java.util.Arrays;

/**
 * Represents the Service Discovery Protocol (SDP) settings for a Bluetooth HID Device application.
 *
 * <p>The BluetoothHidDevice framework adds the SDP record during app registration, so that the
 * Android device can be discovered as a Bluetooth HID Device.
 *
 * <p>{@see BluetoothHidDevice}
 */
public final class BluetoothHidDeviceAppSdpSettings implements Parcelable {

    public final String name;
    public final String description;
    public final String provider;
    public final byte subclass;
    public final byte[] descriptors;

    /**
     * Create a BluetoothHidDeviceAppSdpSettings object for the Bluetooth SDP record.
     *
     * @param name Name of this Bluetooth HID device. Maximum length is 50 bytes.
     * @param description Description for this Bluetooth HID device. Maximum length is 50 bytes.
     * @param provider Provider of this Bluetooth HID device. Maximum length is 50 bytes.
     * @param subclass Subclass of this Bluetooth HID device. See <a
     *     href="www.usb.org/developers/hidpage/HID1_11.pdf">
     *     www.usb.org/developers/hidpage/HID1_11.pdf Section 4.2</a>
     * @param descriptors Descriptors of this Bluetooth HID device. See <a
     *     href="www.usb.org/developers/hidpage/HID1_11.pdf">
     *     www.usb.org/developers/hidpage/HID1_11.pdf Chapter 6</a> Maximum length is 2048 bytes.
     */
    public BluetoothHidDeviceAppSdpSettings(
            String name, String description, String provider, byte subclass, byte[] descriptors) {
        this.name = name;
        this.description = description;
        this.provider = provider;
        this.subclass = subclass;
        this.descriptors = descriptors.clone();
    }

    @Override
    public boolean equals(Object o) {
        if (o instanceof BluetoothHidDeviceAppSdpSettings) {
            BluetoothHidDeviceAppSdpSettings sdp = (BluetoothHidDeviceAppSdpSettings) o;
            return this.name.equals(sdp.name)
                    && this.description.equals(sdp.description)
                    && this.provider.equals(sdp.provider)
                    && this.subclass == sdp.subclass
                    && Arrays.equals(this.descriptors, sdp.descriptors);
        }
        return false;
    }

    @Override
    public int describeContents() {
        return 0;
    }

    public static final Parcelable.Creator<BluetoothHidDeviceAppSdpSettings> CREATOR =
            new Parcelable.Creator<BluetoothHidDeviceAppSdpSettings>() {

                @Override
                public BluetoothHidDeviceAppSdpSettings createFromParcel(Parcel in) {

                    return new BluetoothHidDeviceAppSdpSettings(
                            in.readString(),
                            in.readString(),
                            in.readString(),
                            in.readByte(),
                            in.createByteArray());
                }

                @Override
                public BluetoothHidDeviceAppSdpSettings[] newArray(int size) {
                    return new BluetoothHidDeviceAppSdpSettings[size];
                }
            };

    @Override
    public void writeToParcel(Parcel out, int flags) {
        out.writeString(name);
        out.writeString(description);
        out.writeString(provider);
        out.writeByte(subclass);
        out.writeByteArray(descriptors);
    }
}