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   1 /**
   2  * Copyright (c) 2010-2020 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.bluetooth.bluez.internal;
  14
  15 import java.util.Collection;
  16 import java.util.List;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.binding.bluetooth.BluetoothAddress;
  21
  22 import com.github.hypfvieh.bluetooth.DeviceManager;
  23 import com.github.hypfvieh.bluetooth.wrapper.BluetoothAdapter;
  24 import com.github.hypfvieh.bluetooth.wrapper.BluetoothDevice;
  25
  26 /**
  27  * This is a threadsafe wrapper for a {@link DeviceManager} that also only exposes the methods
  28  * required to implement this binding.
  29  *
  30  * @author Connor Petty - Initial Contribution
  31  */
  32 @NonNullByDefault
  33 public class DeviceManagerWrapper {
  34
  35     private DeviceManager deviceManager;
  36
  37     public DeviceManagerWrapper(DeviceManager deviceManager) {
  38         this.deviceManager = deviceManager;
  39     }
  40
  41     public synchronized Collection<BluetoothAdapter> scanForBluetoothAdapters() {
  42         return deviceManager.scanForBluetoothAdapters();
  43     }
  44
  45     public synchronized @Nullable BluetoothAdapter getAdapter(BluetoothAddress address) {
  46         // we don't use `deviceManager.getAdapter` here since it might perform a scan if the adapter is missing.
  47         String addr = address.toString();
  48         List<BluetoothAdapter> adapters = deviceManager.getAdapters();
  49         if (adapters != null) {
  50             for (BluetoothAdapter btAdapter : adapters) {
  51                 String btAddr = btAdapter.getAddress();
  52                 if (addr.equalsIgnoreCase(btAddr)) {
  53                     return btAdapter;
  54                 }
  55             }
  56         }
  57         return null;
  58     }
  59
  60     public synchronized List<BluetoothDevice> getDevices(BluetoothAdapter adapter) {
  61         return deviceManager.getDevices(adapter.getAddress(), true);
  62     }
  63 }