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• DeviceClass.java

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javax.bluetooth.DeviceClass Maven / Gradle / Ivy

/**
 *  BlueCove - Java library for Bluetooth
 *
 *  Java docs licensed under the Apache License, Version 2.0
 *  http://www.apache.org/licenses/LICENSE-2.0 
 *   (c) Copyright 2001, 2002 Motorola, Inc.  ALL RIGHTS RESERVED.
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.
 *  
 *  @version $Id: DeviceClass.java 2530 2008-12-09 18:52:53Z skarzhevskyy $
 */ 
package javax.bluetooth;

import com.intel.bluetooth.BluetoothConsts;
import com.intel.bluetooth.DebugLog;

/**
 * The DeviceClass class represents the class of device (CoD)
 * record as defined by the Bluetooth specification.  This record is defined in
 * the Bluetooth Assigned Numbers document
 * and contains information on the type of the device and the type of services
 * available on the device.
 * 

 *  The Bluetooth Assigned Numbers document defines the service class, major
 * device class, and minor device class.  The table below provides some
 * examples of possible return values and their meaning:
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
Method
Return Value
Class of Device
getServiceClasses()
0x22000
Networking and Limited Discoverable Major Service Classes
getServiceClasses()
0x100000
Object Transfer Major Service Class
getMajorDeviceClass()
0x00
Miscellaneous Major Device Class
getMajorDeviceClass()
0x200
Phone Major Device Class
getMinorDeviceClass()
0x0C
With a Computer Major Device Class,
 *   Laptop Minor Device Class
getMinorDeviceClass()
0x04
With a Phone Major Device Class,
 *   Cellular Minor Device Class
 *
 */

public class DeviceClass {

	private static final int SERVICE_MASK = 0xffe000;

	private static final int MAJOR_MASK = 0x001f00;

	private static final int MINOR_MASK = 0x0000fc;

	private int record;

    /**
     * Creates a DeviceClass from the class of device record
     * provided.  record must follow the format of the
     * class of device record in the Bluetooth specification.
     *
     * @param record describes the classes of a device
     *
     * @exception IllegalArgumentException if record has any bits
     * between 24 and 31 set
	 */

	public DeviceClass(int record) {
		
		DebugLog.debug("new DeviceClass", record);
		
		this.record = record;

		if ((record & 0xff000000) != 0)
			throw new IllegalArgumentException();
	}

	/**
	 * Retrieves the major service classes. A device may have multiple major
     * service classes.  When this occurs, the major service classes are
     * bitwise OR'ed together.
     *
     * @return the major service classes
	 */

	public int getServiceClasses() {
		return record & SERVICE_MASK;
	}

    /**
	 * Retrieves the major device class. A device may have only a single major
     * device class.
     *
     * @return the major device class
	 */

	public int getMajorDeviceClass() {
		return record & MAJOR_MASK;
	}

    /**
     * Retrieves the minor device class.
     *
     * @return the minor device class
	 */

	public int getMinorDeviceClass() {
		return record & MINOR_MASK;
	}

	/**
	 * Non JSR-82 function.
	 * 
	 * @deprecated Use ((Object)deviceClass).toString() if you want your application to run in MDIP profile
	 */
	public String toString() {
		return BluetoothConsts.toString(this);
	}
}