Java APIs for Bluetooth Wireless Technology: Class DeviceClass

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javax.bluetooth
Class DeviceClass

java.lang.Object
  |
  +--javax.bluetooth.DeviceClass

public class DeviceClass
extends java.lang.Object

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 ( http://www.bluetooth.org/assigned-numbers/baseband.htm) 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

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

Constructor Summary

DeviceClass(int record)
          Creates a DeviceClass from the class of device record provided.

Method Summary

int getMajorDeviceClass()
          Retrieves the major device class.

int getMinorDeviceClass()
          Retrieves the minor device class.

int getServiceClasses()
          Retrieves the major service classes.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DeviceClass

public DeviceClass(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.

Parameters:: record - describes the classes of a device
Throws:: IllegalArgumentException - if record has any bits between 24 and 31 set

Method Detail

getServiceClasses

public int getServiceClasses()

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.

Returns:: the major service classes

getMajorDeviceClass

public int getMajorDeviceClass()

Retrieves the major device class. A device may have only a single major device class.

Returns:: the major device class

getMinorDeviceClass

public int getMinorDeviceClass()

Retrieves the minor device class.

Returns:: the minor device class