Package ej.bluetooth.util

Class ServiceHelper

java.lang.Object

ej.bluetooth.util.ServiceHelper

public class ServiceHelper
extends Object

Provides utility methods related to GATT services.

Method Summary

Modifier and Type	Method	Description
static BluetoothCharacteristic	getCharacteristic(BluetoothService service, BluetoothUuid characteristicUuid)	Returns the characteristic with the given UUID in the given service.
static BluetoothDescriptor	getDescriptor(BluetoothCharacteristic characteristic, BluetoothUuid descriptorUuid)	Returns the descriptor with the given UUID in the given characteristic.
static int	getReadPermission(int securityLevel)	Returns the read permission for the given security level.
static int	getWritePermission(int securityLevel)	Returns the write permission for the given security level.
static void	printService(BluetoothService service, PrintStream printStream)	Prints information on the given service to the given print stream.

Methods inherited from class java.lang.Object

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

Method Detail

getReadPermission

public static int getReadPermission(int securityLevel)

Returns the read permission for the given security level.

Parameters:

securityLevel - the security level (see SecurityLevels).

Returns:

the read permission for the given security level (see BluetoothPermissions).

getWritePermission

public static int getWritePermission(int securityLevel)

Returns the write permission for the given security level.

Parameters:

securityLevel - the security level (see SecurityLevels).

Returns:

the write permission for the given security level (see BluetoothPermissions).

getCharacteristic

public static BluetoothCharacteristic getCharacteristic(BluetoothService service,
                                                        BluetoothUuid characteristicUuid)
                                                 throws AttributeNotFoundException

Returns the characteristic with the given UUID in the given service.

If multiple characteristics have the same UUID, any of them may be returned.

Parameters:

service - the service to search in.

characteristicUuid - the UUID of the characteristic to look for.

Returns:

the characteristic with the given UUID.

Throws:

AttributeNotFoundException - if this service does not provide a characteristic with the given UUID.

getDescriptor

public static BluetoothDescriptor getDescriptor(BluetoothCharacteristic characteristic,
                                                BluetoothUuid descriptorUuid)
                                         throws AttributeNotFoundException

Returns the descriptor with the given UUID in the given characteristic.

If multiple descriptors have the same UUID, any of them may be returned.

Parameters:

characteristic - the characteristic to search in.

descriptorUuid - the UUID of the descriptor to look for.

Returns:

the descriptor with the given UUID.

Throws:

AttributeNotFoundException - if this characteristic does not provide a descriptor with the given UUID.

printService

public static void printService(BluetoothService service,
                                PrintStream printStream)

Prints information on the given service to the given print stream.

Parameters:

service - the service to inspect.

printStream - the print stream to print to.