de.unikassel.android.sdcframework.transmission
Class AbstractConnectionStrategy

java.lang.Object
  de.unikassel.android.sdcframework.util.AbstractChainWorker<ProtocolStrategy>
      de.unikassel.android.sdcframework.transmission.AbstractConnectionStrategy

All Implemented Interfaces:

ConnectionStrategy, ChainWorker<ProtocolStrategy>

Direct Known Subclasses:

MobileConnectionStrategy, UseAvailableConnectionStrategy, WLANConnectionStrategy

public abstract class AbstractConnectionStrategy
extends AbstractChainWorker<ProtocolStrategy>
implements ConnectionStrategy

Abstract base class for connection strategy types, knowing a successor to delegate to if the strategy fails.

Field Summary

private ConnectivityWrapper	connectivityWrapper The the connectivity wrapper to access network information
private Class<?>	controlActivityClass The control activity class to use for notifications.
static int	NOTIFICATION The notification id

Constructor Summary

AbstractConnectionStrategy(ConnectivityWrapper connectivityWrapper, Class<?> controlActivityClass)
Constructor

Method Summary

boolean	doWork(ProtocolStrategy protocolStrategy) The work method called by the client
protected ConnectivityWrapper	getConnectivityWrapper() Getter for the connectivity wrapper
protected boolean	isConnectionAvailable(Context context, int networkType, String hostName) Internal method to test for an available connection of a specific type
protected boolean	process(ProtocolStrategy protocolStrategy) Processing method of the worker

Methods inherited from class de.unikassel.android.sdcframework.util.AbstractChainWorker

getSuccessor, setSuccessor, withSuccessor

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.unikassel.android.sdcframework.transmission.facade.ConnectionStrategy

isConnectionAvailable

Methods inherited from interface de.unikassel.android.sdcframework.util.facade.ChainWorker

getSuccessor, setSuccessor, withSuccessor

Field Detail

NOTIFICATION

public static final int NOTIFICATION

The notification id

connectivityWrapper

private final ConnectivityWrapper connectivityWrapper

The the connectivity wrapper to access network information

controlActivityClass

private final Class<?> controlActivityClass

The control activity class to use for notifications.

Constructor Detail

AbstractConnectionStrategy

public AbstractConnectionStrategy(ConnectivityWrapper connectivityWrapper,
                                  Class<?> controlActivityClass)

Constructor

Parameters:

connectivityWrapper - the connectivity wrapper to use

controlActivityClass - the control activity class or null

Method Detail

getConnectivityWrapper

protected ConnectivityWrapper getConnectivityWrapper()

Getter for the connectivity wrapper

Returns:

the connectivity wrapper

doWork

public final boolean doWork(ProtocolStrategy protocolStrategy)

Description copied from interface: ChainWorker

The work method called by the client

Specified by:

doWork in interface ChainWorker<ProtocolStrategy>

Overrides:

doWork in class AbstractChainWorker<ProtocolStrategy>

Parameters:

protocolStrategy - the client to do the work for

Returns:

true if successful, false otherwise

process

protected final boolean process(ProtocolStrategy protocolStrategy)

Description copied from class: AbstractChainWorker

Processing method of the worker

Specified by:

process in class AbstractChainWorker<ProtocolStrategy>

Parameters:

protocolStrategy - the client

Returns:

true if successful

isConnectionAvailable

protected final boolean isConnectionAvailable(Context context,
                                              int networkType,
                                              String hostName)

Internal method to test for an available connection of a specific type

Parameters:

context - the application context

networkType - the network type

hostName - the host name if a rout to host shall be tested, otherwise null

Returns:

true if a connection is available, false otherwise