org.universAAL.middleware.connectors.discovery.slp
Class SLPDiscoveryConnector

java.lang.Object
  org.universAAL.middleware.connectors.discovery.slp.SLPDiscoveryConnector

All Implemented Interfaces:

Connector, DiscoveryConnector, SharedObjectListener

public class SLPDiscoveryConnector
extends Object
implements DiscoveryConnector, SharedObjectListener

Implementation of the SLP Discovery Connector

Author:

Michele Girolami, Giancarlo Riolo

Constructor Summary

SLPDiscoveryConnector(ModuleContext context)

Method Summary

void	addAALSpaceListener(ServiceListener listener)
void	announceAALSpace(AALSpaceCard card) This method implements how to announce an AALSpace by adopting the SLP protocol
void	deregisterAALSpace(AALSpaceCard spaceCard) De-register an AALSpace
void	dispose()
List<AALSpaceCard>	findAALSpace() Discovers all the AALSpace without a filter
List<AALSpaceCard>	findAALSpace(Dictionary<String,String> filters) This method finds an AALSpace by using the specified filter in the SLP network
String	getDescription()
String	getName()
String	getProvider()
String	getSDPPRotocol()
String	getVersion()
boolean	init()
void	loadConfigurations(Dictionary properties) This method allows the connector to obtain all the required configurations
void	removeAALSpaceListener(ServiceListener listener)
void	sharedObjectAdded(Object sharedObj, Object removeHook)
void	sharedObjectRemoved(Object removeHook)
String	toString() This method prints the Connector properties: name, version, description and provider
protected static Dictionary	unmarshalServiceAttributes(ServiceLocationEnumeration attributes) This method converts the list of attributes as a Dictionary of properties.

Methods inherited from class java.lang.Object

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

Constructor Detail

SLPDiscoveryConnector

public SLPDiscoveryConnector(ModuleContext context)

Method Detail

init

public boolean init()

Specified by:

init in interface Connector

dispose

public void dispose()

Specified by:

dispose in interface Connector

announceAALSpace

public void announceAALSpace(AALSpaceCard card)
                      throws DiscoveryConnectorException

This method implements how to announce an AALSpace by adopting the SLP protocol

Specified by:

announceAALSpace in interface DiscoveryConnector

Throws:

DiscoveryConnectorException

deregisterAALSpace

public void deregisterAALSpace(AALSpaceCard spaceCard)
                        throws DiscoveryConnectorException

Description copied from interface: DiscoveryConnector

De-register an AALSpace

Specified by:

deregisterAALSpace in interface DiscoveryConnector

Throws:

DiscoveryConnectorException

findAALSpace

public List<AALSpaceCard> findAALSpace()
                                throws DiscoveryConnectorException

Description copied from interface: DiscoveryConnector

Discovers all the AALSpace without a filter

Specified by:

findAALSpace in interface DiscoveryConnector

Returns:

Throws:

DiscoveryConnectorException

findAALSpace

public List<AALSpaceCard> findAALSpace(Dictionary<String,String> filters)
                                throws DiscoveryConnectorException

This method finds an AALSpace by using the specified filter in the SLP network

Specified by:

findAALSpace in interface DiscoveryConnector

Returns:

Throws:

DiscoveryConnectorException

unmarshalServiceAttributes

protected static Dictionary unmarshalServiceAttributes(ServiceLocationEnumeration attributes)
                                                throws DiscoveryConnectorException

This method converts the list of attributes as a Dictionary of properties.

Parameters:

attributes -

Returns:

Throws:

DiscoveryConnectorException

loadConfigurations

public void loadConfigurations(Dictionary properties)

Description copied from interface: Connector

This method allows the connector to obtain all the required configurations

Specified by:

loadConfigurations in interface Connector

getDescription

public String getDescription()

Specified by:

getDescription in interface Connector

getName

public String getName()

Specified by:

getName in interface Connector

getProvider

public String getProvider()

Specified by:

getProvider in interface Connector

getVersion

public String getVersion()

Specified by:

getVersion in interface Connector

getSDPPRotocol

public String getSDPPRotocol()

Specified by:

getSDPPRotocol in interface DiscoveryConnector

toString

public String toString()

This method prints the Connector properties: name, version, description and provider

Overrides:

toString in class Object

Returns:

addAALSpaceListener

public void addAALSpaceListener(ServiceListener listener)

Specified by:

addAALSpaceListener in interface DiscoveryConnector

removeAALSpaceListener

public void removeAALSpaceListener(ServiceListener listener)

Specified by:

removeAALSpaceListener in interface DiscoveryConnector

sharedObjectAdded

public void sharedObjectAdded(Object sharedObj,
                              Object removeHook)

Specified by:

sharedObjectAdded in interface SharedObjectListener

sharedObjectRemoved

public void sharedObjectRemoved(Object removeHook)

Specified by:

sharedObjectRemoved in interface SharedObjectListener