Package com.inesm.KeyManager.services

Class CommunicationService

java.lang.Object

com.inesm.KeyManager.services.CommunicationService

@Service
public class CommunicationService
extends Object

Provides methods that used to coordinate communication between stations at more of a network level.

Constructor Summary

Constructors

Constructor	Description
CommunicationService(KeyManager keyManager, CryptographyService crypto, KeySupplier keySuplier, MessageManager msgService)	Constructor for CommunicationService.

Method Summary

Modifier and Type	Method	Description
List<OutboundMessages>	getResourcesForStations()	Gets all waiting network resources.
void	process(ObjectInputStream objIn)	Process a network resource from an input stream.

Methods inherited from class java.lang.Object

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

Constructor Details

CommunicationService

@Autowired
public CommunicationService(KeyManager keyManager,
 CryptographyService crypto,
 KeySupplier keySuplier,
 MessageManager msgService)

Constructor for CommunicationService.

Parameters:

keyManager - the key manager used

crypto - the service providing cryptographic algorithms

keySuplier - the service providing the keys

msgService - the message manager used

Method Details

getResourcesForStations

public List<OutboundMessages> getResourcesForStations()
                                               throws InterruptedException

Gets all waiting network resources. Checks for all waiting network resources to be sent. If none are found, it will block and wait for the creation of network resources.

Groups the network resources by destination and saves them in a list.

Returns:

an object containing the list of network resources for a given station and the station's corresponding IP Address.

Throws:

InterruptedException - if any thread interrupted the current thread before or while the current thread was waiting

process

public void process(ObjectInputStream objIn)
             throws ClassNotFoundException,
IOException,
ObjectNotMappedException,
ObjectNotFoundException,
InvalidParametersException,
InvalidSignatureException

Process a network resource from an input stream.

Parameters:

objIn - the input stream to be processed

Throws:

ClassNotFoundException - if the class of the serialized object can't be found

IOException - if a problem occurred reading the input stream

ObjectNotMappedException - if the network resource received is not expected by the method

ObjectNotFoundException - if the network resource is a receipt, and the message referenced is not found

InvalidParametersException - if the network resource contains invalid parameters

InvalidSignatureException - if the network resource contains an invalid signature