org.universAAL.ri.gateway.communication.cipher

Class StreamCipher

java.lang.Object

org.universAAL.ri.gateway.communication.cipher.StreamCipher

All Implemented Interfaces:

SocketCipher

public class StreamCipher
extends Object
implements SocketCipher

Author:

amedrano

Constructor Summary

Constructors

Constructor and Description
StreamCipher()

Method Summary

Modifier and Type	Method and Description
SocketCipher	acceptedSocket(Socket socket) Used to set the socket, specially to add the accepted socket.
Socket	createClientSocket(InetAddress host, int port) Create and connect a Socket.
ServerSocket	createServerSocket(int port, int backlog, InetAddress ifAddress) Create a ServerSocket.
Message	readMessage() Read the next message in the socket.
boolean	sendMessage(Message m) Marshalls, ciphers and sends the message.
boolean	setup(Properties props) Set up the Cipher with the properties.

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamCipher

public StreamCipher()

Method Detail

setup

public boolean setup(Properties props)

Set up the Cipher with the properties.

Specified by:

setup in interface SocketCipher

Returns:

createServerSocket

public ServerSocket createServerSocket(int port,
                                       int backlog,
                                       InetAddress ifAddress)
                                throws IOException

Create a ServerSocket.

Specified by:

createServerSocket in interface SocketCipher

Parameters:

port - the port to listen to.

backlog - the number of allowed pending connections.

ifAddress - the address to which to bind.

Returns:

The Server Socket.

Throws:

IOException

See Also:

ServerSocketFactory.createServerSocket(int, int, InetAddress)

acceptedSocket

public SocketCipher acceptedSocket(Socket socket)

Used to set the socket, specially to add the accepted socket.

Specified by:

acceptedSocket in interface SocketCipher

createClientSocket

public Socket createClientSocket(InetAddress host,
                                 int port)
                          throws IOException

Create and connect a Socket. Automatically sets the Socket.

Specified by:

createClientSocket in interface SocketCipher

Parameters:

host - The address of the server.

port - The port of the server.

Returns:

An opened socked.

Throws:

IOException

See Also:

SocketFactory.createSocket(InetAddress, int)

sendMessage

public boolean sendMessage(Message m)
                    throws org.bouncycastle.crypto.CryptoException,
                           IOException

Marshalls, ciphers and sends the message.

Specified by:

sendMessage in interface SocketCipher

Parameters:

m - message to be sent.

Returns:

Throws:

org.bouncycastle.crypto.CryptoException

EOFException - This means the underlying socket is closed.

IOException

readMessage

public Message readMessage()
                    throws org.bouncycastle.crypto.CryptoException,
                           IOException

Read the next message in the socket.

Specified by:

readMessage in interface SocketCipher

Returns:

Throws:

org.bouncycastle.crypto.CryptoException

EOFException - This means the underlying socket is closed.

IOException