public abstract class ServerSocketFactory extends Object implements Cloneable
Like socket factories, Server Socket factory instances have two categories of methods. First are methods used to create sockets. Second are methods which set properties used in the production of sockets, such as networking options. There is also an environment specific default server socket factory; frameworks will often use their own customized factory.
Modifier and Type | Field and Description |
---|---|
protected Hashtable |
attributes |
Modifier | Constructor and Description |
---|---|
protected |
ServerSocketFactory()
Constructor is used only by subclasses.
|
Modifier and Type | Method and Description |
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abstract Socket |
acceptSocket(ServerSocket socket)
Wrapper function for accept().
|
abstract ServerSocket |
createSocket(int port)
Returns a server socket which uses all network interfaces on
the host, and is bound to a the specified port.
|
abstract ServerSocket |
createSocket(int port,
int backlog)
Returns a server socket which uses all network interfaces on
the host, is bound to a the specified port, and uses the
specified connection backlog.
|
abstract ServerSocket |
createSocket(int port,
int backlog,
InetAddress ifAddress)
Returns a server socket which uses only the specified network
interface on the local host, is bound to a the specified port,
and uses the specified connection backlog.
|
static ServerSocketFactory |
getDefault()
Returns a copy of the environment's default socket factory.
|
abstract void |
handshake(Socket sock)
Extra function to initiate the handshake.
|
void |
initSocket(Socket s) |
void |
setAttribute(String name,
Object value)
General mechanism to pass attributes from the
ServerConnector to the socket factory.
|
protected Hashtable attributes
protected ServerSocketFactory()
public void setAttribute(String name, Object value)
public static ServerSocketFactory getDefault()
public abstract ServerSocket createSocket(int port) throws IOException, InstantiationException
port
- the port to listen toIOException
- for networking errorsInstantiationException
- for construction errorspublic abstract ServerSocket createSocket(int port, int backlog) throws IOException, InstantiationException
port
- the port to listen tobacklog
- how many connections are queuedIOException
- for networking errorsInstantiationException
- for construction errorspublic abstract ServerSocket createSocket(int port, int backlog, InetAddress ifAddress) throws IOException, InstantiationException
port
- the port to listen tobacklog
- how many connections are queuedifAddress
- the network interface address to useIOException
- for networking errorsInstantiationException
- for construction errorspublic void initSocket(Socket s)
public abstract Socket acceptSocket(ServerSocket socket) throws IOException
IOException;
IOException
public abstract void handshake(Socket sock) throws IOException
IOException;
IOException
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