Examples of java.net.ServerSocket.bind()

java.net.ServerSocket.bind()
Binds the ServerSocket to a specific address (IP address and port number).
If the address is null, then the system will pick up an ephemeral port and a valid local address to bind the socket.
@param endpoint The IP address & port number to bind to. @throws IOException if the bind operation fails, or if the socketis already bound. @throws SecurityException if a SecurityManager is present andits checkListen method doesn't allow the operation. @throws IllegalArgumentException if endpoint is aSocketAddress subclass not supported by this socket @since 1.4

                 * Now using the hostname.
                 */
                serverSocket = new ServerSocket();
                InetSocketAddress sa =
                    new InetSocketAddress(hostname, currPort);
                serverSocket.bind(sa);
                serverSocket.close();
                return currPort;
            } catch (IOException e) {
                /* Try the next port number. */
                continue;

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        if (thread == null) {
            throw MESSAGES.failedToCreateServerThread();
        }
        thread.setName("Accept thread");
        serverSocket.setReuseAddress(true);
        serverSocket.bind(bindAddress, backlog);
        boundAddress = (InetSocketAddress) serverSocket.getLocalSocketAddress();
        thread.start();
    }


    public void stop() {

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     * @return the server socket
     * @throws IOException
     */
    public ServerSocket createServerSocket() throws IOException {
        final ServerSocket socket = getServerSocketFactory().createServerSocket(name);
        socket.bind(getSocketAddress());
        return socket;
    }


    /**
     * Create and bind a server socket.

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     * @return the server socket
     * @throws IOException
     */
    public ServerSocket createServerSocket(int backlog) throws IOException {
        final ServerSocket socket = getServerSocketFactory().createServerSocket(name);
        socket.bind(getSocketAddress(), backlog);
        return socket;
    }


    /**
     * Create and bind a datagram socket.

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        selector = Selector.open();
        serverChannel.register(selector, SelectionKey.OP_ACCEPT);
        ServerSocket acceptSocket = serverChannel.socket();
        /* No timeout */
        acceptSocket.setSoTimeout(0);
        acceptSocket.bind(socketAddress);
        if (repImpl == null) {
            logger = LoggerUtils.getLoggerFormatterNeeded(getClass());
        } else {
            logger = LoggerUtils.getLogger(getClass());
        }

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        }
        // create servers socket, bind it and then validate basic state
        ServerSocket theSocket = new ServerSocket();
        InetSocketAddress theAddress = new InetSocketAddress(InetAddress
                .getLocalHost(), 0);
        theSocket.bind(theAddress);
        int portNumber = theSocket.getLocalPort();
        assertTrue(
                "Returned incorrect InetSocketAddress(2):"
                        + theSocket.getLocalSocketAddress().toString()
                        + "Expected: "

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        clientSocket.close();


        // validate we can specify null for the address in the bind and all
        // goes ok
        theSocket = new ServerSocket();
        theSocket.bind(null);
        theSocket.close();


        // Address that we have already bound to
        theSocket = new ServerSocket();
        ServerSocket theSocket2 = new ServerSocket();

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        ServerSocket theSocket2 = new ServerSocket();
        try {
            theAddress = new InetSocketAddress(InetAddress.getLocalHost(), 0);
            theSocket.bind(theAddress);
            SocketAddress localAddress = theSocket.getLocalSocketAddress();
            theSocket2.bind(localAddress);
            fail("No exception binding to address that is not available");
        } catch (IOException ex) {
        }
        theSocket.close();
        theSocket2.close();

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        // create servers socket, bind it and then validate basic state
        ServerSocket theSocket = new ServerSocket();
        InetSocketAddress theAddress = new InetSocketAddress(InetAddress
                .getLocalHost(), 0);
        theSocket.bind(theAddress, 5);
        int portNumber = theSocket.getLocalPort();
        assertTrue(
                "Returned incorrect InetSocketAddress(2):"
                        + theSocket.getLocalSocketAddress().toString()
                        + "Expected: "

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        clientSocket.close();


        // validate we can specify null for the address in the bind and all
        // goes ok
        theSocket = new ServerSocket();
        theSocket.bind(null, 5);
        theSocket.close();


        // Address that we have already bound to
        theSocket = new ServerSocket();
        ServerSocket theSocket2 = new ServerSocket();

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