Example usage for java.net Socket Socket

Introduction

In this page you can find the example usage for java.net Socket Socket.

Prototype

public Socket(InetAddress address, int port) throws IOException 

Source Link

Document

Creates a stream socket and connects it to the specified port number at the specified IP address.

Usage

From source file:cit360.sandbox.BackEndMenu.java

public static final void smtpExample() {
    // declaration section:
    // smtpClient: our client socket
    // os: output stream
    // is: input stream
    Socket smtpSocket = null;/*www.  j a  v a 2  s  .c om*/
    DataOutputStream os = null;
    DataInputStream is = null;
    // Initialization section:
    // Try to open a socket on port 25
    // Try to open input and output streams
    try {
        smtpSocket = new Socket("localhost", 25);
        os = new DataOutputStream(smtpSocket.getOutputStream());
        is = new DataInputStream(smtpSocket.getInputStream());
    } catch (UnknownHostException e) {
        System.err.println("Did not recognize server: localhost");
    } catch (IOException e) {
        System.err.println("Was not able to open I/O connection to: localhost");
    }
    // If everything has been initialized then we want to write some data
    // to the socket we have opened a connection to on port 25
    if (smtpSocket != null && os != null && is != null) {
        try {

            os.writeBytes("HELO\n");
            os.writeBytes("MAIL From: david.banks0889@gmail.com\n");
            os.writeBytes("RCPT To: david.banks0889@gmail.com\n");
            os.writeBytes("DATA\n");
            os.writeBytes("From: david.banks0889@gmail.com\n");
            os.writeBytes("Subject: TEST\n");
            os.writeBytes("Hi there\n"); // message body
            os.writeBytes("\n.\n");
            os.writeBytes("QUIT");
            // keep on reading from/to the socket till we receive the "Ok" from SMTP,
            // once we received that then we want to break.
            String responseLine;
            while ((responseLine = is.readLine()) != null) {
                System.out.println("Server: " + responseLine);
                if (responseLine.contains("Ok")) {
                    break;
                }
            }
            // clean up:
            // close the output stream
            // close the input stream
            // close the socket
            os.close();
            is.close();
            smtpSocket.close();
        } catch (UnknownHostException e) {
            System.err.println("Trying to connect to unknown host: " + e);
        } catch (IOException e) {
            System.err.println("IOException:  " + e);
        }
    }
}

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From source file:ext.services.network.Proxy.java

/**
 * Instantiates a new proxy./*from  w w w  . j  av  a 2s .co m*/
 * 
 * @param type 
 * @param url 
 * @param port 
 * @param user 
 * @param password 
 * 
 * @throws UnknownHostException the unknown host exception
 * @throws IOException Signals that an I/O exception has occurred.
 */
public Proxy(Type type, String url, int port, String user, String password)
        throws UnknownHostException, IOException {
    super(type, new Socket(url, port).getRemoteSocketAddress());
    this.url = url;
    this.port = port;
    this.user = user;
    this.password = password;
}

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From source file:net.sf.profiler4j.console.client.Client.java

public synchronized void connect(String host, int port) throws ClientException {
    try {// ww w  .  ja v  a  2  s. c o m
        if (isConnected()) {
            throw new ClientException("Client already connected");
        }
        s = new Socket(host, port);
        out = new ObjectOutputStream(new BufferedOutputStream(s.getOutputStream()));
        in = new ObjectInputStream(new BufferedInputStream(s.getInputStream()));
        String serverVersion = in.readUTF();
        if (!serverVersion.equals(AgentConstants.VERSION)) {
            s.close();
            s = null;
            out = null;
            in = null;
            throw new ClientException("Version of remote agent is incompatible: console is '"
                    + AgentConstants.VERSION + "' but agent is '" + serverVersion + "'");
        }
        log.info("Client connected to " + host + ":" + port);
    } catch (Exception e) {
        handleException(e);
    }
    // fireClientEvent(new ClientEvent(this, ClientEvent.CONNECTED, null));
}

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From source file:android.net.http.HttpConnection.java

/**
 * Opens the connection to a http server
 *
 * @return the opened low level connection
 * @throws IOException if the connection fails for any reason.
 *//*w  w w .  j  a va2  s  .  c  o m*/
@Override
AndroidHttpClientConnection openConnection(Request req) throws IOException {

    // Update the certificate info (connection not secure - set to null)
    EventHandler eventHandler = req.getEventHandler();
    mCertificate = null;
    eventHandler.certificate(mCertificate);

    AndroidHttpClientConnection conn = new AndroidHttpClientConnection();
    BasicHttpParams params = new BasicHttpParams();
    Socket sock = new Socket(mHost.getHostName(), mHost.getPort());
    params.setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8192);
    conn.bind(sock, params);
    return conn;
}

---

From source file:com.bitsofproof.supernode.core.IRCDiscovery.java

@Override
public List<InetSocketAddress> discover() {
    List<InetSocketAddress> al = new ArrayList<InetSocketAddress>();

    try {/*www  . j a  v  a 2s . com*/
        log.trace("Connect to IRC server " + server);
        Socket socket = new Socket(server, port);
        PrintWriter writer = new PrintWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF-8"));
        BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8"));

        String[] answers = new String[] { "Found your hostname", "using your IP address instead",
                "Couldn't look up your hostname", "ignoring hostname" };
        String line;
        boolean stop = false;
        while (!stop && (line = reader.readLine()) != null) {
            log.trace("IRC receive " + line);
            for (int i = 0; i < answers.length; ++i) {
                if (line.contains(answers[i])) {
                    stop = true;
                    break;
                }
            }
        }

        String nick = "bop" + new SecureRandom().nextInt(Integer.MAX_VALUE);
        writer.println("NICK " + nick);
        writer.println("USER " + nick + " 8 * : " + nick);
        writer.flush();
        log.trace("IRC send: I am " + nick);

        while ((line = reader.readLine()) != null) {
            log.trace("IRC receive " + line);
            if (hasCode(line, new String[] { " 004 ", " 433 " })) {
                break;
            }
        }
        log.trace("IRC send: joining " + channel);
        writer.println("JOIN " + channel);
        writer.println("NAMES");
        writer.flush();
        while ((line = reader.readLine()) != null) {
            log.trace("IRC receive " + line);
            if (hasCode(line, new String[] { " 353 " })) {
                StringTokenizer tokenizer = new StringTokenizer(line, ":");
                String t = tokenizer.nextToken();
                if (tokenizer.hasMoreElements()) {
                    t = tokenizer.nextToken();
                }
                tokenizer = new StringTokenizer(t);
                tokenizer.nextToken();
                while (tokenizer.hasMoreTokens()) {
                    String w = tokenizer.nextToken().substring(1);
                    if (!tokenizer.hasMoreElements()) {
                        continue;
                    }
                    try {
                        byte[] m = ByteUtils.fromBase58WithChecksum(w);
                        byte[] addr = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (byte) 0xff, (byte) 0xff, 0, 0,
                                0, 0 };
                        System.arraycopy(m, 0, addr, 12, 4);
                        al.add(new InetSocketAddress(InetAddress.getByAddress(addr), chain.getPort()));
                    } catch (ValidationException e) {
                        log.trace(e.toString());
                    }
                }
            }
            if (hasCode(line, new String[] { " 366 " })) {
                break;
            }
        }
        writer.println("PART " + channel);
        writer.println("QUIT");
        writer.flush();
        socket.close();
    } catch (UnknownHostException e) {
        log.error("Can not find IRC server " + server, e);
    } catch (IOException e) {
        log.error("Can not use IRC server " + server, e);
    }

    return al;
}

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From source file:com.beyondjservlet.gateway.servlet.support.NonBindingSocketFactory.java

private static Socket createNonBindingSocket(String host, int port) throws IOException {
    return new Socket(host, port);
}

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From source file:org.mariotaku.twidere.util.net.HostResolvedSocketFactory.java

@Override
public Socket createSocket(String host, int port) throws IOException {
    final String resolvedHost = resolver.resolve(host);
    if (resolvedHost != null && !resolvedHost.equals(host)) {
        if (InetAddressUtils.isIPv6Address(resolvedHost)) {
            final byte[] resolvedAddress = Inet6Address.getByName(resolvedHost).getAddress();
            return new Socket(InetAddress.getByAddress(host, resolvedAddress), port);
        } else if (InetAddressUtils.isIPv4Address(resolvedHost)) {
            final byte[] resolvedAddress = Inet4Address.getByName(resolvedHost).getAddress();
            return new Socket(InetAddress.getByAddress(host, resolvedAddress), port);
        }/*from  ww w .  ja  v a 2 s . c o m*/
    }
    return defaultFactory.createSocket(host, port);
}

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From source file:org.jasig.portlet.cms.model.security.ClamAVAntiVirus.java

private Socket connect() {
    Socket socket = null;/*from   w  w w.  j  av a  2 s .co m*/
    try {
        socket = new Socket(ip, port);
    } catch (final Exception e) {
        socket = null;
        logger.error(e.getMessage(), e);
    }
    return socket;
}

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From source file:net.mohatu.bloocoin.miner.RegCustom.java

private void register() {
    try {//from  w  w w.ja  va 2 s . co m
        String result = new String();
        Socket sock = new Socket(this.url, this.port);
        String command = "{\"cmd\":\"register" + "\",\"addr\":\"" + addr + "\",\"pwd\":\"" + key + "\"}";
        DataInputStream is = new DataInputStream(sock.getInputStream());
        DataOutputStream os = new DataOutputStream(sock.getOutputStream());
        os.write(command.getBytes());
        os.flush();

        BufferedReader in = new BufferedReader(new InputStreamReader(is));
        String inputLine;
        while ((inputLine = in.readLine()) != null) {
            result += inputLine;
        }

        is.close();
        os.close();
        sock.close();
        System.out.println(result);
        if (result.contains("\"success\": true")) {
            System.out.println("Registration successful: " + addr);
            saveBloostamp();
        } else if (result.contains("\"success\": false")) {
            System.out.println("Result: Failed");
            JOptionPane.showMessageDialog(Main.scrollPane,
                    "Registration failed.\nCheck your network connection", "Registration Failed",
                    JOptionPane.ERROR_MESSAGE);
            System.exit(0);
        }
    } catch (UnknownHostException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:net.mohatu.bloocoin.miner.RegisterClass.java

private void register() {
    try {// w  w w .j  a  v  a  2  s .c o  m
        String result = new String();
        Socket sock = new Socket(this.url, this.port);
        String command = "{\"cmd\":\"register" + "\",\"addr\":\"" + addr + "\",\"pwd\":\"" + key + "\"}";
        DataInputStream is = new DataInputStream(sock.getInputStream());
        DataOutputStream os = new DataOutputStream(sock.getOutputStream());
        os.write(command.getBytes());
        os.flush();

        BufferedReader in = new BufferedReader(new InputStreamReader(is));
        String inputLine;
        while ((inputLine = in.readLine()) != null) {
            result += inputLine;
        }

        is.close();
        os.close();
        sock.close();
        System.out.println(result);
        if (result.contains("\"success\": true")) {
            System.out.println("Registration successful: " + addr);
            saveBloostamp();
        } else if (result.contains("\"success\": false")) {
            System.out.println("Result: Failed");
            MainView.updateStatusText("Registration failed. ");
            System.exit(0);
        }
    } catch (UnknownHostException e) {
        System.out.println("Error: Unknown host.");
    } catch (IOException e) {
        System.out.println("Error: Network error.");
    }
}

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