Example usage for java.io BufferedReader BufferedReader

Introduction

In this page you can find the example usage for java.io BufferedReader BufferedReader.

Prototype

public BufferedReader(Reader in)

Source Link

Document

Creates a buffering character-input stream that uses a default-sized input buffer.

Usage

From source file:Grep.java

public static void main(String args[]) throws Exception {
    String regex = "";
    InputStream in = System.in;

    regex = args[0];//  w ww .  jav a2  s  . com
    in = new BufferedInputStream(new FileInputStream(args[1]));
    Pattern p = null;

    p = Pattern.compile(regex);

    BufferedReader buff = new BufferedReader(new InputStreamReader(in));

    String a;
    for (a = buff.readLine(); a != null; a = buff.readLine()) {
        Matcher m = p.matcher(a);
        if (m.find()) {
            System.out.println(a);
        }
    }
}

From source file:AnotherBeerServer.java

public static void main(String args[]) throws Exception {
    ServerSocket ssock = new ServerSocket(1234);
    System.out.println("Listening");
    Socket sock = ssock.accept();
    ssock.close(); // no more connects

    PrintStream ps = new PrintStream(sock.getOutputStream());

    // ask for count
    ps.print("count? ");
    BufferedReader input = new BufferedReader(new InputStreamReader(sock.getInputStream()));

    // read and parse it
    String line = input.readLine();
    ps.println("");
    int count = Integer.parseInt(line);
    for (int i = count; i >= 0; i--) {
        ps.println(i + " Java Source and Support.");
    }//  w ww .j av a2s.  c o  m
    ps.close();
    sock.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com");
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);//from   w ww.j  a va  2s.  c om
    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

    writer.write("value=1&anotherValue=1");
    writer.flush();
    String line;
    BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    while ((line = reader.readLine()) != null) {
        System.out.println(line);
    }
    writer.close();
    reader.close();

}

From source file:MainClass.java

public static void main(String[] args) throws IOException {
    SSLServerSocketFactory ssf = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
    SSLServerSocket ss = (SSLServerSocket) ssf.createServerSocket(8080);
    ss.setNeedClientAuth(true);/* ww w  .  j a  v a  2  s  .  com*/

    while (true) {
        try {
            Socket s = ss.accept();
            OutputStream out = s.getOutputStream();
            BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream()));
            String line = null;
            while (((line = in.readLine()) != null) && (!("".equals(line)))) {
                System.out.println(line);
            }
            System.out.println("");

            StringBuffer buffer = new StringBuffer();
            buffer.append("<HTML>\n");
            buffer.append("<HEAD><TITLE>HTTPS Server</TITLE></HEAD>\n");
            buffer.append("<BODY>\n");
            buffer.append("<H1>Success!</H1>\n");
            buffer.append("</BODY>\n");
            buffer.append("</HTML>\n");

            String string = buffer.toString();
            byte[] data = string.getBytes();
            out.write("HTTP/1.0 200 OK\n".getBytes());
            out.write(new String("Content-Length: " + data.length + "\n").getBytes());
            out.write("Content-Type: text/html\n\n".getBytes());
            out.write(data);
            out.flush();

            out.close();
            in.close();
            s.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    ProcessBuilder launcher = new ProcessBuilder();
    Map<String, String> environment = launcher.environment();
    launcher.redirectErrorStream(true);//from  w  w w .j a v  a 2s  .  c  o  m
    launcher.directory(new File("c:\\"));

    environment.put("name", "var");
    launcher.command("notepad.exe");
    Process p = launcher.start(); // And launch a new process
    BufferedReader output = new BufferedReader(new InputStreamReader(p.getInputStream()));
    String line;
    while ((line = output.readLine()) != null)
        System.out.println(line);

    // The process should be done now, but wait to be sure.
    p.waitFor();

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String pageAddr = "http://www.google.com/index.htm";
    URL url = new URL(pageAddr);
    String websiteAddress = url.getHost();

    String file = url.getFile();/*  w ww . j  a va2s  .c o  m*/
    Socket clientSocket = new Socket(websiteAddress, 80);

    BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));

    OutputStreamWriter outWriter = new OutputStreamWriter(clientSocket.getOutputStream());
    outWriter.write("GET " + file + " HTTP/1.0\r\n\n");
    outWriter.flush();
    BufferedWriter out = new BufferedWriter(new FileWriter(file));
    boolean more = true;
    String input;
    while (more) {
        input = inFromServer.readLine();
        if (input == null)
            more = false;
        else {
            out.write(input);
        }
    }
    out.close();
    clientSocket.close();
}

From source file:ChatClient.java

  public static void main(String[] args) throws Exception {
  DatagramSocket s = new DatagramSocket();
  byte[] buf = new byte[1000];
  DatagramPacket dp = new DatagramPacket(buf, buf.length);

  InetAddress hostAddress = InetAddress.getByName("localhost");
  while (true) {/*  w  w w  .  j a va2s .co m*/
    BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
    String outMessage = stdin.readLine();

    if (outMessage.equals("bye"))
      break;
    String outString = "Client say: " + outMessage;
    buf = outString.getBytes();

    DatagramPacket out = new DatagramPacket(buf, buf.length, hostAddress, 9999);
    s.send(out);

    s.receive(dp);
    String rcvd = "rcvd from " + dp.getAddress() + ", " + dp.getPort() + ": "
        + new String(dp.getData(), 0, dp.getLength());
    System.out.println(rcvd);
  }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL webSvcGetURL = new URL("http://www.server.net/Webservices");
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(webSvcGetURL.openStream()));
    SAXSource saxSource = new SAXSource(new InputSource(bufferedReader));
    String curDir = new File(".").getCanonicalPath();
    StreamSource xlstStreamSource = new StreamSource(new File(curDir + File.separator + "style.xsl"));
    File resultHTMLFile = new File(curDir + File.separator + "output.html");

    StreamResult streamResult = new StreamResult(resultHTMLFile);
    TransformerFactory factory = TransformerFactory.newInstance();
    Transformer transformer = factory.newTransformer(xlstStreamSource);
    transformer.transform((Source) saxSource, streamResult);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    System.out.println("Count number of rows in a specific table!");
    Connection con = null;//from   ww  w.j av  a2s .  co  m
    int count = 0;
    Class.forName("com.mysql.jdbc.Driver");
    con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root");

    Statement st = con.createStatement();
    BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
    ResultSet res = st.executeQuery("SELECT COUNT(*) FROM EMP");
    while (res.next()) {
        count = res.getInt(1);
    }
    System.out.println("Number of row:" + count);
}

From source file:Finger.java

public static void main(String[] arguments) throws Exception {
    StringTokenizer split = new StringTokenizer(arguments[0], "@");
    String user = split.nextToken();
    String host = split.nextToken();

    Socket digit = new Socket(host, 79);
    digit.setSoTimeout(20000);//  w w  w.  j av  a  2 s . c om
    PrintStream out = new PrintStream(digit.getOutputStream());
    out.print(user + "\015\012");
    BufferedReader in = new BufferedReader(new InputStreamReader(digit.getInputStream()));
    boolean eof = false;
    while (!eof) {
        String line = in.readLine();
        if (line != null)
            System.out.println(line);
        else
            eof = true;
    }
    digit.close();
}