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:Main.java

public static void main(String args[]) throws Exception {
    String fullURL = args[0];//  www  .ja  v a  2  s . c  o  m
    URL u = new URL(fullURL);
    URLConnection conn = u.openConnection();
    conn.setDoOutput(true);
    OutputStream theControl = conn.getOutputStream();
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(theControl));
    for (int i = 1; i < args.length; i++) {
        out.write(args[i] + "\n");
    }
    out.close();
    InputStream theData = conn.getInputStream();

    String contentType = conn.getContentType();
    if (contentType.toLowerCase().startsWith("text")) {
        BufferedReader in = new BufferedReader(new InputStreamReader(theData));
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
        }
    }
}

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From source file:Redirecting.java

public static void main(String[] args) throws IOException {
    PrintStream console = System.out;
    BufferedInputStream in = new BufferedInputStream(new FileInputStream("Redirecting.java"));
    PrintStream out = new PrintStream(new BufferedOutputStream(new FileOutputStream("test.out")));
    System.setIn(in);//w  w w  .j  a v  a  2s .  co m
    System.setOut(out);
    System.setErr(out);
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String s;
    while ((s = br.readLine()) != null)
        System.out.println(s);
    out.close(); // Remember this!
    System.setOut(console);
}

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From source file:Who.java

public static void main(String[] v) {
    Socket s = null;// w w w .  j  av  a2 s  .  co m
    PrintWriter out = null;
    BufferedReader in = null;
    try {
        // Connect to port 79 (the standard finger port) on the host.
        String hostname = "www.java2s.com";
        s = new Socket(hostname, 79);
        // Set up the streams
        out = new PrintWriter(new OutputStreamWriter(s.getOutputStream()));
        in = new BufferedReader(new InputStreamReader(s.getInputStream()));

        // Send a blank line to the finger server, telling it that we want
        // a listing of everyone logged on instead of information about an
        // individual user.
        out.print("\n");
        out.flush(); // Send it out

        // Now read the server's response
        // The server should send lines terminated with \n or \r.
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
        }
        System.out.println("Who's Logged On: " + hostname);
    } catch (IOException e) {
        System.out.println("Who's Logged On: Error");
    }
    // Close the streams!
    finally {
        try {
            in.close();
            out.close();
            s.close();
        } catch (Exception e) {
        }
    }
}

---

From source file:GetMessageExample.java

public static void main(String args[]) throws Exception {
    if (args.length != 3) {
        System.err.println("Usage: java MailExample host username password");
        System.exit(-1);/*from   ww  w . j  a  v  a2  s.  c  o m*/
    }

    String host = args[0];
    String username = args[1];
    String password = args[2];

    // Create empty properties
    Properties props = new Properties();

    // Get session
    Session session = Session.getDefaultInstance(props, null);

    // Get the store
    Store store = session.getStore("pop3");
    store.connect(host, username, password);

    // Get folder
    Folder folder = store.getFolder("INBOX");
    folder.open(Folder.READ_ONLY);

    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

    // Get directory
    Message message[] = folder.getMessages();
    for (int i = 0, n = message.length; i < n; i++) {
        System.out.println(i + ": " + message[i].getFrom()[0] + "\t" + message[i].getSubject());

        System.out.println("Read message? [YES to read/QUIT to end]");
        String line = reader.readLine();
        if ("YES".equalsIgnoreCase(line)) {
            System.out.println(message[i].getContent());
        } else if ("QUIT".equalsIgnoreCase(line)) {
            break;
        }
    }

    // Close connection
    folder.close(false);
    store.close();
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("keyfile"));
    DESKeySpec ks = new DESKeySpec((byte[]) ois.readObject());
    SecretKeyFactory skf = SecretKeyFactory.getInstance("DES");
    SecretKey key = skf.generateSecret(ks);

    Cipher c = Cipher.getInstance("DES/CFB8/NoPadding");
    c.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec((byte[]) ois.readObject()));
    CipherInputStream cis = new CipherInputStream(new FileInputStream("ciphertext"), c);
    BufferedReader br = new BufferedReader(new InputStreamReader(cis));
    System.out.println(br.readLine());
}

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From source file:CompRcv.java

public static void main(String[] args) throws Exception {
    Socket sock = new Socket(args[0], Integer.parseInt(args[1]));
    GZIPOutputStream zip = new GZIPOutputStream(sock.getOutputStream());
    String line;/*from   w w  w  .  j  a v a 2s .  com*/
    BufferedReader bis = new BufferedReader(new FileReader(args[2]));
    while (true) {
        try {
            line = bis.readLine();
            if (line == null)
                break;
            line = line + "\n";
            zip.write(line.getBytes(), 0, line.length());
        } catch (Exception e) {
            break;
        }
    }
    zip.finish();
    zip.close();
    sock.close();
}

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From source file:animalclient.AnimalClient.java

/**
 * @param args the command line arguments
 *///  ww  w . j ava  2 s . c om
public static void main(String[] arg) throws IOException, MalformedURLException, ParseException {
    // TODO code application logic here
    InputStreamReader isr = new InputStreamReader(System.in);
    BufferedReader br = new BufferedReader(isr);

    String username;
    String password;

    System.out.println("Username:");
    username = br.readLine();
    System.out.println("Password:");
    password = br.readLine();

    AnimalJerseyClient client = new AnimalJerseyClient(username, password);

    System.out.println("");
    System.out.println(
            "Willkommen bei ihrer Tierhandlung fr exotische Tiere. Geben sie help ein fr weitere Informationen");

    String auswahl = br.readLine();

    if (auswahl.equals("help")) {
        System.out.println("Sie haben folgende Auswahlmglichkeiten:");
        System.out.println("1. Listen sie alle verfgbaren Tiere auf.");
        System.out.println("2. Kaufen sie ein Tier.");
        System.out.println("3. Suchen sie nach einem Tier.");
        System.out.println("4. Whrung ndern.");
        auswahl = br.readLine();
        makeDecision(client, auswahl);
    } else {
        makeDecision(client, auswahl);
    }

    System.out.print("End");
}

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From source file:FactQuoter.java

public static void main(String[] args) throws IOException {
    // This is how we set things up to read lines of text from the user.
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    // Loop forever
    for (;;) {/*from w w w .  j a va  2s  .c om*/
        // Display a prompt to the user
        System.out.print("FactQuoter> ");
        // Read a line from the user
        String line = in.readLine();
        // If we reach the end-of-file,
        // or if the user types "quit", then quit
        if ((line == null) || line.equals("quit"))
            break;
        // Try to parse the line, and compute and print the factorial
        try {
            int x = Integer.parseInt(line);
            System.out.println(x + "! = " + Factorial4.factorial(x));
        }
        // If anything goes wrong, display a generic error message
        catch (Exception e) {
            System.out.println("Invalid Input");
        }
    }
}

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From source file:DataFileTest.java

public static void main(String[] args) {
    Employee staff = new Employee("Java Source", 35500);

    staff.raiseSalary(5.25);// w  ww . j  ava2 s.c o m

    try {
        PrintWriter out = new PrintWriter(new FileWriter("employee.dat"));
        writeData(staff, out);
        out.close();
    } catch (IOException e) {
        System.out.print("Error: " + e);
        System.exit(1);
    }

    try {
        BufferedReader in = new BufferedReader(new FileReader("employee.dat"));
        Employee e = readData(in);
        e.print();
        in.close();
    } catch (IOException e) {
        System.out.print("Error: " + e);
        System.exit(1);
    }
}

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From source file:ExecDemoWait.java

public static void main(String argv[]) throws IOException {

    // A Runtime object has methods for dealing with the OS
    Runtime r = Runtime.getRuntime();
    Process p; // Process tracks one external native process
    BufferedReader is; // reader for output of process
    String line;/*  w  w w .j ava2s . co m*/

    // Our argv[0] contains the program to run; remaining elements
    // of argv contain args for the target program. This is just
    // what is needed for the String[] form of exec.
    p = r.exec(argv);

    System.out.println("In Main after exec");

    // getInputStream gives an Input stream connected to
    // the process p's standard output. Just use it to make
    // a BufferedReader to readLine() what the program writes out.
    is = new BufferedReader(new InputStreamReader(p.getInputStream()));

    while ((line = is.readLine()) != null)
        System.out.println(line);

    System.out.println("In Main after EOF");
    System.out.flush();
    try {
        p.waitFor(); // wait for process to complete
    } catch (InterruptedException e) {
        System.err.println(e); // "Can'tHappen"
        return;
    }
    System.err.println("Process done, exit status was " + p.exitValue());
    return;
}

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