Example usage for java.io DataOutputStream flush

List of usage examples for java.io DataOutputStream flush

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Introduction

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

Prototype

public void flush() throws IOException

Source Link

Document

Flushes this data output stream.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);

    MessageDigest md = MessageDigest.getInstance("MD5");
    SomeObject testObject = new SomeObject();

    dos.writeInt(testObject.count);/* ww w. ja  v  a 2  s .c  o  m*/
    dos.writeLong(testObject.product);
    dos.writeDouble(testObject.stdDev);
    dos.writeUTF(testObject.name);
    dos.writeChar(testObject.delimiter);
    dos.flush();

    byte[] hashBytes = md.digest(baos.toByteArray());
    BigInteger testObjectHash = new BigInteger(hashBytes);

    System.out.println("Hash " + testObjectHash);

    dos.close();

}

From source file:com.adobe.aem.demo.Analytics.java

public static void main(String[] args) {

    String hostname = null;/*from   w w  w.  j  a  v a2  s. com*/
    String url = null;
    String eventfile = null;

    // Command line options for this tool
    Options options = new Options();
    options.addOption("h", true, "Hostname");
    options.addOption("u", true, "Url");
    options.addOption("f", true, "Event data file");
    CommandLineParser parser = new BasicParser();
    try {
        CommandLine cmd = parser.parse(options, args);

        if (cmd.hasOption("u")) {
            url = cmd.getOptionValue("u");
        }

        if (cmd.hasOption("f")) {
            eventfile = cmd.getOptionValue("f");
        }

        if (cmd.hasOption("h")) {
            hostname = cmd.getOptionValue("h");
        }

        if (eventfile == null || hostname == null || url == null) {
            System.out.println("Command line parameters: -h hostname -u url -f path_to_XML_file");
            System.exit(-1);
        }

    } catch (ParseException ex) {

        logger.error(ex.getMessage());

    }

    URLConnection urlConn = null;
    DataOutputStream printout = null;
    BufferedReader input = null;
    String u = "http://" + hostname + "/" + url;
    String tmp = null;
    try {

        URL myurl = new URL(u);
        urlConn = myurl.openConnection();
        urlConn.setDoInput(true);
        urlConn.setDoOutput(true);
        urlConn.setUseCaches(false);
        urlConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        printout = new DataOutputStream(urlConn.getOutputStream());

        String xml = readFile(eventfile, StandardCharsets.UTF_8);
        printout.writeBytes(xml);
        printout.flush();
        printout.close();

        input = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));

        logger.debug(xml);
        while (null != ((tmp = input.readLine()))) {
            logger.debug(tmp);
        }
        printout.close();
        input.close();

    } catch (Exception ex) {

        logger.error(ex.getMessage());

    }

}

From source file:com.splout.db.dnode.TCPStreamer.java

/**
 * This main method can be used for testing the TCP interface directly to a
 * local DNode. Will ask for protocol input from Stdin and print output to
 * Stdout/*from   www . j  a v a 2s.com*/
 */
public static void main(String[] args) throws UnknownHostException, IOException, SerializationException {
    SploutConfiguration config = SploutConfiguration.get();
    Socket clientSocket = new Socket("localhost", config.getInt(DNodeProperties.STREAMING_PORT));

    DataInputStream inFromServer = new DataInputStream(new BufferedInputStream(clientSocket.getInputStream()));
    DataOutputStream outToServer = new DataOutputStream(
            new BufferedOutputStream(clientSocket.getOutputStream()));

    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    System.out.println("Enter tablespace: ");
    String tablespace = reader.readLine();

    System.out.println("Enter version number: ");
    long versionNumber = Long.parseLong(reader.readLine());

    System.out.println("Enter partition: ");
    int partition = Integer.parseInt(reader.readLine());

    System.out.println("Enter query: ");
    String query = reader.readLine();

    outToServer.writeUTF(tablespace);
    outToServer.writeLong(versionNumber);
    outToServer.writeInt(partition);
    outToServer.writeUTF(query);

    outToServer.flush();

    byte[] buffer = new byte[0];
    boolean read;
    do {
        read = false;
        int nBytes = inFromServer.readInt();
        if (nBytes > 0) {
            buffer = new byte[nBytes];
            int inRead = inFromServer.read(buffer);
            if (inRead > 0) {
                Object[] res = ResultSerializer.deserialize(ByteBuffer.wrap(buffer), Object[].class);
                read = true;
                System.out.println(Arrays.toString(res));
            }
        }
    } while (read);

    clientSocket.close();
}

From source file:com.ebay.erl.mobius.core.model.Tuple.java

public static void main(String[] arg) throws Throwable {
    DataOutputStream dos = new DataOutputStream(new FileOutputStream(new File("s:/test.binary")));
    //dos.writeUTF("00_DW_LSTG_ITEM");
    dos.writeInt(5);/*from   w ww. j a v a  2s. co  m*/
    dos.flush();
    dos.close();
}

From source file:net.java.sen.tools.MkSenDic.java

/**
 * Build sen dictionary.//from  www .  j  av  a  2 s .  com
 * 
 * @param args
 *            custom dictionary files. see dic/build.xml.
 */
public static void main(String args[]) {
    ResourceBundle rb = ResourceBundle.getBundle("dictionary");
    DictionaryMaker dm1 = new DictionaryMaker();
    DictionaryMaker dm2 = new DictionaryMaker();
    DictionaryMaker dm3 = new DictionaryMaker();

    // 1st field information of connect file.
    Vector rule1 = new Vector();

    // 2nd field information of connect file.
    Vector rule2 = new Vector();

    // 3rd field information of connect file.
    Vector rule3 = new Vector();

    // 4th field information of connect file.
    // this field shows cost of morpheme connection
    // [size3*(x3*size2+x2)+x1]
    // [size3*(Attr1*size2+Attr2)+Attl]
    short score[] = new short[20131];

    long start = System.currentTimeMillis();

    // /////////////////////////////////////////
    //
    // Step1. Loading connetion file.
    //
    log.info("(1/7): reading connection matrix ... ");
    try {
        log.info("connection file = " + rb.getString("text_connection_file"));
        log.info("charset = " + rb.getString("dic.charset"));
        CSVParser csvparser = new CSVParser(new FileInputStream(rb.getString("text_connection_file")),
                rb.getString("dic.charset"));
        String t[];
        int line = 0;
        while ((t = csvparser.nextTokens()) != null) {
            if (t.length < 4) {
                log.warn("invalid line in " + rb.getString("text_connection_file") + ":" + line);
                log.warn(rb.getString("text_connection_file") + "may be broken.");
                break;
            }
            dm1.add(t[0]);
            rule1.add(t[0]);

            dm2.add(t[1]);
            rule2.add(t[1]);

            dm3.add(t[2]);
            rule3.add(t[2]);

            if (line == score.length) {
                score = resize(score);
            }

            score[line++] = (short) Integer.parseInt(t[3]);
        }

        // /////////////////////////////////////////
        //
        // Step2. Building internal dictionary
        //
        log.info("(2/7): building type dictionary ... ");
        dm1.build();
        dm2.build();
        dm3.build();

        // if you want check specified morpheme, you uncomment and modify
        // following line:
        /*
         * System.out.print("22="); dm3.getById(22);
         * System.out.print("368="); dm3.getById(368);
         * 
         * System.out.println(dm3.getDicId("?????*,*,*,*,?"));
         * DictionaryMaker.debug = true;
         * System.out.println(dm3.getDicId("?????*,*,*,*,?"));
         * System.out.println(dm3.getDicIdNoCache("?????*,*,*,*,?"));
         */

    } catch (IOException e) {
        e.printStackTrace();
        System.exit(0);
    }

    // -------------------------------------------------

    int size1 = dm1.size();
    int size2 = dm2.size();
    int size3 = dm3.size();
    int ruleSize = rule1.size();
    short matrix[] = new short[size1 * size2 * size3];
    short default_cost = (short) Integer.parseInt(rb.getString("default_connection_cost"));

    // /////////////////////////////////////////
    //
    // Step3. Writing Connection Matrix
    //
    log.info("(3/7): writing conection matrix (" + size1 + " x " + size2 + " x " + size3 + " = "
            + size1 * size2 * size3 + ") ...");

    for (int i = 0; i < (int) (size1 * size2 * size3); i++)
        matrix[i] = default_cost;

    for (int i = 0; i < ruleSize; i++) {
        Vector r1 = dm1.getRuleIdList((String) rule1.get(i));
        Vector r2 = dm2.getRuleIdList((String) rule2.get(i));
        Vector r3 = dm3.getRuleIdList((String) rule3.get(i));

        for (Iterator i1 = r1.iterator(); i1.hasNext();) {
            int ii1 = ((Integer) i1.next()).intValue();
            for (Iterator i2 = r2.iterator(); i2.hasNext();) {
                int ii2 = ((Integer) i2.next()).intValue();
                for (Iterator i3 = r3.iterator(); i3.hasNext();) {
                    int ii3 = ((Integer) i3.next()).intValue();
                    int pos = size3 * (size2 * ii1 + ii2) + ii3;
                    matrix[pos] = score[i];
                }
            }
        }
    }

    try {
        DataOutputStream out = new DataOutputStream(
                new BufferedOutputStream(new FileOutputStream(rb.getString("matrix_file"))));
        out.writeShort(size1);
        out.writeShort(size2);
        out.writeShort(size3);
        for (int i1 = 0; i1 < size1; i1++)
            for (int i2 = 0; i2 < size2; i2++)
                for (int i3 = 0; i3 < size3; i3++) {
                    out.writeShort(matrix[size3 * (size2 * i1 + i2) + i3]);
                    // if (matrix[size3 * (size2 * i1 + i2) + i3] !=
                    // default_cost) {
                    // }
                }
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
        System.exit(0);
    }

    matrix = null;
    score = null;

    // -------------------------------------------------

    int pos_start = Integer.parseInt(rb.getString("pos_start"));
    int pos_size = Integer.parseInt(rb.getString("pos_size"));

    int di = 0;
    int offset = 0;
    ArrayList dicList = new ArrayList();

    // /////////////////////////////////////////
    //
    // Step4. Reading Morpheme Information
    //
    log.info("(4/7): reading morpheme information ... ");
    String t = null;
    String[] csv = null;
    try {
        // writer for feature file.
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(
                new FileOutputStream(rb.getString("pos_file")), rb.getString("sen.charset")));

        log.info("load dic: " + rb.getString("text_dic_file"));
        BufferedReader dicStream = null;
        int custom_dic = -1;
        if (args.length == 0) {
            dicStream = new BufferedReader(new InputStreamReader(
                    new FileInputStream(rb.getString("text_dic_file")), rb.getString("dic.charset")));
        } else {
            custom_dic = 0;
            dicStream = new BufferedReader(
                    new InputStreamReader(new FileInputStream(args[custom_dic]), rb.getString("dic.charset")));
        }

        int line = 0;

        CSVData key_b = new CSVData();
        CSVData pos_b = new CSVData();

        while (true) {
            t = dicStream.readLine();
            if (t == null) {
                dicStream.close();
                custom_dic++;
                if (args.length == custom_dic) {
                    break;
                } else {
                    // read custum dictionary
                    log.info("load dic: " + "args[custum_dic]");
                    dicStream = new BufferedReader(new InputStreamReader(new FileInputStream(args[custom_dic]),
                            rb.getString("dic.charset")));
                }
                continue;
            }

            CSVParser parser = new CSVParser(t);
            csv = parser.nextTokens();
            if (csv.length < (pos_size + pos_start)) {
                throw new RuntimeException("format error:" + t);
            }

            key_b.clear();
            pos_b.clear();
            for (int i = pos_start; i < (pos_start + pos_size - 1); i++) {
                key_b.append(csv[i]);
                pos_b.append(csv[i]);
            }

            key_b.append(csv[pos_start + pos_size - 1]);
            pos_b.append(csv[pos_start + pos_size - 1]);

            for (int i = pos_start + pos_size; i < (csv.length - 1); i++) {
                pos_b.append(csv[i]);
            }
            pos_b.append(csv[csv.length - 1]);

            CToken token = new CToken();

            token.rcAttr2 = (short) dm1.getDicId(key_b.toString());
            token.rcAttr1 = (short) dm2.getDicId(key_b.toString());
            token.lcAttr = (short) dm3.getDicId(key_b.toString());
            token.posid = 0;
            token.posID = offset;
            token.length = (short) csv[0].length();
            token.cost = (short) Integer.parseInt(csv[1]);

            dicList.add(new PairObject(csv[0], token));

            byte b[] = pos_b.toString().getBytes(rb.getString("sen.charset"));
            offset += (b.length + 1);
            String pos_b_str = pos_b.toString();
            bw.write(pos_b_str, 0, pos_b_str.length());
            // bw.write(b, 0, b.length);
            bw.write(0);
            if (++di % 50000 == 0)
                log.info("" + di + "... ");
        }
        bw.close();
        // ----end of writing feature.cha ----
    } catch (Exception e) {
        log.error("Error: " + t);
        e.printStackTrace();
        System.exit(1);
    }

    rule1 = null;
    rule2 = null;
    rule3 = null;

    // /////////////////////////////////////////
    //
    // Step5. Sort lexs and write to file
    //
    log.info("(5/7): sorting lex... ");

    int value[] = new int[dicList.size()];
    char key[][] = new char[dicList.size()][];
    int spos = 0;
    int dsize = 0;
    int bsize = 0;
    String prev = "";
    Collections.sort(dicList);

    // /////////////////////////////////////////
    //
    // Step6. Writing Token Information
    //
    log.info("(6/7): writing token... ");
    try {
        // writer for token file.
        DataOutputStream out = new DataOutputStream(
                new BufferedOutputStream(new FileOutputStream(rb.getString("token_file"))));

        // writing 'bos' and 'eos' and 'unknown' token.
        CToken token = new CToken();
        token.rcAttr2 = (short) dm1.getDicId(rb.getString("bos_pos"));
        token.rcAttr1 = (short) dm2.getDicId(rb.getString("bos_pos"));
        token.lcAttr = (short) dm3.getDicId(rb.getString("bos_pos"));
        token.write(out);

        token.rcAttr2 = (short) dm1.getDicId(rb.getString("eos_pos"));
        token.rcAttr1 = (short) dm2.getDicId(rb.getString("eos_pos"));
        token.lcAttr = (short) dm3.getDicId(rb.getString("eos_pos"));
        token.write(out);

        token.rcAttr2 = (short) dm1.getDicId(rb.getString("unknown_pos"));
        token.rcAttr1 = (short) dm2.getDicId(rb.getString("unknown_pos"));
        token.lcAttr = (short) dm3.getDicId(rb.getString("unknown_pos"));
        token.posID = -1;
        token.write(out);
        log.info("key size = " + key.length);
        for (int i = 0; i < key.length; i++) {
            String k = (String) ((PairObject) dicList.get(i)).key;
            if (!prev.equals(k) && i != 0) {
                key[dsize] = ((String) ((PairObject) dicList.get(spos)).key).toCharArray();
                value[dsize] = bsize + (spos << 8);
                dsize++;
                bsize = 1;
                spos = i;
            } else {
                bsize++;
            }
            prev = (String) ((PairObject) dicList.get(i)).key;
            ((CToken) (((PairObject) dicList.get(i)).value)).write(out);
        }
        out.flush();
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
        System.exit(1);
    }

    key[dsize] = ((String) ((PairObject) dicList.get(spos)).key).toCharArray();

    value[dsize] = bsize + (spos << 8);
    dsize++;

    dm1 = null;
    dm2 = null;
    dm3 = null;
    dicList = null;

    // /////////////////////////////////////////
    //
    // Step7. Build Double Array
    //
    log.info("(7/7): building Double-Array (size = " + dsize + ") ...");

    DoubleArrayTrie da = new DoubleArrayTrie();

    da.build(key, null, value, dsize);
    try {
        da.save(rb.getString("double_array_file"));
    } catch (Exception e) {
        e.printStackTrace();
    }

    log.info("total time = " + (System.currentTimeMillis() - start) / 1000 + "[ms]");
}

From source file:Main.java

public static byte[] intToByteArray(int number) {
    try {/*from   w  w w.j  a  va2s.c  om*/
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos);
        dos.writeInt(number);
        dos.flush();
        // lenth have to be 2 byte
        byte[] d = bos.toByteArray();
        dos.close();

        return d;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static byte[] longToByteArray(long number) {
    try {//  ww  w .  ja va  2 s  . c  o  m
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos);
        dos.writeLong(number);
        dos.flush();
        // lenth have to be 2 byte
        byte[] d = bos.toByteArray();
        dos.close();

        return d;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static byte[] shortToByteArray(short number) {
    try {/*from w  w  w  .  j  a v  a2s  .  c o m*/
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos);
        dos.writeShort(number);
        dos.flush();
        // lenth have to be 2 byte
        byte[] d = bos.toByteArray();
        dos.close();

        return d;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static void remountSystemRO() throws IOException {
    Process p = Runtime.getRuntime().exec("su");
    DataOutputStream os = new DataOutputStream(p.getOutputStream());
    os.writeBytes(CMD_REMOUNT_RO + "\n");
    os.writeBytes("exit\n");
    os.flush();

}

From source file:Main.java

static void runCommandWithRoot(String command) {
    try {/*from   ww  w  .  jav a2 s .  c  o m*/
        Process p = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(p.getOutputStream());
        os.writeBytes(command);
        os.writeBytes("exit\n");
        os.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}