Example usage for java.io DataOutputStream DataOutputStream

Introduction

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

Prototype

public DataOutputStream(OutputStream out) 

Source Link

Document

Creates a new data output stream to write data to the specified underlying output stream.

Usage

From source file:com.esri.geoevent.test.performance.bds.BdsEventConsumer.java

private int getMsLayerCount(String url) {
    int cnt = -1;

    try {//from  w  ww.j a v  a  2s.  c o  m
        URL obj = new URL(url + "/query");
        HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

        //add request header
        con.setRequestMethod("POST");

        con.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
        con.setRequestProperty("Accept", "text/plain");

        String urlParameters = "where=" + URLEncoder.encode("1=1", "UTF-8") + "&returnCountOnly="
                + URLEncoder.encode("true", "UTF-8") + "&f=" + URLEncoder.encode("json", "UTF-8");

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuilder response = new StringBuilder();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        //print result
        String jsonString = response.toString();

        JSONTokener tokener = new JSONTokener(jsonString);

        JSONObject root = new JSONObject(tokener);

        cnt = root.getInt("count");

    } catch (Exception e) {
        cnt = -2;
    } finally {
        return cnt;
    }

}

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From source file:com.tonchidot.nfc_contact_exchanger.lib.PictureUploader.java

private String doFileUploadJson(String url, String fileParamName, byte[] data) {
    try {/*from  w w  w . j  ava2  s  . c o m*/
        String boundary = "BOUNDARY" + new Date().getTime() + "BOUNDARY";
        String lineEnd = "\r\n";
        String twoHyphens = "--";

        URL connUrl = new URL(url);
        HttpURLConnection conn = (HttpURLConnection) connUrl.openConnection();
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
        DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
        dos.writeBytes(twoHyphens + boundary + lineEnd);
        dos.writeBytes("Content-Disposition: form-data; name=\"" + fileParamName + "\";filename=\"photo.jpg\""
                + lineEnd);
        dos.writeBytes(lineEnd);
        dos.write(data, 0, data.length);
        dos.writeBytes(lineEnd);
        dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
        dos.flush();
        dos.close();

        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        StringBuilder result = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            result.append(line);
        }
        rd.close();
        return result.toString();
    } catch (IOException e) {
        if (Config.LOGD) {
            Log.d(TAG, "IOException : " + e);
        }
    }
    return null;
}

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From source file:WriteDoubleUsingSockets.java

public void init() {
    Date d = new Date();
    // Get the portnumber and servername and allow to be called from a
    // java main program also
    try {//from  w w  w.j a  v  a 2 s. c  o  m
        String param;
        param = getParameter("PortNumber");
        if (param != null)
            PortNumber = Integer.parseInt(param);
        param = getParameter("ServerName");
        if (param != null)
            ServerName = param;
    } catch (NullPointerException e) { // Must be called from a main ignore
    }
    try {
        Socket skt = new Socket(ServerName, PortNumber);
        os = new DataOutputStream(skt.getOutputStream());
    } catch (Exception e) {
        Label l = new Label(e.toString());
        add(l);
        System.out.println(e);
        return;
    }
    try {
        s = new ObjectOutputStream(os);
    } catch (Exception e) {
        System.out.println(e);
        System.out.println("Unable to open stream as an object stream");
    }
    try {
        long startTime = System.currentTimeMillis();
        for (int i = 0; i < 25; i++) {
            s.writeObject(new Double(i));
        }
        os.close();
        long endTime = System.currentTimeMillis() - startTime;
        Label l = new Label(
                "Writing 25 doubles server took: " + new Long(endTime).toString() + " milliseconds.");
        add(l);
        System.out.println("Object written");
    } catch (Exception e) {
        System.out.println(e);
        System.out.println("Unable to write Objects");
    }
}

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From source file:com.ning.arecibo.util.timeline.samples.TestSampleCoder.java

@Test(groups = "fast")
public void testScan() throws Exception {
    final DateTime startTime = new DateTime(DateTimeZone.UTC);
    final DateTime endTime = startTime.plusSeconds(5);
    final List<DateTime> dateTimes = ImmutableList.<DateTime>of(startTime.plusSeconds(1),
            startTime.plusSeconds(2), startTime.plusSeconds(3), startTime.plusSeconds(4));
    final byte[] compressedTimes = timelineCoder.compressDateTimes(dateTimes);

    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    final DataOutputStream dataOutputStream = new DataOutputStream(outputStream);
    final ScalarSample<Short> sample = new ScalarSample<Short>(SampleOpcode.SHORT, (short) 4);
    sampleCoder.encodeSample(dataOutputStream, sample);
    sampleCoder.encodeSample(dataOutputStream, new RepeatSample<Short>(3, sample));
    dataOutputStream.close();//from   ww  w.j  av a 2s  . co  m

    sampleCoder.scan(outputStream.toByteArray(), compressedTimes, dateTimes.size(),
            new TimeRangeSampleProcessor(startTime, endTime) {
                @Override
                public void processOneSample(final DateTime time, final SampleOpcode opcode,
                        final Object value) {
                    Assert.assertTrue(time.isAfter(startTime));
                    Assert.assertTrue(time.isBefore(endTime));
                    Assert.assertEquals(Short.valueOf(value.toString()), sample.getSampleValue());
                }
            });
}

---

From source file:Main.IrcBot.java

public static void postRequest(String pasteCode, PrintWriter out) {
    try {/*from   w  w w  . j a  va 2 s.c o m*/
        String url = "http://pastebin.com/raw.php?i=" + pasteCode;
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        //add reuqest header
        con.setRequestMethod("POST");
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

        String urlParameters = "";

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine + "\n");
        }
        in.close();

        //print result
        System.out.println(response.toString());

        if (response.length() > 0) {
            IrcBot.postGit(response.toString(), out);
        } else {
            out.println("PRIVMSG #learnprogramming :The PasteBin URL is not valid.");
        }
    } catch (Exception p) {

    }
}

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From source file:com.trsst.client.MultiPartRequestEntity.java

public void writeRequest(OutputStream arg0) throws IOException {
    DataOutputStream out = new DataOutputStream(arg0);
    out.writeBytes("--" + boundary + "\r\n");
    writeEntry(base, out);/*from   www.j av  a  2  s.c o m*/
    out.writeBytes("--" + boundary + "\r\n");
    if (content != null) {
        for (int i = 0; i < content.length; i++) {
            writeContent(content[i], contentId[i], contentType[i], out);
            out.writeBytes("\r\n" + "--" + boundary + "--");
        }
    }
    out.flush();
}

---

From source file:com.github.terma.m.server.Repo.java

public void addEvents(final List<Event> events) throws IOException {
    try (DataOutputStream oos = new DataOutputStream(new FileOutputStream(eventsFile, true))) {
        for (Event event : events) {
            oos.writeShort(event.metricCode);
            oos.writeLong(event.timestamp);
            oos.writeLong(event.value);//from ww  w  .j  a va 2  s  .c o  m
        }
    }
}

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From source file:com.facebook.infrastructure.net.UdpConnection.java

public boolean write(Message message, EndPoint to) throws IOException {
    boolean bVal = true;
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(bos);
    Message.serializer().serialize(message, dos);
    byte[] data = bos.toByteArray();
    if (data.length > 0) {
        logger_.trace("Size of Gossip packet " + data.length);
        byte[] protocol = BasicUtilities.intToByteArray(protocol_);
        ByteBuffer buffer = ByteBuffer.allocate(data.length + protocol.length);
        buffer.put(protocol);/*from   w  w  w  .j  ava 2  s .  com*/
        buffer.put(data);
        buffer.flip();

        int n = socketChannel_.send(buffer, to.getInetAddress());
        if (n == 0) {
            bVal = false;
        }
    }
    return bVal;
}

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From source file:me.sonarbeserk.lockup.utils.UUIDFetcher.java

private static void writeBody(HttpURLConnection connection, String body) throws Exception {
    DataOutputStream writer = new DataOutputStream(connection.getOutputStream());
    writer.write(body.getBytes());//from   ww  w  . j ava2s.com
    writer.flush();
    writer.close();
}

---

From source file:com.atilika.kuromoji.trie.DoubleArrayTrie.java

public void write(OutputStream output) throws IOException {

    baseBuffer.rewind();//from w  w  w.  j  ava2s.co m
    checkBuffer.rewind();
    tailBuffer.rewind();

    int baseCheckSize = Math.min(maxBaseCheckIndex + 64, baseBuffer.capacity());
    int tailSize = Math.min(tailIndex - TAIL_OFFSET + 64, tailBuffer.capacity());

    DataOutputStream dataOutput = new DataOutputStream(new BufferedOutputStream(output));

    dataOutput.writeBoolean(compact);
    dataOutput.writeInt(baseCheckSize);
    dataOutput.writeInt(tailSize);

    WritableByteChannel channel = Channels.newChannel(dataOutput);

    ByteBuffer tmpBuffer = ByteBuffer.allocate(baseCheckSize * 4);
    IntBuffer tmpIntBuffer = tmpBuffer.asIntBuffer();
    tmpIntBuffer.put(baseBuffer.array(), 0, baseCheckSize);
    tmpBuffer.rewind();
    channel.write(tmpBuffer);

    tmpBuffer = ByteBuffer.allocate(baseCheckSize * 4);
    tmpIntBuffer = tmpBuffer.asIntBuffer();
    tmpIntBuffer.put(checkBuffer.array(), 0, baseCheckSize);
    tmpBuffer.rewind();
    channel.write(tmpBuffer);

    tmpBuffer = ByteBuffer.allocate(tailSize * 2);
    CharBuffer tmpCharBuffer = tmpBuffer.asCharBuffer();
    tmpCharBuffer.put(tailBuffer.array(), 0, tailSize);
    tmpBuffer.rewind();
    channel.write(tmpBuffer);

    dataOutput.flush();
}

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