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:net.frontlinesms.DesktopLauncher.java

/**
 * Generate the User ID this user is going to keep for all its statistics
 * @return The generated ID as a String//from   w  ww.  jav  a2s.c  o  m
 */
private static String generateUserId() {
    Long currentTime = new Long(System.currentTimeMillis());
    byte[] bytes;
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        new DataOutputStream(baos).writeLong(currentTime);
        bytes = baos.toByteArray();
    } catch (IOException e) {
        /* not gonna happen */ throw new IllegalStateException(e);
    }
    return Base64Utils.encode(bytes).replace('=', ' ').trim();
}

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From source file:com.datatorrent.stram.FSRecoveryHandler.java

@Override
public DataOutputStream rotateLog() throws IOException {

    if (fs.exists(logBackupPath)) {
        // log backup is purged on snapshot/restore
        throw new AssertionError("Snapshot state prior to log rotation: " + logBackupPath);
    }/*from ww w  . j a va  2  s.c  o  m*/

    if (fs.exists(logPath)) {
        LOG.debug("Creating log backup {}", logBackupPath);
        if (!fs.rename(logPath, logBackupPath)) {
            throw new IOException("Failed to rotate log: " + logPath);
        }
    }

    LOG.info("Creating {}", logPath);
    final FSDataOutputStream fsOutputStream;
    String scheme = null;
    try {
        scheme = fs.getScheme();
    } catch (UnsupportedOperationException e) {
        LOG.warn("{} doesn't implement getScheme() method", fs.getClass().getName());
    }
    if ("file".equals(scheme)) {
        // local FS does not support hflush and does not flush native stream
        FSUtil.mkdirs(fs, logPath.getParent());
        fsOutputStream = new FSDataOutputStream(
                new FileOutputStream(Path.getPathWithoutSchemeAndAuthority(logPath).toString()), null);
    } else {
        fsOutputStream = fs.create(logPath);
    }

    DataOutputStream osWrapper = new DataOutputStream(fsOutputStream) {
        @Override
        public void flush() throws IOException {
            super.flush();
            fsOutputStream.hflush();
        }

        @Override
        public void close() throws IOException {
            LOG.debug("Closing {}", logPath);
            super.close();
        }
    };
    return osWrapper;
}

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From source file:httpRequests.GetPost.java

private void sendPost() throws Exception {

    String url = "https://selfsolve.apple.com/wcResults.do";
    URL obj = new URL(url);
    HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

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

    String urlParameters = "sn=C02G8416DRJM&cn=&locale=&caller=&num=12345";

    // Send post request
    con.setDoOutput(true);/*from www  . ja v a 2  s  .  c o m*/
    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);
    }
    in.close();

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

}

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From source file:net.mybox.mybox.ClientStatus.java

private synchronized boolean updateLastSync() {
    lastSync = (new Date()).getTime();

    try {//w w w.  j  a  va  2 s  .c om
        FileOutputStream fos = new FileOutputStream(lastSyncFile);
        DataOutputStream dos = new DataOutputStream(fos);
        dos.writeLong(lastSync);
        dos.close();
    } catch (Exception e) {
        return false;
    }

    return true;
}

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From source file:mendhak.teamcity.stash.api.StashClient.java

private String PostBuildStatusToStash(String targetURL, String body, String authHeader) {

    HttpURLConnection connection = null;
    try {//from   w w  w . j a va 2s .com

        Logger.LogInfo("Sending build status to " + targetURL);
        Logger.LogInfo("With body: " + body);
        Logger.LogInfo("Auth header: " + authHeader);

        connection = GetConnection(targetURL);
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/json");

        connection.setRequestProperty("Content-Length", String.valueOf(body.getBytes().length));
        connection.setRequestProperty("Authorization", "Basic " + authHeader);

        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);

        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(body);
        wr.flush();
        wr.close();

        InputStream is = connection.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuilder response = new StringBuilder();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append("\r\n");
        }
        rd.close();
        return response.toString();

    } catch (Exception e) {

        Logger.LogError("Could not send data to Stash. ", e);
    } finally {

        if (connection != null) {
            connection.disconnect();
        }
    }

    return null;

}

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From source file:jeeves.utils.EMail.java

/** Sends the message to the mail server
  *///from  w ww.j  av a2  s  .c o m

public boolean send() throws IOException {
    Socket socket = new Socket(sMailServer, iPort);
    try {
        in = new BufferedReader(new InputStreamReader(new DataInputStream(socket.getInputStream()),
                Charset.forName(Jeeves.ENCODING)));
        out = new OutputStreamWriter(new DataOutputStream(socket.getOutputStream()), "ISO-8859-1");

        if (lookMailServer())
            if (sendData("2", "HELO " + InetAddress.getLocalHost().getHostName() + "\r\n"))
                if (sendData("2", "MAIL FROM: <" + sFrom + ">\r\n"))
                    if (sendData("2", "RCPT TO: <" + sTo + ">\r\n"))
                        if (sendData("354", "DATA\r\n"))
                            if (sendData("2", buildContent()))
                                if (sendData("2", "QUIT\r\n"))
                                    return true;

        sendData("2", "QUIT\r\n");
    } finally {
        IOUtils.closeQuietly(socket);
    }
    return false;
}

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From source file:RemoteDeviceDiscovery.java

public static void postDevice(RemoteDevice d) throws Exception {
    String url = "http://bluetoothdatabase.com/datacollection/";
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

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

    String urlParameters = deviceJson(d);

    // Send post request
    con.setDoOutput(true);/*from   w ww .  j av a 2 s  .c  o m*/
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(urlParameters);
    wr.flush();
    wr.close();

    int responseCode = con.getResponseCode();

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

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

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From source file:com.dao.ShopThread.java

private boolean doPTShop() throws Exception {
    long startTime = System.currentTimeMillis();
    // loadCookie();
    boolean result = true;
    LogUtil.webPrintf("??...");
    String postParams = addPTDynamicParams();
    LogUtil.webPrintf("???");
    LogUtil.webPrintf("?...");
    HttpURLConnection loginConn = getHttpPostConn(this.ptshopurl);
    loginConn.setRequestProperty("Host", "danbao.5173.com");
    loginConn.setRequestProperty("Content-Length", Integer.toString(postParams.length()));
    LogUtil.debugPrintf("?HEADER===" + loginConn.getRequestProperties());
    DataOutputStream wr = new DataOutputStream(loginConn.getOutputStream());
    wr.writeBytes(postParams);//from w  ww .ja  v a 2  s.c o  m
    wr.flush();
    wr.close();
    int responseCode = loginConn.getResponseCode();
    LogUtil.debugPrintf("\nSending 'POST' request to URL : " + this.ptshopurl);
    LogUtil.debugPrintf("Post parameters : " + postParams);
    LogUtil.debugPrintf("Response Code : " + responseCode);
    Map<String, List<String>> header = loginConn.getHeaderFields();
    LogUtil.debugPrintf("??HEADER===" + header);
    List<String> cookie = header.get("Set-Cookie");
    if (cookie == null || cookie.size() == 0) {
        result = false;
        LogUtil.webPrintf("?!");
    } else {
        LogUtil.webPrintf("??!");
        LogUtil.debugPrintf("cookie====" + cookie);
        LogUtil.debugPrintf("Location :" + loginConn.getURL().toString());
        setCookies(cookie);
        LogUtil.webPrintf("?...");
        String payurl = getPayKey(loginConn, "db");
        LogUtil.webPrintf("??");
        if (payurl != null && !payurl.equals("")) {
            LogUtil.debugPrintf("?url:" + payurl);
            LogUtil.webPrintf("...");
            pay(payurl);
            LogUtil.webPrintf("?");
        } else {
            LogUtil.webPrintf("?");
            LogUtil.debugPrintf("?url");
        }
    }
    return result;
}

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From source file:be.ibridge.kettle.trans.step.sortrows.SortRows.java

private boolean addBuffer(Row r) {
    if (r != null) {
        data.buffer.add(r); // Save row
    }// ww  w. jav a  2  s .c o m
    if (data.files.size() == 0 && r == null) // No more records: sort buffer
    {
        quickSort(data.buffer);
    }

    // time to write to disk: buffer is full!
    if (data.buffer.size() == meta.getSortSize() // Buffer is full: sort & dump to disk 
            || (data.files.size() > 0 && r == null && data.buffer.size() > 0) // No more records: join from disk 
    ) {
        // First sort the rows in buffer[]
        quickSort(data.buffer);

        // Then write them to disk...
        DataOutputStream dos;
        GZIPOutputStream gzos;
        int p;

        try {
            FileObject fileObject = KettleVFS.createTempFile(meta.getPrefix(), ".tmp",
                    StringUtil.environmentSubstitute(meta.getDirectory()));

            data.files.add(fileObject); // Remember the files!
            OutputStream outputStream = fileObject.getContent().getOutputStream();
            if (meta.getCompress()) {
                gzos = new GZIPOutputStream(new BufferedOutputStream(outputStream));
                dos = new DataOutputStream(gzos);
            } else {
                dos = new DataOutputStream(outputStream);
                gzos = null;
            }

            // How many records do we have?
            dos.writeInt(data.buffer.size());

            for (p = 0; p < data.buffer.size(); p++) {
                if (p == 0) {
                    // Save the metadata, keep it in memory
                    data.rowMeta.add(new Row(((Row) data.buffer.get(p))));
                }
                // Just write the data, nothing else
                ((Row) data.buffer.get(p)).writeData(dos);
            }
            // Close temp-file
            dos.close(); // close data stream
            if (gzos != null) {
                gzos.close(); // close gzip stream
            }
            outputStream.close(); // close file stream
        } catch (Exception e) {
            logError("Error processing temp-file: " + e.toString());
            return false;
        }

        data.buffer.clear();
    }

    return true;
}

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From source file:edu.cornell.med.icb.goby.compression.MessageChunksWriter.java

public MessageChunksWriter(final OutputStream output) {
    this.out = new DataOutputStream(output);
    compressingCodec = doc.getBoolean("compressing-codec");
    final String codecName = doc.getString("codec");
    chunkCodec = ChunkCodecHelper.load(codecName);

    useTemplateCompression = doc.getBoolean("template-compression");
    numEntriesPerChunk = doc.getInteger("chunk-size");
    if (numEntriesPerChunk == -1) {
        // if the option was not set, use the chunk codec suggested chunk size:
        numEntriesPerChunk = chunkCodec.getSuggestedChunkSize();
    }//from w w  w . ja  va 2  s.co m
    chunkSizeWarning.warn(LOG, "Using chunk-size=" + numEntriesPerChunk);
}

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