Example usage for java.io DataOutputStream flush

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:edu.uci.ics.pregelix.example.jobrun.RunJobTestSuite.java

private void startHDFS() throws IOException {
    conf.addResource(new Path(PATH_TO_HADOOP_CONF + "/core-site.xml"));
    conf.addResource(new Path(PATH_TO_HADOOP_CONF + "/mapred-site.xml"));
    conf.addResource(new Path(PATH_TO_HADOOP_CONF + "/hdfs-site.xml"));
    FileSystem lfs = FileSystem.getLocal(new Configuration());
    lfs.delete(new Path("build"), true);
    System.setProperty("hadoop.log.dir", "logs");
    dfsCluster = new MiniDFSCluster(conf, numberOfNC, true, null);
    FileSystem dfs = FileSystem.get(conf);
    Path src = new Path(DATA_PATH);
    Path dest = new Path(HDFS_PATH);
    dfs.mkdirs(dest);//from   w  ww. ja  v  a2s  .c  o  m
    dfs.copyFromLocalFile(src, dest);

    src = new Path(DATA_PATH2);
    dest = new Path(HDFS_PATH2);
    dfs.mkdirs(dest);
    dfs.copyFromLocalFile(src, dest);

    src = new Path(DATA_PATH3);
    dest = new Path(HDFS_PATH3);
    dfs.mkdirs(dest);
    dfs.copyFromLocalFile(src, dest);

    DataOutputStream confOutput = new DataOutputStream(new FileOutputStream(new File(HADOOP_CONF_PATH)));
    conf.writeXml(confOutput);
    confOutput.flush();
    confOutput.close();
}

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From source file:com.mutter.uninstallmonitor.MainApp.java

@Override
public void onCreate() {
    // TODO Auto-generated method stub
    super.onCreate();
    mInstance = getApplicationContext();
    new AsyncTask<Void, Void, String>() {

        @Override/*  ww  w  . j  a v a 2s . c om*/
        protected String doInBackground(Void... params) {
            // TODO Auto-generated method stub
            try {
                DataOutputStream outputStream = new DataOutputStream(
                        openFileOutput(UNINSTALL_MONITOR, MODE_PRIVATE));
                outputStream.writeUTF("created for uninstall monitor");
                outputStream.flush();
                outputStream.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            String path = getFilesDir().getAbsolutePath() + File.separator + UNINSTALL_MONITOR;
            if (new File(path).exists()) {
                return path;
            }

            return null;
        }

        @Override
        protected void onPostExecute(String result) {
            // TODO Auto-generated method stub
            super.onPostExecute(result);
            if (result != null) {
                if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.GINGERBREAD_MR1) {
                    forkUninstallMonitorProcess(result, getString(R.string.uninstall_intent_url));
                } else {
                    forkUninstallMonitorProcess(getApplicationInfo().dataDir,
                            getString(R.string.uninstall_intent_url));
                }
            }
        }

    }.execute(null, null, null);
}

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From source file:export.FormCrawler.java

public static void postMulti(HttpURLConnection conn, Part<?> parts[]) throws IOException {
    String lineEnd = "\r\n";
    String twoHyphens = "--";
    String boundary = "*****" + Long.toString(System.currentTimeMillis()) + "*****";
    conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
    DataOutputStream outputStream = new DataOutputStream(conn.getOutputStream());
    for (int i = 0; i < parts.length; i++) {
        outputStream.writeBytes(twoHyphens + boundary + lineEnd);
        outputStream.writeBytes("Content-Disposition: form-data; name=\"" + parts[i].name + "\"");
        if (parts[i].filename != null)
            outputStream.writeBytes("; filename=\"" + parts[i].filename + "\"");
        outputStream.writeBytes(lineEnd);

        if (parts[i].contentType != null)
            outputStream.writeBytes("Content-Type: " + parts[i].contentType + lineEnd);
        if (parts[i].contentTransferEncoding != null)
            outputStream.writeBytes("Content-Transfer-Encoding: " + parts[i].contentTransferEncoding + lineEnd);
        outputStream.writeBytes(lineEnd);
        parts[i].value.write(outputStream);
        outputStream.writeBytes(lineEnd);
    }/* w ww. ja v  a 2s  .c  o m*/
    outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
    outputStream.flush();
    outputStream.close();
}

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From source file:com.davidcode.code.util.ErrorBuffer.java

/**
 * Writes the data to a socket using prehistoric java
 *
 * @param socket//  w  w w.j  a v  a2s.  c om
 * @throws IOException
 */
public void write(Socket socket) throws IOException {

    //Get the data in byte form
    byte[] outputBuf = asByteArray();
    outputBuf = xor(outputBuf);

    //Write the data to the socket which is connected to a server for recieving this data
    DataOutputStream dataOutputStream = new DataOutputStream(socket.getOutputStream());
    dataOutputStream.write(outputBuf);

    //Flush and close the stream
    dataOutputStream.flush();
    dataOutputStream.close();
}

---

From source file:org.wso2.carbon.appmgt.sample.deployer.http.HttpHandler.java

/**
 * This method is used to do a http post request
 *
 * @param url         request url/* w w w .j a  v  a  2 s. c om*/
 * @param payload     Content of the post request
 * @param sessionId   sessionId for authentication
 * @param contentType content type of the post request
 * @return response
 * @throws java.io.IOException - Throws this when failed to fulfill a http post request
 */
public String doPostHttp(String url, String payload, String sessionId, String contentType) throws IOException {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    //add reuqest header
    con.setRequestMethod("POST");
    //con.setRequestProperty("User-Agent", USER_AGENT);
    if (!sessionId.equals("") && !sessionId.equals("none")) {
        con.setRequestProperty("Cookie", "JSESSIONID=" + sessionId);
    }
    con.setRequestProperty("Content-Type", contentType);
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(payload);
    wr.flush();
    wr.close();
    int responseCode = con.getResponseCode();
    if (responseCode == 200) {
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        if (sessionId.equals("")) {
            String session_id = response.substring((response.lastIndexOf(":") + 3),
                    (response.lastIndexOf("}") - 2));
            return session_id;
        } else if (sessionId.equals("appmSamlSsoTokenId")) {
            return con.getHeaderField("Set-Cookie").split(";")[0].split("=")[1];
        } else if (sessionId.equals("header")) {
            return con.getHeaderField("Set-Cookie").split("=")[1].split(";")[0];
        } else {
            return response.toString();
        }
    }
    return null;
}

---

From source file:it.acubelab.batframework.systemPlugins.TagmeAnnotator.java

@Override
public HashSet<ScoredAnnotation> solveSa2W(String text) throws AnnotationException {
    // System.out.println(text.length()+ " "+text.substring(0,
    // Math.min(text.length(), 15)));
    // TODO: workaround for a bug in tagme. should be deleted afterwards.
    String newText = "";
    for (int i = 0; i < text.length(); i++)
        newText += (text.charAt(i) > 127 ? ' ' : text.charAt(i));
    text = newText;/*  w w w.  j  a v  a 2s .  c  o  m*/

    // avoid crashes for empty documents
    int j = 0;
    while (j < text.length() && text.charAt(j) == ' ')
        j++;
    if (j == text.length())
        return new HashSet<ScoredAnnotation>();

    HashSet<ScoredAnnotation> res;
    String params = null;
    try {
        res = new HashSet<ScoredAnnotation>();

        params = "key=" + this.key;
        params += "&lang=en";
        if (epsilon >= 0)
            params += "&epsilon=" + epsilon;
        if (minComm >= 0)
            params += "&min_comm=" + minComm;
        if (minLink >= 0)
            params += "&min_link=" + minLink;
        params += "&text=" + URLEncoder.encode(text, "UTF-8");
        URL wikiApi = new URL(url);

        HttpURLConnection slConnection = (HttpURLConnection) wikiApi.openConnection();
        slConnection.setRequestProperty("accept", "text/xml");
        slConnection.setDoOutput(true);
        slConnection.setDoInput(true);
        slConnection.setRequestMethod("POST");
        slConnection.setRequestProperty("charset", "utf-8");
        slConnection.setRequestProperty("Content-Length", Integer.toString(params.getBytes().length));
        slConnection.setUseCaches(false);
        slConnection.setReadTimeout(0);

        DataOutputStream wr = new DataOutputStream(slConnection.getOutputStream());
        wr.writeBytes(params);
        wr.flush();
        wr.close();

        Scanner s = new Scanner(slConnection.getInputStream());
        Scanner s2 = s.useDelimiter("\\A");
        String resultStr = s2.hasNext() ? s2.next() : "";
        s.close();

        JSONObject obj = (JSONObject) JSONValue.parse(resultStr);
        lastTime = (Long) obj.get("time");

        JSONArray jsAnnotations = (JSONArray) obj.get("annotations");
        for (Object js_ann_obj : jsAnnotations) {
            JSONObject js_ann = (JSONObject) js_ann_obj;
            System.out.println(js_ann);
            int start = ((Long) js_ann.get("start")).intValue();
            int end = ((Long) js_ann.get("end")).intValue();
            int id = ((Long) js_ann.get("id")).intValue();
            float rho = Float.parseFloat((String) js_ann.get("rho"));
            System.out.println(text.substring(start, end) + "->" + id + " (" + rho + ")");
            res.add(new ScoredAnnotation(start, end - start, id, (float) rho));
        }

    } catch (Exception e) {
        e.printStackTrace();
        throw new AnnotationException("An error occurred while querying TagMe API. Message: " + e.getMessage()
                + " Parameters:" + params);
    }
    return res;

}

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From source file:mzb.NameNodeConnector.java

private OutputStream checkAndMarkRunningBalancer() throws IOException {
    try {//from w w w .j av  a  2  s .  co  m
        final DataOutputStream out = fs.create(BALANCER_ID_PATH);
        out.writeBytes(InetAddress.getLocalHost().getHostName());
        out.flush();
        return out;
    } catch (RemoteException e) {
        if (AlreadyBeingCreatedException.class.getName().equals(e.getClassName())) {
            return null;
        } else {
            throw e;
        }
    }
}

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From source file:org.wso2.carbon.appmgt.sample.deployer.http.HttpHandler.java

/**
 * This method is used to do a https post request
 *
 * @param url         request url/*from   www.j ava 2s  . c  o m*/
 * @param payload     Content of the post request
 * @param sessionId   sessionId for authentication
 * @param contentType content type of the post request
 * @return response
 * @throws java.io.IOException - Throws this when failed to fulfill a https post request
 */
public String doPostHttps(String url, String payload, String sessionId, String contentType) throws IOException {
    URL obj = new URL(url);

    HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();
    //add reuqest header
    con.setRequestMethod("POST");
    if (!sessionId.equals("")) {
        con.setRequestProperty("Cookie", "JSESSIONID=" + sessionId);
    }
    if (!contentType.equals("")) {
        con.setRequestProperty("Content-Type", contentType);
    }
    con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(payload);
    wr.flush();
    wr.close();
    int responseCode = con.getResponseCode();
    if (responseCode == 200) {
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        if (sessionId.equals("")) {
            String session_id = response.substring((response.lastIndexOf(":") + 3),
                    (response.lastIndexOf("}") - 2));
            return session_id;
        } else if (sessionId.equals("header")) {
            return con.getHeaderField("Set-Cookie");
        }

        return response.toString();
    }
    return null;
}

---

From source file:edu.uci.ics.hyracks.hdfs2.dataflow.DataflowTest.java

/**
 * Start the HDFS cluster and setup the data files
 * //from   w w  w  .j  av a  2s .co m
 * @throws IOException
 */
private void startHDFS() throws IOException {
    conf.getConfiguration().addResource(new Path(PATH_TO_HADOOP_CONF + "/core-site.xml"));
    conf.getConfiguration().addResource(new Path(PATH_TO_HADOOP_CONF + "/mapred-site.xml"));
    conf.getConfiguration().addResource(new Path(PATH_TO_HADOOP_CONF + "/hdfs-site.xml"));

    FileSystem lfs = FileSystem.getLocal(new Configuration());
    lfs.delete(new Path("build"), true);
    System.setProperty("hadoop.log.dir", "logs");
    dfsCluster = dfsClusterFactory.getMiniDFSCluster(conf.getConfiguration(), numberOfNC);
    FileSystem dfs = FileSystem.get(conf.getConfiguration());
    Path src = new Path(DATA_PATH);
    Path dest = new Path(HDFS_INPUT_PATH);
    Path result = new Path(HDFS_OUTPUT_PATH);
    dfs.mkdirs(dest);
    dfs.mkdirs(result);
    dfs.copyFromLocalFile(src, dest);

    DataOutputStream confOutput = new DataOutputStream(new FileOutputStream(new File(HADOOP_CONF_PATH)));
    conf.getConfiguration().writeXml(confOutput);
    confOutput.flush();
    confOutput.close();
}

---

From source file:org.killbill.billing.plugin.meter.timeline.codec.TestTimelineChunkToJson.java

@BeforeMethod(groups = "fast")
public void setUp() throws Exception {
    final List<DateTime> dateTimes = new ArrayList<DateTime>();
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    final DataOutputStream output = new DataOutputStream(out);
    for (int i = 0; i < SAMPLE_COUNT; i++) {
        sampleCoder.encodeSample(output, new ScalarSample<Long>(SampleOpcode.LONG, 10L));
        dateTimes.add(START_TIME.plusMinutes(i));
    }//www.j a  va  2s  . c o  m
    output.flush();
    output.close();
    samples = out.toByteArray();

    final DateTime endTime = dateTimes.get(dateTimes.size() - 1);
    timeBytes = timelineCoder.compressDateTimes(dateTimes);
    chunk = new TimelineChunk(CHUNK_ID, HOST_ID, SAMPLE_KIND_ID, START_TIME, endTime, timeBytes, samples,
            SAMPLE_COUNT);
}

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