Example usage for java.io BufferedWriter flush

Introduction

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

Prototype

public void flush() throws IOException 

Source Link

Document

Flushes the stream.

Usage

From source file:com.linkedin.pinot.controller.helix.ControllerTest.java

public static String sendPostRequest(String urlString, String payload)
        throws UnsupportedEncodingException, IOException, JSONException {
    LOGGER.info("Sending POST to " + urlString + " with payload " + payload);
    final long start = System.currentTimeMillis();
    final URL url = new URL(urlString);
    final URLConnection conn = url.openConnection();
    conn.setDoOutput(true);/*w w w  .ja  va  2  s. c o  m*/
    final BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(conn.getOutputStream(), "UTF-8"));

    writer.write(payload, 0, payload.length());
    writer.flush();
    final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));

    final StringBuilder sb = new StringBuilder();
    String line = null;
    while ((line = reader.readLine()) != null) {
        sb.append(line);
    }

    final long stop = System.currentTimeMillis();

    LOGGER.info(" Time take for Request : " + payload + " in ms:" + (stop - start));

    return sb.toString();
}

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From source file:com.example.makerecg.NetworkUtilities.java

/**
 * Perform 2-way sync with the server-side ADSampleFrames. We send a request that
 * includes all the locally-dirty contacts so that the server can process
 * those changes, and we receive (and return) a list of contacts that were
 * updated on the server-side that need to be updated locally.
 *
 * @param account The account being synced
 * @param authtoken The authtoken stored in the AccountManager for this
 *            account//from   w  w w .j av a 2  s . c o m
 * @param serverSyncState A token returned from the server on the last sync
 * @param dirtyFrames A list of the frames to send to the server
 * @return A list of frames that we need to update locally
 */
public static List<ADSampleFrame> syncSampleFrames(Account account, String authtoken, long serverSyncState,
        List<ADSampleFrame> dirtyFrames)
        throws JSONException, ParseException, IOException, AuthenticationException {

    List<JSONObject> jsonFrames = new ArrayList<JSONObject>();
    for (ADSampleFrame frame : dirtyFrames) {
        jsonFrames.add(frame.toJSONObject());
    }

    JSONArray buffer = new JSONArray(jsonFrames);
    JSONObject top = new JSONObject();

    top.put("data", buffer);

    // Create an array that will hold the server-side ADSampleFrame
    // that have been changed (returned by the server).
    final ArrayList<ADSampleFrame> serverDirtyList = new ArrayList<ADSampleFrame>();

    // Send the updated frames data to the server
    //Log.i(TAG, "Syncing to: " + SYNC_URI);
    URL urlToRequest = new URL(SYNC_URI);
    HttpURLConnection conn = (HttpURLConnection) urlToRequest.openConnection();
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");
    conn.setRequestProperty("Authorization", "Bearer " + authtoken);

    OutputStream os = conn.getOutputStream();
    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
    writer.write(top.toString(1));
    writer.flush();
    writer.close();
    os.close();

    //Log.i(TAG, "body="+top.toString(1));

    int responseCode = conn.getResponseCode();

    if (responseCode == HttpsURLConnection.HTTP_OK) {
        // Our request to the server was successful - so we assume
        // that they accepted all the changes we sent up, and
        // that the response includes the contacts that we need
        // to update on our side...

        // TODO: Only uploading data for now ...

        String response = "";
        String line;
        BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        while ((line = br.readLine()) != null) {
            response += line;
        }
        br.close();

        //Log.i(TAG, "response="+response);
        /*
        final JSONArray serverContacts = new JSONArray(response);
        Log.d(TAG, response);
        for (int i = 0; i < serverContacts.length(); i++) {
        ADSampleFrame rawContact = ADSampleFrame.valueOf(serverContacts.getJSONObject(i));
        if (rawContact != null) {
            serverDirtyList.add(rawContact);
        }
        }
        */
    } else {
        if (responseCode == HttpsURLConnection.HTTP_UNAUTHORIZED) {
            Log.e(TAG, "Authentication exception in while uploading data");
            throw new AuthenticationException();
        } else {
            Log.e(TAG, "Server error in sending sample frames: " + responseCode);
            throw new IOException();
        }
    }

    return null;
}

---

From source file:es.sotileza.plugin.utils.Utilidades.java

public static void paintFile(String file, List<String> lineas) throws IOException {
    FileWriter output = new FileWriter(file);
    BufferedWriter writer = new BufferedWriter(output);
    for (String i : lineas)
        writer.write(i + "\n");
    System.out.println("Generado el fichero: " + file);
    writer.flush();
}

---

From source file:fr.ece.epp.tools.Utils.java

public static void writeScript(String path, String version) {
    String system = System.getProperty("os.name");
    try {/*from   w  ww  . j a  v  a  2 s  . c o m*/
        if (system.startsWith("Windows")) {
            File writename = new File(path);
            writename.createNewFile();

            BufferedWriter out = new BufferedWriter(new FileWriter(writename));

            out.write("%~d0\n\r");
            out.write("cd %~dp0\n\r");
            out.write("mvn install -P base," + version);
            out.flush(); // 
            out.close(); // ?  

        } else if (system.startsWith("Linux") || system.startsWith("Mac")) {
            File writename = new File(path);
            writename.createNewFile();

            BufferedWriter out = new BufferedWriter(new FileWriter(writename));

            out.write("#!/bin/sh\n\n");
            out.write("BASEDIR=$(dirname $0)\n");
            out.write("cd $BASEDIR\n");
            out.write("mvn install -P base," + version);
            out.flush(); // 
            out.close(); // ?  
        }
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

From source file:edgeserver.Publicador.java

private static void armazenaFila(ArrayList filaPublicacoes) throws IOException {
    new PrintWriter("fila.txt").close();
    filaPublicacoes.stream().forEach((publicacao) -> {
        BufferedWriter bw = null;
        try {//from ww  w. ja v a  2  s  .  co m
            // APPEND MODE SET HERE
            bw = new BufferedWriter(new FileWriter("fila.txt", true));
            bw.write(publicacao.toString());
            bw.newLine();
            bw.flush();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        } finally { // always close the file
            if (bw != null)
                try {
                    bw.close();
                } catch (IOException ioe2) {
                    // just ignore it
                }
        }
    });

}

---

From source file:com.dc.util.file.FileSupport.java

public static void appendToFile(File file, String data) throws IOException {
    FileWriter fileWriter = null;
    BufferedWriter bufferedWriter = null;
    try {//from ww w . ja  v a  2 s.  c  om
        fileWriter = new FileWriter(file, true);
        bufferedWriter = new BufferedWriter(fileWriter);
        bufferedWriter.write(data);
        bufferedWriter.flush();
    } finally {
        if (fileWriter != null) {
            fileWriter.close();
        }
        if (bufferedWriter != null) {
            bufferedWriter.close();
        }
    }
}

---

From source file:com.dc.util.file.FileSupport.java

public static void writeTextFile(String folderPath, String fileName, String data, boolean isExecutable)
        throws IOException {
    File dir = new File(folderPath);
    if (!dir.exists()) {
        dir.mkdirs();//from  w  w  w.j  av a2s  .co  m
    }
    File file = new File(dir, fileName);
    FileWriter fileWriter = null;
    BufferedWriter bufferedWriter = null;
    try {
        fileWriter = new FileWriter(file);
        bufferedWriter = new BufferedWriter(fileWriter);
        bufferedWriter.write(data);
        bufferedWriter.flush();
        if (isExecutable) {
            file.setExecutable(true);
        }
    } finally {
        if (fileWriter != null) {
            fileWriter.close();
        }
        if (bufferedWriter != null) {
            bufferedWriter.close();
        }
    }
}

---

From source file:com.packtpub.mahout.cookbook.chapter01.App.java

private static void CreateCsvRatingsFile() throws FileNotFoundException, IOException {

    BufferedReader br = new BufferedReader(new FileReader(inputFile));
    BufferedWriter bw = new BufferedWriter(new FileWriter(outputFile));

    String line = null;// w ww .j av a2  s.co m
    String line2write = null;
    String[] temp;

    int i = 0;
    while ((line = br.readLine()) != null && i < 1000) {
        i++;
        temp = line.split("::");
        line2write = temp[0] + "," + temp[1];
        bw.write(line2write);
        bw.newLine();
        bw.flush();

    }
    br.close();
    bw.close();
}

---

From source file:uk.ac.bbsrc.tgac.miso.integration.util.IntegrationUtils.java

/**
 * Sends a String message to a given host socket
 * /*ww w  . j a  v  a2 s.  c o m*/
 * @param socket
 *          of type Socket
 * @param query
 *          of type String
 * @return String
 * @throws IntegrationException
 *           when the socket couldn't be created
 */
public static String sendMessage(Socket socket, String query) throws IntegrationException {
    BufferedWriter wr = null;
    BufferedReader rd = null;
    try {
        wr = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8"));

        // Send data
        wr.write(query + "\r\n");
        wr.flush();

        // Get response
        rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        String line;
        StringBuilder sb = new StringBuilder();
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        wr.close();
        rd.close();

        String dirty = sb.toString();
        StringBuilder response = new StringBuilder();
        int codePoint;
        int i = 0;
        while (i < dirty.length()) {
            codePoint = dirty.codePointAt(i);
            if ((codePoint == 0x9) || (codePoint == 0xA) || (codePoint == 0xD)
                    || ((codePoint >= 0x20) && (codePoint <= 0xD7FF))
                    || ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
                    || ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF))) {
                response.append(Character.toChars(codePoint));
            }
            i += Character.charCount(codePoint);
        }

        return response.toString().replace("\\\n", "").replace("\\\t", "");
    } catch (UnknownHostException e) {
        log.error("Cannot resolve host: " + socket.getInetAddress(), e);
        throw new IntegrationException(e.getMessage());
    } catch (IOException e) {
        log.error("Couldn't get I/O for the connection to: " + socket.getInetAddress(), e);
        throw new IntegrationException(e.getMessage());
    } finally {
        try {
            if (wr != null) {
                wr.close();
            }
            if (rd != null) {
                rd.close();
            }
        } catch (Throwable t) {
            log.error("close socket", t);
        }
    }
}

---

From source file:de.nrw.hbz.deepzoomer.fileUtil.FileUtil.java

/**
 * Method appends a String to File/*  ww  w. ja  v  a 2  s  .co  m*/
 * @param fileName
 * @param contentString
 * @return
 */
public static String appendStringToResultFile(String fileName, String contentString) {
    FileWriter fw = null;
    try {
        inputFile = new File(Configuration.getResultDirPath() + fileName);
        fw = new FileWriter(inputFile, true);
        log.info(Configuration.getResultDirPath());
        BufferedWriter bw = new BufferedWriter(fw);
        bw.append(contentString);
        bw.flush();
    } catch (IOException ioExc) {
        log.error(ioExc);
    } finally {
        if (fw != null) {
            try {
                fw.close();
            } catch (IOException ioExc) {
                log.error(ioExc);
            }
        }
    }
    log.info("File-Size, Ergebnis: " + inputFile.length());
    return inputFile.getName();
}

---

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