Example usage for java.io BufferedWriter BufferedWriter

Introduction

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

Prototype

public BufferedWriter(Writer out)

Source Link

Document

Creates a buffered character-output stream that uses a default-sized output buffer.

Usage

From source file:com.incapture.rapgen.output.OutputWriter.java

/**
 * Some files are composed of multiple templates. So the map passed in here is filename to template order to template.
 * E.g. "file.txt"->1->"some code" "file.txt"->2->"other code" and so on.
 *
 * @param rootFolder/*from  w  w w . j  a  va 2  s  .  c o  m*/
 * @param pathToTemplate
 */
public static void writeMultiPartTemplates(String rootFolder,
        Map<String, Map<String, StringTemplate>> pathToTemplate) {
    // For each file, dump the templates
    for (Map.Entry<String, Map<String, StringTemplate>> entry : pathToTemplate.entrySet()) {
        File file = new File(rootFolder, entry.getKey());
        file.getParentFile().mkdirs();

        BufferedWriter bow = null;
        try {
            bow = new BufferedWriter(new FileWriter(file));
            Set<String> sections = entry.getValue().keySet();
            SortedSet<String> sorted = new TreeSet<String>();
            sorted.addAll(sections);
            for (String sec : sorted) {
                bow.write(entry.getValue().get(sec).toString());
                bow.newLine();
            }
            bow.close();
        } catch (IOException e) {
            System.err.println(e.getMessage());
        } finally {
            if (bow != null) {
                try {
                    bow.close();
                } catch (IOException e) {
                    System.err.println("Error closing output stream: " + ExceptionToString.format(e));
                }
            }
        }
    }
}

From source file:CSVFileWriter.java

public CSVFileWriter(Writer writer) {
    this.writer = new BufferedWriter(writer);
    this.format = new CSVFormat();
}

From source file:de.highbyte_le.weberknecht.request.view.JsonActionProcessor.java

public boolean processView(HttpServletRequest request, HttpServletResponse response, JsonView action)
        throws IOException, JSONException {

    response.setContentType("application/json");
    response.setCharacterEncoding("UTF-8");

    BufferedWriter writer = null;
    try {//from w  w  w. j  av a  2s  . co m
        writer = new BufferedWriter(response.getWriter());
        JSONWriter jsonWriter = new JSONWriter(writer);
        action.writeJson(jsonWriter);
        writer.flush();
    } finally {
        if (writer != null)
            writer.close();
    }

    return true;
}

From source file:edu.iu.daal_kmeans.regroupallgather.KMUtil.java

/**
 * Generate centroids and upload to the cDir
 * //from   www  . j  av a  2 s  . c  o  m
 * @param numCentroids
 * @param vectorSize
 * @param configuration
 * @param random
 * @param cenDir
 * @param fs
 * @throws IOException
 */
static void generateCentroids(int numCentroids, int vectorSize, Configuration configuration, Path cenDir,
        FileSystem fs) throws IOException {
    Random random = new Random();
    double[] data = null;
    if (fs.exists(cenDir))
        fs.delete(cenDir, true);
    if (!fs.mkdirs(cenDir)) {
        throw new IOException("Mkdirs failed to create " + cenDir.toString());
    }
    data = new double[numCentroids * vectorSize];
    for (int i = 0; i < data.length; i++) {
        data[i] = random.nextDouble() * 1000;
    }
    Path initClustersFile = new Path(cenDir, Constants.CENTROID_FILE_NAME);
    System.out.println("Generate centroid data." + initClustersFile.toString());
    FSDataOutputStream out = fs.create(initClustersFile, true);
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(out));
    for (int i = 0; i < data.length; i++) {
        if ((i % vectorSize) == (vectorSize - 1)) {
            bw.write(data[i] + "");
            bw.newLine();
        } else {
            bw.write(data[i] + " ");
        }
    }
    bw.flush();
    bw.close();
    System.out.println("Wrote centroids data to file");
}

From source file:com.sat.common.CustomReport.java

/**
 * Generate html file.//from  w  ww  . j  ava2s . c om
 *
 * @param msg the msg
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws FileNotFoundException the file not found exception
 */
private static void generateHtmlFile(String msg) throws IOException, FileNotFoundException {
    String htmlfname = "./customreport.html";
    String eol = System.getProperty("line.separator");
    msg = msg.replaceAll("<tr", eol + "<tr");
    msg = msg.replaceAll("</table>", eol + "</table>");
    msg = msg.replaceAll("<table", eol + "<table");
    new FileOutputStream(htmlfname).close();
    PrintWriter htmlfile = new PrintWriter(new BufferedWriter(new FileWriter(htmlfname, true)));
    htmlfile.print(msg);
    htmlfile.close();
}

From source file:finalproject.FileIO.java

/**
 * Prints the date, data, and the notes to a file for later use
 * @param date//from  w  w w .  j  a va 2 s.  c o m
 * @param data
 * @param notes 
 */
public void outputToFile(String date, String[][] data, String notes) {
    //File f = new File("Resources/Data/" + date + ".txt");
    // For "commercial" use
    //File f = new File("C:\\Program Files\\BGDataAnalysis\\Data\\" + date + ".txt");
    File f = new File("C:\\BGDataAnalysis\\Data\\" + date + ".txt");

    try {
        BufferedWriter wrtr = new BufferedWriter(new FileWriter(f));

        wrtr.write(date);
        wrtr.newLine();
        wrtr.write(notes);
        wrtr.newLine();

        for (int i = 0; i < 24; i++) {
            if (data[i][1] != null) {
                wrtr.write(data[i][0] + "%" + data[i][1]);
                wrtr.newLine();
            }

        }

        wrtr.close();
    } catch (Exception ex) {
        System.out.println("Output Error!");
        System.out.println(ex.getMessage());
    }
}

From source file:com.github.seqware.queryengine.system.Utility.java

/**
 * Write to output file a tab separated key value file represented by map
 *
 * @param outputFile a {@link java.io.File} object.
 * @param map a {@link java.util.Map} object.
 *///from  w w w  . j  a v  a 2s  .  c o  m
public static void writeKeyValueFile(File outputFile, Map<String, String> map) {
    if (outputFile != null) {
        try {
            PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(outputFile)));
            for (Map.Entry<String, String> e : map.entrySet()) {
                out.println(e.getKey() + "\t" + e.getValue());
                Logger.getLogger(FeatureImporter.class.getName())
                        .info("Writing " + e.getKey() + " " + e.getValue() + " file");
            }
            out.close();
        } catch (IOException ex) {
            Logger.getLogger(FeatureImporter.class.getName()).fatal("Could not write to output file");
        }
    }
}

From source file:at.orz.arangodb.http.JsonSequenceEntity.java

public void writeTo(OutputStream outstream) throws IOException {

    if (outstream == null) {
        throw new IllegalArgumentException("Output stream may not be null");
    }/*from  w  ww  .  j  a  v a  2 s.  c om*/

    BufferedWriter writer = null;
    try {
        writer = new BufferedWriter(new OutputStreamWriter(outstream, "UTF-8"));
        while (it.hasNext()) {
            Object value = it.next();
            gson.toJson(value, writer);
            writer.newLine();
        }
        writer.flush();
    } finally {
    }

}

From source file:com.interacciones.mxcashmarketdata.driver.process.impl.FileMessageProcessing.java

public FileMessageProcessing() {
    try {/*from  w w  w  .j a v a2  s.  c om*/
        file = new File("ProcessingFilter.log");
        is = new FileWriter(file, true);
        bf = new BufferedWriter(is);
        formato = new SimpleDateFormat("H:mm:ss.SSS");
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.dclab.preparation.ReadTest.java

public ReadTest(String path) throws IOException {
    bfw = new BufferedWriter(new FileWriter("grants.txt"));
    File folder = new File(path);
    dig(folder);//from   w ww .  j av  a  2  s .c  o m
    bfw.close();
}