Example usage for java.io BufferedOutputStream BufferedOutputStream

Introduction

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

Prototype

public BufferedOutputStream(OutputStream out) 

Source Link

Document

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

Usage

From source file:Ch7_Images.java

public static void main(String[] args) {
    int numRows = 6, numCols = 11, pix = 20;
    PaletteData pd = new PaletteData(
            new RGB[] { new RGB(0x00, 0x00, 0x00), new RGB(0x80, 0x80, 0x80), new RGB(0xFF, 0xFF, 0xFF) });

    ImageData[] flagArray = new ImageData[3];
    for (int frame = 0; frame < flagArray.length; frame++) {
        flagArray[frame] = new ImageData(pix * numCols, pix * numRows, 4, pd);
        flagArray[frame].delayTime = 10;
        for (int x = 0; x < pix * numCols; x++) {
            for (int y = 0; y < pix * numRows; y++) {
                int value = (((x / pix) % 3) + (3 - ((y / pix) % 3)) + frame) % 3;
                flagArray[frame].setPixel(x, y, value);
            }/* w  w w . ja v a 2  s  . co m*/
        }
    }

    ImageLoader gifloader = new ImageLoader();
    ByteArrayOutputStream flagByte[] = new ByteArrayOutputStream[3];
    byte[][] gifarray = new byte[3][];
    gifloader.data = flagArray;

    for (int i = 0; i < 3; i++) {
        flagByte[i] = new ByteArrayOutputStream();
        flagArray[0] = flagArray[i];
        gifloader.save(flagByte[i], SWT.IMAGE_GIF);
        gifarray[i] = flagByte[i].toByteArray();
    }

    byte[] gif = new byte[4628];
    System.arraycopy(gifarray[0], 0, gif, 0, 61);
    System.arraycopy(new byte[] { 33, (byte) 255, 11 }, 0, gif, 61, 3);
    System.arraycopy("NETSCAPE2.0".getBytes(), 0, gif, 64, 11);
    System.arraycopy(new byte[] { 3, 1, -24, 3, 0, 33, -7, 4, -24 }, 0, gif, 75, 9);
    System.arraycopy(gifarray[0], 65, gif, 84, 1512);

    for (int i = 1; i < 3; i++) {
        System.arraycopy(gifarray[i], 61, gif, 1516 * i + 80, 3);
        gif[1516 * i + 83] = (byte) -24;
        System.arraycopy(gifarray[i], 65, gif, 1516 * i + 84, 1512);
    }

    try {
        DataOutputStream in = new DataOutputStream(
                new BufferedOutputStream(new FileOutputStream(new File("FlagGIF.gif"))));
        in.write(gif, 0, gif.length);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:cmd.freebase2rdf.java

public static void main(String[] args) throws Exception {
    if (args.length != 2) {
        usage();/*from   w  ww . j a v a2 s  .  c om*/
    }
    File input = new File(args[0]);
    if (!input.exists())
        error("File " + input.getAbsolutePath() + " does not exist.");
    if (!input.canRead())
        error("Cannot read file " + input.getAbsolutePath());
    if (!input.isFile())
        error("Not a file " + input.getAbsolutePath());
    File output = new File(args[1]);
    if (output.exists())
        error("Output file " + output.getAbsolutePath()
                + " already exists, this program do not override existing files.");
    if (output.canWrite())
        error("Cannot write file " + output.getAbsolutePath());
    if (output.isDirectory())
        error("Not a file " + output.getAbsolutePath());
    if (!output.getName().endsWith(".nt.gz"))
        error("Output filename should end with .nt.gz, this is the only format supported.");

    BufferedReader in = new BufferedReader(
            new InputStreamReader(new BZip2CompressorInputStream(new FileInputStream(input))));
    BufferedOutputStream out = new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream(output)));
    String line;

    ProgressLogger progressLogger = new ProgressLogger(log, "lines", 100000, 1000000);
    progressLogger.start();
    Freebase2RDF freebase2rdf = null;
    try {
        freebase2rdf = new Freebase2RDF(out);
        while ((line = in.readLine()) != null) {
            freebase2rdf.send(line);
            progressLogger.tick();
        }
    } finally {
        if (freebase2rdf != null)
            freebase2rdf.close();
    }
    print(log, progressLogger);
}

---

From source file:com.leonarduk.finance.chart.PieChartFactory.java

/**
 * Starting point for the demo./*from  w ww .  j  a  v a  2s .c om*/
 *
 * @param args
 *            ignored.
 */
public static void main(final String[] args) {
    final PieChartFactory factory = new PieChartFactory("Title");
    factory.put("A", 12.2).put("B", 13.2).put("C", 31.2);

    try {
        // write an HTML page incorporating the image with an image map
        final File file2 = new File("multipiechart100.html");
        final OutputStream out = new BufferedOutputStream(new FileOutputStream(file2));
        final PrintWriter writer = new PrintWriter(out);
        writer.println("<HTML>");
        writer.println("<HEAD><TITLE>JFreeChart Image Map Demo</TITLE></HEAD>");
        writer.println("<BODY>");
        // ChartUtilities.writeImageMap(writer, "chart", info);
        writer.println(ChartDisplay.saveImageAsPngAndReturnHtmlLink("345", 400, 400, factory.buildChart()));
        writer.println("</BODY>");
        writer.println("</HTML>");
        writer.close();

    } catch (final IOException e) {
        System.out.println(e.toString());
    }

}

---

From source file:info.debatty.java.datasets.examples.GaussianMixtureBuilder.java

/**
 * @param args the command line arguments
 *///  ww  w.  java2 s . co m
public static void main(String[] args) throws IOException, ClassNotFoundException {
    Dataset dataset = new Dataset.Builder(DIMENSIONALITY, CENTERS).setOverlap(Dataset.Builder.Overlap.MEDIUM)
            .varyDeviation(true).varyWeight(true).setSize(SIZE).build();

    // You can serialize and save your Dataset.
    // This will not save all the points, but only the Dataset oject
    // (including eventual random seeds),
    // which allows to reproduce the dataset using only a small amount of
    // memory
    File file = File.createTempFile("testfile", ".ser");
    dataset.save(new FileOutputStream(file));

    Dataset d2 = (Dataset) Dataset.load(new FileInputStream(file));

    // You can also save to complete data to disk if needed
    // (e.g. for plotting with Gnuplot)
    d2.saveCsv(new BufferedOutputStream(new FileOutputStream(File.createTempFile("gaussian", ".dat"))));

    float[][] float_array = new float[SIZE][];
    int i = 0;
    for (double[] vector : d2) {
        //GaussianMixture.println(vector);
        float_array[i] = toFloatArray(vector);
        i++;
    }

    final FastScatterPlot2D demo = new FastScatterPlot2D("Gaussian Mixture Plot", transposeMatrix(float_array));
    demo.pack();
    demo.setVisible(true);
}

---

From source file:Base64Stuff.java

public static void main(String[] args) {
    //Random random = new Random();
    try {/*from   w  w w  . j a va2  s.c om*/
        File file1 = new File("C:\\\\Program Files\\\\ImageJ\\\\images\\\\confocal-series-10001.tif");
        //File file2 = new File("C:\\Program Files\\ImageJ\\images\\confocal-series-10000.tif");
        ImagePlus image1 = new ImagePlus(
                "C:\\\\Program Files\\\\ImageJ\\\\images\\\\confocal-series-10001.tif");
        //ImagePlus image2 = new ImagePlus("C:\\Program Files\\ImageJ\\images\\two.tif");

        byte[] myBytes1 = org.apache.commons.io.FileUtils.readFileToByteArray(file1);
        //byte[] myBytes2 = org.apache.commons.io.FileUtils.readFileToByteArray(file2);
        //random.nextBytes(randomBytes);

        //String internalVersion1 = com.sun.org.apache.xerces.internal.impl.dv.util.Base64.encode(myBytes1);
        //String internalVersion2 = com.sun.org.apache.xerces.internal.impl.dv.util.Base64.encode(myBytes2);
        byte[] apacheBytes1 = org.apache.commons.codec.binary.Base64.encodeBase64(myBytes1);
        //byte[] apacheBytes2 =  org.apache.commons.codec.binary.Base64.encodeBase64(myBytes2);
        String string1 = new String(apacheBytes1);
        //String string2 = new String(apacheBytes2);

        System.out.println("File1 length:" + string1.length());
        //System.out.println("File2 length:" + string2.length());
        System.out.println(string1);
        //System.out.println(string2);

        System.out.println("Image1 size: (" + image1.getWidth() + "," + image1.getHeight() + ")");
        //System.out.println("Image2 size: (" + image2.getWidth() + "," + image2.getHeight() + ")");

        String urlParameters = "data=" + string1 + "&size=1000x1000";

        URL url = new URL("http://api.qrserver.com/v1/create-qr-code/");
        URLConnection conn = url.openConnection();

        conn.setDoOutput(true);

        OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

        writer.write(urlParameters);
        writer.flush();

        //byte buf[] = new byte[700000000];

        BufferedInputStream reader = new BufferedInputStream(conn.getInputStream());
        BufferedOutputStream bos = new BufferedOutputStream(
                new FileOutputStream("C:\\Users\\expertoweb\\Desktop\\qrcode2.png"));

        int data;
        while ((data = reader.read()) != -1) {
            bos.write(data);
        }

        writer.close();
        reader.close();
        bos.close();

    } catch (IOException e) {
    }
}

---

From source file:com.icesoft.applications.faces.address.XWrapperUtil.java

public static void main(String[] args) {

    if (log.isDebugEnabled()) {
        log.debug("Converting database...");
    }/*from  w  w w . j a v  a 2 s  .com*/

    //load the CSV file
    InputStream is = MatchAddressDB.class.getResourceAsStream(CSV_ADDRESS_DB);
    BufferedReader buff = new BufferedReader(new InputStreamReader(is));

    XMLEncoder xEncode = null;
    XAddressDataWrapper xData;

    //open the XML encoder and attempt to write the xml file
    try {
        xEncode = new XMLEncoder(new BufferedOutputStream(new FileOutputStream(XML_GZ_ADDRESS_DB)));
    } catch (FileNotFoundException ex) {
        log.error("Database could not be written.", ex);
    }

    //first line
    char[] line = getNextLine(buff);

    while (line != null) {

        //get three strings within quotes
        String addressValues[] = new String[3];
        int stringValueStart = 0, stringValueEnd;

        for (int i = 0; i < 3; i++) {
            //opening quote
            while (line[stringValueStart++] != '\"') {
            }
            stringValueEnd = stringValueStart + 1;
            //closing quote
            while (line[stringValueEnd] != '\"') {
                stringValueEnd++;
            }
            //value
            addressValues[i] = new String(line, stringValueStart, stringValueEnd - stringValueStart);
            stringValueStart = stringValueEnd + 1;
        }

        //assign the data to the wrapper
        xData = new XAddressDataWrapper();
        xData.setCity(addressValues[1]);
        xData.setState(addressValues[2]);
        xData.setZip(addressValues[0]);

        //read the next line (entry) in the CSV file
        line = getNextLine(buff);
    }
    //close the XML Encoder
    try {
        xEncode.close();
    } catch (NullPointerException npe) {
        log.error("Could not close XML Encoder.", npe);
        return;
    }
    if (log.isDebugEnabled()) {
        log.debug("Closed XML Encoder.");
    }
}

---

From source file:org.jfree.chart.demo.MeterChartDemo2.java

/**
 * Starting point for the demo./* w  w w. ja v  a  2 s  .  co  m*/
 *
 * @param args  ignored.
 */
public static void main(final String[] args) {

    final ValueDataset dataset = new DefaultValueDataset(75.0);
    final MeterPlot plot = new MeterPlot(dataset);
    final JFreeChart chart = new JFreeChart("Scaled Image Test", plot);

    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.com/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************

    // save it to an image
    try {
        final File file1 = new File("meterchart100.png");
        final OutputStream out = new BufferedOutputStream(new FileOutputStream(file1));
        final BufferedImage image = chart.createBufferedImage(200, 200, 400, 400, null);
        ChartUtilities.writeBufferedImageAsPNG(out, image);
    } catch (IOException e) {
        System.out.println(e.toString());
    }

}

---

From source file:edu.byu.nlp.data.app.DataExporter.java

public static void main(String[] args) throws IOException {
    args = new ArgumentParser(DataExporter.class).parseArgs(args).getPositionalArgs();

    RandomGenerator rnd = new MersenneTwister();
    Dataset dataset = readData(rnd);/*  w  w  w.  j  av a  2  s.co m*/

    Iterable<String> it = Iterables.transform(dataset, new Instance2SVMLitePlus());
    if (args.length < 1) {
        Writers.writeLines(new PrintWriter(new BufferedOutputStream(System.out)), it);
    } else {
        Files2.writeLines(it, args[0]);
    }
}

---

From source file:de.topobyte.osm4j.pbf.executables.EntitySplitBlockwise.java

public static void main(String[] args) throws IOException {
    // @formatter:off
    Options options = new Options();
    OptionHelper.add(options, OPTION_INPUT, true, true, "input file");
    OptionHelper.add(options, OPTION_OUTPUT_NODES, true, false, "the file to write nodes to");
    OptionHelper.add(options, OPTION_OUTPUT_WAYS, true, false, "the file to write ways to");
    OptionHelper.add(options, OPTION_OUTPUT_RELATIONS, true, false, "the file to write relations to");
    // @formatter:on

    CommandLine line = null;//from www  . j a  v a  2s  . co m
    try {
        line = new GnuParser().parse(options, args);
    } catch (ParseException e) {
        System.out.println("unable to parse command line: " + e.getMessage());
        new HelpFormatter().printHelp(HELP_MESSAGE, options);
        System.exit(1);
    }

    if (line == null) {
        return;
    }

    String inputPath = line.getOptionValue(OPTION_INPUT);
    File file = new File(inputPath);
    PbfFile pbfFile = new PbfFile(file);

    OutputStream outNodes = null, outWays = null, outRelations = null;
    if (line.hasOption(OPTION_OUTPUT_NODES)) {
        String path = line.getOptionValue(OPTION_OUTPUT_NODES);
        FileOutputStream fos = new FileOutputStream(path);
        outNodes = new BufferedOutputStream(fos);
    }
    if (line.hasOption(OPTION_OUTPUT_WAYS)) {
        String path = line.getOptionValue(OPTION_OUTPUT_WAYS);
        FileOutputStream fos = new FileOutputStream(path);
        outWays = new BufferedOutputStream(fos);
    }
    if (line.hasOption(OPTION_OUTPUT_RELATIONS)) {
        String path = line.getOptionValue(OPTION_OUTPUT_RELATIONS);
        FileOutputStream fos = new FileOutputStream(path);
        outRelations = new BufferedOutputStream(fos);
    }

    if (outNodes == null && outWays == null && outRelations == null) {
        System.out.println("You should specify an output for at least one entity");
        System.exit(1);
    }

    EntitySplitBlockwise task = new EntitySplitBlockwise(pbfFile, outNodes, outWays, outRelations);
    task.execute();
}

---

From source file:de.topobyte.osm4j.pbf.executables.EntitySplit.java

public static void main(String[] args) throws IOException {
    // @formatter:off
    Options options = new Options();
    OptionHelper.add(options, OPTION_INPUT, true, false, "input file");
    OptionHelper.add(options, OPTION_OUTPUT_NODES, true, false, "the file to write nodes to");
    OptionHelper.add(options, OPTION_OUTPUT_WAYS, true, false, "the file to write ways to");
    OptionHelper.add(options, OPTION_OUTPUT_RELATIONS, true, false, "the file to write relations to");
    // @formatter:on

    CommandLine line = null;//from  w  ww .  j  ava2 s .  co  m
    try {
        line = new GnuParser().parse(options, args);
    } catch (ParseException e) {
        System.out.println("unable to parse command line: " + e.getMessage());
        new HelpFormatter().printHelp(HELP_MESSAGE, options);
        System.exit(1);
    }

    if (line == null) {
        return;
    }

    InputStream in = null;
    if (line.hasOption(OPTION_INPUT)) {
        String inputPath = line.getOptionValue(OPTION_INPUT);
        File file = new File(inputPath);
        FileInputStream fis = new FileInputStream(file);
        in = new BufferedInputStream(fis);
    } else {
        in = new BufferedInputStream(System.in);
    }

    OutputStream outNodes = null, outWays = null, outRelations = null;
    if (line.hasOption(OPTION_OUTPUT_NODES)) {
        String path = line.getOptionValue(OPTION_OUTPUT_NODES);
        FileOutputStream fos = new FileOutputStream(path);
        outNodes = new BufferedOutputStream(fos);
    }
    if (line.hasOption(OPTION_OUTPUT_WAYS)) {
        String path = line.getOptionValue(OPTION_OUTPUT_WAYS);
        FileOutputStream fos = new FileOutputStream(path);
        outWays = new BufferedOutputStream(fos);
    }
    if (line.hasOption(OPTION_OUTPUT_RELATIONS)) {
        String path = line.getOptionValue(OPTION_OUTPUT_RELATIONS);
        FileOutputStream fos = new FileOutputStream(path);
        outRelations = new BufferedOutputStream(fos);
    }

    if (outNodes == null && outWays == null && outRelations == null) {
        System.out.println("You should specify an output for at least one entity");
        System.exit(1);
    }

    EntitySplit task = new EntitySplit(in, outNodes, outWays, outRelations);
    task.execute();
}

---

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