Example usage for java.util.zip DeflaterOutputStream DeflaterOutputStream

Introduction

In this page you can find the example usage for java.util.zip DeflaterOutputStream DeflaterOutputStream.

Prototype

public DeflaterOutputStream(OutputStream out) 

Source Link

Document

Creates a new output stream with a default compressor and buffer size.

Usage

From source file:FileDeflater.java

public static void main(String[] args) throws Exception {
    FileInputStream fin = new FileInputStream("a.dat");
    FileOutputStream fout = new FileOutputStream("b.dat");
    DeflaterOutputStream dos = new DeflaterOutputStream(fout);
    for (int c = fin.read(); c != -1; c = fin.read()) {
        dos.write(c);//from   ww w.java2  s .c om
    }
    dos.close();
    fin.close();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    double data[] = { 1.1, 2.2, 3.3, 4.4, 5.5, 6.6 };
    DataOutputStream fout = new DataOutputStream(new DeflaterOutputStream(new FileOutputStream("data.dat")));
    fout.writeInt(data.length);//from w w  w. ja  v a2s .  c  o  m

    for (double d : data)
        fout.writeDouble(d);

    DataInputStream fin = new DataInputStream(new InflaterInputStream(new FileInputStream("data.dat")));
    int num = fin.readInt();

    double avg = 0.0;
    double d;

    for (int i = 0; i < num; i++) {
        d = fin.readDouble();
        avg += d;
        System.out.print(d + " ");
    }
    fin.close();
    fout.close();
}

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From source file:Main.java

public static void main(String[] args) {
    for (int i = 0; i < args.length; i++) {
        try {/*from  w  w w  .j  a  va 2 s.  co  m*/
            FileInputStream fin = new FileInputStream(args[i]);
            FileOutputStream fout = new FileOutputStream(args[i] + "dfl");
            DeflaterOutputStream dos = new DeflaterOutputStream(fout);
            for (int c = fin.read(); c != -1; c = fin.read()) {
                dos.write(c);
            }
            dos.close();
            fin.close();
        } catch (IOException ex) {
            System.err.println(ex);
        }
    }
}

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From source file:MainClass.java

public static void main(String[] args) {

    for (int i = 0; i < args.length; i++) {
        try {/*from   w w  w .  j a v a2 s.c o m*/
            FileInputStream fin = new FileInputStream(args[i]);
            FileOutputStream fout = new FileOutputStream(args[i] + DEFLATE_SUFFIX);
            DeflaterOutputStream dos = new DeflaterOutputStream(fout);
            for (int c = fin.read(); c != -1; c = fin.read()) {
                dos.write(c);
            }
            dos.close();
            fin.close();
        } catch (IOException ex) {
            System.err.println(ex);
        }
    }
}

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From source file:de.qaware.chronix.spark.api.java.ExternalizeTestData.java

/**
 * @param args optional first argument: file to serialize to. A default file name is provided.
 * @throws SolrServerException//w w  w  .  j  a va 2 s  .  co  m
 * @throws FileNotFoundException
 */
public static void main(String[] args) throws SolrServerException, IOException {

    ChronixSparkLoader chronixSparkLoader = new ChronixSparkLoader();
    ChronixYAMLConfiguration config = chronixSparkLoader.getConfig();

    String file = (args.length >= 1) ? args[0] : config.getTestdataFile();

    Path filePath = Paths.get(file);
    Files.deleteIfExists(filePath);
    Output output = new Output(new DeflaterOutputStream(new FileOutputStream(filePath.toString())));
    System.out.println("Opening test data file: " + filePath.toString());

    ChronixSparkContext cSparkContext = null;

    //Create target file
    try {
        //Create Chronix Spark context
        cSparkContext = chronixSparkLoader.createChronixSparkContext();

        //Read data into ChronixRDD
        SolrQuery query = new SolrQuery(config.getSolrReferenceQuery());
        ChronixRDD rdd = cSparkContext.queryChronixChunks(query, config.getZookeeperHost(),
                config.getChronixCollection(), config.getStorage());

        System.out.println("Writing " + rdd.count() + " time series into test data file.");

        //Loop through result and serialize it to disk
        Kryo kryo = new Kryo();
        List<MetricTimeSeries> mtsList = IteratorUtils.toList(rdd.iterator());
        System.out.println("Writing objects...");
        kryo.writeObject(output, mtsList);
        output.flush();
        System.out.println("Objects written.");
    } finally {
        output.close();
        if (cSparkContext != null) {
            cSparkContext.getSparkContext().close();
        }
        System.out.println("Test data file written successfully!");
    }
}

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From source file:de.topobyte.livecg.core.painting.backend.ipe.IpeImageEncoder.java

public static IpeImage encode(Image image) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DeflaterOutputStream dos = new DeflaterOutputStream(baos);
    for (int j = 0; j < image.getHeight(); j++) {
        for (int i = 0; i < image.getWidth(); i++) {
            int rgb = image.getRGB(i, j);
            dos.write(rgb >> 16);/*from  www.j av  a2 s . com*/
            dos.write(rgb >> 8);
            dos.write(rgb);
        }
    }
    dos.close();
    byte[] buffer = baos.toByteArray();
    int length = buffer.length;

    byte[] bbase64 = Base64.encodeBase64(buffer);
    String base64 = new String(bbase64);

    return new IpeImage(base64, length);
}

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From source file:com.jzboy.couchdb.DatabaseDocUpdateTest.java

@BeforeClass
public static void setUpClass() throws Exception {
    dbName = "jzboy_test_db_" + System.currentTimeMillis();
    instance = new Database(dbName);
    instance.create();// ww w.  j av  a 2  s . c o m

    // create a gzipped attachment
    final String inputString = "blahblahblah??";
    byte[] input = inputString.getBytes("utf-8");
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    DeflaterOutputStream deflater = new DeflaterOutputStream(os);
    deflater.write(input, 0, input.length);
    deflater.close();
    attachment = os.toByteArray();
}

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From source file:util.RequestUtil.java

/**
 * Generates an encoded and compressed String from the specified XML-formatted
 * String. The String is encoded in the following order:
 * <p>/*w  w  w .  jav a 2s.  c o m*/
 * 1. URL encode <br>
 * 2. Base64 encode <br>
 * 3. Deflate <br>
 * 
 * @param xmlString XML-formatted String that is to be encoded
 * @return String containing the encoded contents of the specified XML String
 */
public static String encodeMessage(String xmlString) throws IOException, UnsupportedEncodingException {
    // first DEFLATE compress the document (saml-bindings-2.0,
    // section 3.4.4.1)
    byte[] xmlBytes = xmlString.getBytes("UTF-8");
    ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
    DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteOutputStream);
    deflaterOutputStream.write(xmlBytes, 0, xmlBytes.length);
    deflaterOutputStream.close();

    // next, base64 encode it
    Base64 base64Encoder = new Base64();
    byte[] base64EncodedByteArray = base64Encoder.encode(byteOutputStream.toByteArray());
    String base64EncodedMessage = new String(base64EncodedByteArray);

    // finally, URL encode it
    String urlEncodedMessage = URLEncoder.encode(base64EncodedMessage, "UTF-8");

    return urlEncodedMessage;
}

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From source file:net.paygate.saml.util.RequestUtil.java

/**
 * Generates an encoded and compressed String from the specified XML-formatted
 * String. The String is encoded in the following order:
 * <p>/*from w w w.  j  a v a  2  s .co m*/
 * 1. URL encode <br>
 * 2. Base64 encode <br>
 * 3. Deflate <br>
 * 
 * @param xmlString XML-formatted String that is to be encoded
 * @return String containing the encoded contents of the specified XML String
 */
public static String encodeMessage(String xmlString) throws IOException, UnsupportedEncodingException {
    // first DEFLATE compress the document (saml-bindings-2.0,
    // section 3.4.4.1)
    byte[] xmlBytes = xmlString.getBytes("UTF-8");
    ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
    DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteOutputStream);
    deflaterOutputStream.write(xmlBytes, 0, xmlBytes.length);
    deflaterOutputStream.close();

    // next, base64 encode it
    Base64 base64Encoder = new Base64();
    byte[] base64EncodedByteArray = base64Encoder.encode(byteOutputStream.toByteArray());
    String base64EncodedMessage = new String(base64EncodedByteArray);

    // finally, URL encode it
    String urlEncodedMessage = URLEncoder.encode(base64EncodedMessage);

    return urlEncodedMessage;
}

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From source file:com.integrareti.integraframework.util.RequestUtil.java

/**
 * Generates an encoded and compressed String from the specified
 * XML-formatted String. The String is encoded in the following order:
 * <p>/*from  w w  w. j av  a2s  .com*/
 * 1. URL encode <br>
 * 2. Base64 encode <br>
 * 3. Deflate <br>
 * 
 * @param xmlString
 *            XML-formatted String that is to be encoded
 * @return String containing the encoded contents of the specified XML
 *         String
 */
public static String encodeMessage(String xmlString) throws IOException, UnsupportedEncodingException {
    // first DEFLATE compress the document (saml-bindings-2.0,
    // section 3.4.4.1)
    byte[] xmlBytes = xmlString.getBytes("UTF-8");
    ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
    DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteOutputStream);
    deflaterOutputStream.write(xmlBytes, 0, xmlBytes.length);
    deflaterOutputStream.close();
    // next, base64 encode it
    Base64 base64Encoder = new Base64();
    byte[] base64EncodedByteArray = base64Encoder.encode(byteOutputStream.toByteArray());
    String base64EncodedMessage = new String(base64EncodedByteArray);
    // finally, URL encode it
    String urlEncodedMessage = URLEncoder.encode(base64EncodedMessage, "UTF-8");
    return urlEncodedMessage;
}

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