Example usage for java.util.zip GZIPInputStream read

Introduction

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

Prototype

public int read() throws IOException 

Source Link

Document

Reads a byte of uncompressed data.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    ServerSocket ssock = new ServerSocket(Integer.parseInt(args[0]));
    Socket sock = ssock.accept();
    GZIPInputStream zip = new GZIPInputStream(sock.getInputStream());
    while (true) {
        int c;//  w ww  .  j av  a 2  s. c  om
        c = zip.read();
        if (c == -1)
            break;
        System.out.print((char) c);
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    FileInputStream fin = new FileInputStream("a.gz");
    GZIPInputStream gzin = new GZIPInputStream(fin);
    FileOutputStream fout = new FileOutputStream("a.dat");
    for (int c = gzin.read(); c != -1; c = gzin.read()) {
        fout.write(c);/*from  w ww . j  a va 2 s .co  m*/
    }
    fout.close();
}

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From source file:CompRcv.java

public static void main(String[] args) throws Exception {
    ServerSocket ssock = new ServerSocket(Integer.parseInt(args[0]));
    System.out.println("Listening");
    Socket sock = ssock.accept();
    GZIPInputStream zip = new GZIPInputStream(sock.getInputStream());
    while (true) {
        int c;//from w  ww  .j a va2  s  . c o m
        c = zip.read();
        if (c == -1)
            break;
        System.out.print((char) c);
    }
}

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From source file:MainClass.java

public static void main(String[] args) {

    for (int i = 0; i < args.length; i++) {
        if (args[i].toLowerCase().endsWith(".gz")) {
            try {
                FileInputStream fin = new FileInputStream(args[i]);
                GZIPInputStream gzin = new GZIPInputStream(fin);
                FileOutputStream fout = new FileOutputStream(args[i].substring(0, args[i].length() - 3));
                for (int c = gzin.read(); c != -1; c = gzin.read()) {
                    fout.write(c);// www .  j a va  2 s .  c  o  m
                }
                fout.close();
            } catch (IOException ex) {
                System.err.println(ex);
            }
        } else {
            System.err.println(args[i] + " does not appear to be a gzipped file.");
        }
    }
}

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From source file:Main.java

public static byte[] decompressGZIP(byte bytes[]) throws IOException {
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    GZIPInputStream gzipis = new GZIPInputStream(is);
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    int i;//from   w w  w.  ja  va 2 s  .  c  o m
    while ((i = gzipis.read()) != -1) {
        os.write(i);
    }
    gzipis.close();
    os.close();
    return os.toByteArray();
}

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From source file:Main.java

public static byte[] readCompressedData(ByteArrayInputStream bais) {
    int uncompressedLength = getLength(bais);
    byte[] output = new byte[uncompressedLength];
    byte[] compressed = readData(bais);
    GZIPInputStream gs;
    try {//from   ww  w. j a v  a 2 s  . c o  m
        gs = new GZIPInputStream(new ByteArrayInputStream(compressed));
        for (int i = 0; i < uncompressedLength; ++i) {
            output[i] = (byte) gs.read();
        }
    } catch (IOException e) {
        throw new RuntimeException("Cannot decompress", e);
    }

    return output;
}

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From source file:net.ulno.jpunch.util.Util.java

public static byte[] unzip(byte[] data) throws IOException {
    InputStream is = new ByteArrayInputStream(data);
    GZIPInputStream gz = new GZIPInputStream(is);
    List<Byte> l = new ArrayList<Byte>();
    while (gz.available() != 0)
        l.add((byte) gz.read());
    // last byte is unnecessary (it is -1)
    byte[] uncmp = new byte[l.size() - 1];
    for (int i = 0; i < l.size() - 1; i++)
        uncmp[i] = l.get(i);// w w  w. j  a  v  a2 s .c o  m
    return uncmp;
}

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From source file:com.cloudera.knittingboar.utils.Utils.java

/**
 * Ungzip an input file into an output file.
 * <p>/*  w  ww. jav a2  s  .  c  o m*/
 * The output file is created in the output folder, having the same name as
 * the input file, minus the '.gz' extension.
 * 
 * @param inputFile
 *          the input .gz file
 * @param outputDir
 *          the output directory file.
 * @throws IOException
 * @throws FileNotFoundException
 * 
 * @return The {@File} with the ungzipped content.
 */
private static File unGzip(final File inputFile, final File outputDir)
        throws FileNotFoundException, IOException {

    System.out.println(String.format("Ungzipping %s to dir %s.", inputFile.getAbsolutePath(),
            outputDir.getAbsolutePath()));

    final File outputFile = new File(outputDir,
            inputFile.getName().substring(0, inputFile.getName().length() - 3));

    final GZIPInputStream in = new GZIPInputStream(new FileInputStream(inputFile));
    final FileOutputStream out = new FileOutputStream(outputFile);

    for (int c = in.read(); c != -1; c = in.read()) {
        out.write(c);
    }

    in.close();
    out.close();

    return outputFile;
}

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From source file:halive.shootinoutside.common.core.game.map.GameMap.java

public static GameMap createFromByteArray(byte[] b) throws IOException, ParseException {
    ByteArrayInputStream in = new ByteArrayInputStream(b);
    GZIPInputStream input = new GZIPInputStream(in);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int j;//from   w  ww .  j  a  v a  2  s.  c  o  m
    while ((j = input.read()) != -1) {
        out.write(j);
    }
    String s = new String(out.toByteArray());
    return loadGameMapFromJSONString(s);
}

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From source file:pro.foundev.GzipCompressionOfColumnExample.java

private static String fromByteBuffer(ByteBuffer byteBuffer) {
    if (byteBuffer == null) {
        return null;
    }//  w ww  .ja  v a 2 s  .c  om
    GZIPInputStream gzipInputStream = null;
    ByteArrayOutputStream baos = null;
    ByteBuffer dup = ByteBuffer.allocate(byteBuffer.limit());
    dup.clear();
    dup.put(byteBuffer);
    dup.flip();

    try {
        gzipInputStream = new GZIPInputStream(new ByteArrayInputStream(dup.array(), 0, dup.limit()));

        baos = new ByteArrayOutputStream();
        for (int value = 0; value != -1;) {
            value = gzipInputStream.read();
            if (value != -1) {
                baos.write(value);
            }
        }
        gzipInputStream.close();
        baos.flush();
        baos.close();
        return new String(baos.toByteArray(), charset);
    } catch (IOException e) {
        throw new RuntimeException("Error decompressing column data", e);
    } finally {
        if (gzipInputStream != null) {
            try {
                gzipInputStream.close();
            } catch (IOException e) {
            }
        }
        if (baos != null) {
            try {
                baos.flush();
                baos.close();
            } catch (IOException e) {
            }
        }
    }
}

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