Example usage for java.util.zip GZIPOutputStream GZIPOutputStream

Introduction

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

Prototype

public GZIPOutputStream(OutputStream out) throws IOException

Source Link

Document

Creates a new output stream with a default buffer size.

Usage

From source file:net.orpiske.tcs.utils.compression.Compressor.java

/**
 * Compress a string in GZIP format/*from   ww  w  .j  a  v a2  s. com*/
 * @param text the string to compress
 * @return An array of compressed bytes
 * @throws IOException if unable to compress it
 */
public static byte[] compress(final String text) throws IOException {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutputStream = null;

    try {
        gzipOutputStream = new GZIPOutputStream(outputStream);
        gzipOutputStream.write(text.getBytes());
        gzipOutputStream.close();

        return outputStream.toByteArray();
    } finally {
        IOUtils.closeQuietly(gzipOutputStream);
        IOUtils.closeQuietly(outputStream);
    }
}

From source file:fr.dutra.confluence2wordpress.util.CodecUtils.java

public static String compressAndEncode(String text) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(new Base64OutputStream(baos));
    try {//from ww w .  ja  v  a 2s. com
        gzos.write(text.getBytes(UTF_8));
    } finally {
        baos.close();
        gzos.close();
    }
    return new String(baos.toByteArray(), UTF_8);
}

From source file:Compress.java

/** Gzip the contents of the from file and save in the to file. */
public static void gzipFile(String from, String to) throws IOException {
    // Create stream to read from the from file
    FileInputStream in = new FileInputStream(from);
    // Create stream to compress data and write it to the to file.
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(to));
    // Copy bytes from one stream to the other
    byte[] buffer = new byte[4096];
    int bytes_read;
    while ((bytes_read = in.read(buffer)) != -1)
        out.write(buffer, 0, bytes_read);
    // And close the streams
    in.close();/* w  w  w . j  av  a  2 s .  c om*/
    out.close();
}

From source file:ByteUtils.java

public static byte[] packRaw(byte[] b) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    GZIPOutputStream zos = new GZIPOutputStream(baos);
    zos.write(b);//from   w  w  w.  j a v  a2 s  . c  om
    zos.close();

    return baos.toByteArray();
}

From source file:com.netflix.dyno.connectionpool.impl.utils.ZipUtils.java

public static byte[] compressString(String value) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(value.length());
    GZIPOutputStream gos = new GZIPOutputStream(baos);
    gos.write(Base64.encode(value.getBytes(StandardCharsets.UTF_8)));
    gos.close();/*from w  w  w .ja  va 2  s  . c om*/
    byte[] compressed = baos.toByteArray();
    baos.close();
    return compressed;
}

From source file:azkaban.utils.GZIPUtils.java

public static byte[] gzipBytes(byte[] bytes, int offset, int length) throws IOException {
    ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
    GZIPOutputStream gzipStream = null;

    gzipStream = new GZIPOutputStream(byteOutputStream);

    gzipStream.write(bytes, offset, length);
    gzipStream.close();//from  w ww  .  ja v  a  2 s.com
    return byteOutputStream.toByteArray();
}

From source file:Main.java

public static byte[] compress(byte[] source) throws IOException {
    if (source == null || source.length == 0) {
        return source;
    }/*www.j  a va 2  s.c  o m*/
    ByteArrayInputStream sourceStream = new ByteArrayInputStream(source);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(source.length / 2);
    try (OutputStream compressor = new GZIPOutputStream(outputStream)) {
        ByteStreams.copy(sourceStream, compressor);
        compressor.close();
    }
    try {
        return outputStream.toByteArray();
    } finally {
        sourceStream.close();
        outputStream.close();
    }
}

From source file:com.cenrise.test.azkaban.GZIPUtils.java

public static byte[] gzipBytes(final byte[] bytes, final int offset, final int length) throws IOException {
    final ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
    GZIPOutputStream gzipStream = null;

    gzipStream = new GZIPOutputStream(byteOutputStream);

    gzipStream.write(bytes, offset, length);
    gzipStream.close();//  w  w  w.  ja va2 s. c  o  m
    return byteOutputStream.toByteArray();
}

From source file:ca.uhn.fhir.jpa.dao.GZipUtil.java

public static byte[] compress(String theEncoded) {
    try {/*from  www.j  a  va 2 s  . co  m*/
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        GZIPOutputStream gos = new GZIPOutputStream(os);
        IOUtils.write(theEncoded, gos, "UTF-8");
        gos.close();
        os.close();
        byte[] retVal = os.toByteArray();
        return retVal;
    } catch (IOException e) {
        throw new DataFormatException("Compress contents", e);
    }
}

From source file:it.restrung.rest.utils.IOUtils.java

/**
 * Serializes ans saves a Serializable object to a file
 *
 * @param object the source object//from   w ww .java 2 s .com
 * @param file   the target file
 */
static public void saveSerializableObjectToDisk(Object object, File file) {
    try {
        file.delete();
        file.createNewFile();
        FileOutputStream fos = new FileOutputStream(file);
        GZIPOutputStream gzos = new GZIPOutputStream(fos);
        ObjectOutputStream out = new ObjectOutputStream(gzos);
        out.writeObject(object);
        out.flush();
        out.close();
    } catch (FileNotFoundException e) {
        Log.d(IOUtils.class.getName(), "Error, file not found for save serializable object to disk");
        throw new RuntimeException(e);
    } catch (IOException e) {
        Log.d(IOUtils.class.getName(), "Error on save serializable object");
        throw new RuntimeException(e);
    }
}