Example usage for java.util.zip GZIPOutputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Writes remaining compressed data to the output stream and closes the underlying stream.

Usage

From source file:com.giacomodrago.immediatecrypt.messagecipher.Compression.java

public static byte[] compress(byte[] plaintext) {
    try {/*from   w ww.j  av a  2  s. com*/
        ByteArrayOutputStream writer = new ByteArrayOutputStream();
        GZIPOutputStream gzipStream = new GZIPOutputStream(writer);
        gzipStream.write(plaintext);
        gzipStream.flush();
        gzipStream.close();
        writer.close();
        return writer.toByteArray();
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

From source file:Main.java

public static byte[] compressInGzip(byte[] originalData, int offset, int length) throws Exception {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutStream = new GZIPOutputStream(bos);
    gzipOutStream.write(originalData, offset, length);
    gzipOutStream.finish();/*from   www  .  j  a v a 2s . co m*/
    gzipOutStream.flush();
    gzipOutStream.close();
    byte[] compressData = bos.toByteArray();
    bos.close();

    return compressData;
}

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();
    return byteOutputStream.toByteArray();
}

From source file:ZipDemo.java

public static final byte[] compress(final String uncompressed) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream zos = new GZIPOutputStream(baos);

    byte[] uncompressedBytes = uncompressed.getBytes();

    zos.write(uncompressedBytes, 0, uncompressedBytes.length);
    zos.close();

    return baos.toByteArray();
}

From source file:com.google.api.server.spi.IoUtilTest.java

private static byte[] compress(byte[] bytes) {
    try {//from   w  w w  .  j  av a  2  s . c  o m
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gos = new GZIPOutputStream(baos);
        gos.write(bytes, 0, bytes.length);
        gos.close();
        return baos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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();
    return byteOutputStream.toByteArray();
}

From source file:org.geppetto.frontend.messaging.CompressionUtils.java

public static byte[] gzipCompress(byte[] message) throws IOException {

    long startTime = System.currentTimeMillis();

    ByteArrayOutputStream compressedMessageStream = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutputStream = new GZIPOutputStream(compressedMessageStream);

    gzipOutputStream.write(message);//www  .ja  v  a  2  s  .c o m
    gzipOutputStream.close();

    byte[] compressedMessage = compressedMessageStream.toByteArray();
    compressedMessageStream.close();

    long elapsedTime = System.currentTimeMillis() - startTime;

    logger.info(String.format("Compressed message from %d to %d bytes in %dms", message.length,
            compressedMessage.length, elapsedTime));

    return compressedMessage;
}

From source file:Main.java

public static byte[] compressStringToByteArray(String uncompressedString) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutputStream;
    try {/*from  w w  w .  ja  v  a 2s .  c o m*/
        gzipOutputStream = new GZIPOutputStream(byteArrayOutputStream);
        gzipOutputStream.write(uncompressedString.getBytes("UTF-8"));
        gzipOutputStream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return byteArrayOutputStream.toByteArray();
}

From source file:org.geppetto.frontend.messaging.CompressionUtils.java

public static byte[] gzipCompress(String message) throws IOException {

    long startTime = System.currentTimeMillis();

    ByteArrayOutputStream compressedMessageStream = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutputStream = new GZIPOutputStream(compressedMessageStream);

    gzipOutputStream.write(message.getBytes());
    gzipOutputStream.close();

    byte[] compressedMessage = compressedMessageStream.toByteArray();
    compressedMessageStream.close();/* w w w.ja  va 2s .c  o m*/

    long elapsedTime = System.currentTimeMillis() - startTime;

    logger.info(String.format("Compressed message from %d to %d bytes in %dms", message.length(),
            compressedMessage.length, elapsedTime));

    return compressedMessage;
}

From source file:v7db.files.Compression.java

/**
 * @return null, if the "gzipped" data is larger than the input (or there
 *         has been an exception)//from   w  w  w  . j ava2s .  c om
 */
public static byte[] gzip(byte[] data, int off, int len) {

    if (len < GZIP_STORAGE_OVERHEAD)
        return null;
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream(data.length);
        GZIPOutputStream gz = new GZIPOutputStream(baos);
        gz.write(data, off, len);
        gz.close();
        if (baos.size() >= len)
            return null;
        return baos.toByteArray();
    } catch (Exception e) {
        log.error("failed to gzip byte array", e);
        return null;
    }
}