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.faceye.feature.util.http.GZIPUtils.java

/**
 * Returns an gzipped copy of the input array.
 *///w ww.  j a  va 2  s .co m
public static final byte[] zip(byte[] in) {
    try {
        // compress using GZIPOutputStream 
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream(in.length / EXPECTED_COMPRESSION_RATIO);

        GZIPOutputStream outStream = new GZIPOutputStream(byteOut);

        try {
            outStream.write(in);
        } catch (Exception e) {
            LOG.error("Error writing outStream: ", e);
        }

        try {
            outStream.close();
        } catch (IOException e) {
            LOG.error("Error closing outStream: ", e);
        }

        return byteOut.toByteArray();

    } catch (IOException e) {
        LOG.error("Error: ", e);
        return null;
    }
}

From source file:com.iflytek.spider.util.GZIPUtils.java

/**
 * Returns an gzipped copy of the input array.
 *//*from  ww w.  j  a  v  a  2  s  .  co m*/
public static final byte[] zip(byte[] in) {
    try {
        // compress using GZIPOutputStream 
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream(in.length / EXPECTED_COMPRESSION_RATIO);

        GZIPOutputStream outStream = new GZIPOutputStream(byteOut);

        try {
            outStream.write(in);
        } catch (Exception e) {
            e.printStackTrace(LogUtil.getWarnStream(LOG));
        }

        try {
            outStream.close();
        } catch (IOException e) {
            e.printStackTrace(LogUtil.getWarnStream(LOG));
        }

        return byteOut.toByteArray();

    } catch (IOException e) {
        e.printStackTrace(LogUtil.getWarnStream(LOG));
        return null;
    }
}

From source file:com.opengamma.web.analytics.json.Compressor.java

static void compressStream(InputStream inputStream, OutputStream outputStream)
        throws IOException {
    InputStream iStream = new BufferedInputStream(inputStream);
    GZIPOutputStream oStream = new GZIPOutputStream(
            new Base64OutputStream(new BufferedOutputStream(outputStream), true, -1, null), 2048);
    byte[] buffer = new byte[2048];
    int bytesRead;
    while ((bytesRead = iStream.read(buffer)) != -1) {
        oStream.write(buffer, 0, bytesRead);
    }//from   w  w  w . jav a 2 s  . c o  m
    oStream.close(); // this is necessary for the gzip and base64 streams
}

From source file:de.zib.scalaris.examples.wikipedia.data.Revision.java

/**
 * Compresses the given text and returns it as a byte array.
 * //from ww  w  .j a  va2  s.c om
 * @param text
 *            the un-compressed text
 * 
 * @return the compressed text
 * 
 * @throws RuntimeException
 *             if compressing the text did not work
 */
protected static byte[] packText(String text) throws RuntimeException {
    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        GZIPOutputStream gos = new GZIPOutputStream(bos);
        gos.write(text.getBytes("UTF-8"));
        gos.flush();
        gos.close();
        return bos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.commoncrawl.util.GZIPUtils.java

/**
 * Returns an gzipped copy of the input array.
 *///from w  w w  .  j a  v  a  2s. c o  m
public static final byte[] zip(byte[] in) {
    try {
        // compress using GZIPOutputStream
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream(in.length / EXPECTED_COMPRESSION_RATIO);

        GZIPOutputStream outStream = new GZIPOutputStream(byteOut);

        try {
            outStream.write(in);
        } catch (Exception e) {
            LOG.warn(CCStringUtils.stringifyException(e));
        }

        try {
            outStream.close();
        } catch (IOException e) {
            LOG.warn(CCStringUtils.stringifyException(e));
        }

        return byteOut.toByteArray();

    } catch (IOException e) {
        LOG.warn(CCStringUtils.stringifyException(e));
        return null;
    }
}

From source file:org.apache.juneau.rest.test.GzipTest.java

private static InputStream compress(String contents) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(contents.length() >> 1);
    GZIPOutputStream gos = new GZIPOutputStream(baos);
    gos.write(contents.getBytes());// w  w  w  .j  a va  2 s  .co m
    gos.finish();
    gos.close();
    return new ByteArrayInputStream(baos.toByteArray());
}

From source file:com.ery.ertc.estorm.util.GZIPUtils.java

/**
 * Returns an gzipped copy of the input array.
 *//*w w  w  . j a  v a2  s  . co m*/
public static final byte[] zip(byte[] in) {
    try {
        // compress using GZIPOutputStream
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream(in.length / EXPECTED_COMPRESSION_RATIO);

        GZIPOutputStream outStream = new GZIPOutputStream(byteOut);

        try {
            outStream.write(in);
        } catch (Exception e) {
            LOG.error("Failed to get outStream.write input", e);
        }

        try {
            outStream.close();
        } catch (IOException e) {
            LOG.error("Failed to implement outStream.close", e);
        }

        return byteOut.toByteArray();

    } catch (IOException e) {
        LOG.error("Failed with IOException", e);
        return null;
    }
}

From source file:com.facebook.presto.bloomfilter.BloomFilter.java

public static byte[] compress(byte[] b) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(out);
    gzip.write(b);//from  ww  w.ja  v  a2  s . co m
    gzip.close();
    return out.toByteArray();
}

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();//from w ww  . j  a  va 2 s.c o  m
    out.close();
}

From source file:org.eclipse.smila.connectivity.framework.crawler.web.util.GZIPUtils.java

/**
 * Returns an gzipped copy of the input array.
 * //from   w  w w. j  av a  2  s  . c  o m
 * @param in
 *          input byte array
 * @return byte gzipped copy of the input array
 */
public static byte[] zip(byte[] in) {
    try {
        // compress using GZIPOutputStream
        final ByteArrayOutputStream byteOut = new ByteArrayOutputStream(in.length / EXPECTED_COMPRESSION_RATIO);

        final GZIPOutputStream outStream = new GZIPOutputStream(byteOut);

        try {
            outStream.write(in);
        } catch (Exception exception) {
            LOG.error(exception.getMessage());
        }

        try {
            outStream.close();
        } catch (IOException e) {
            LOG.error(e.getMessage());
        }

        return byteOut.toByteArray();

    } catch (IOException e) {
        LOG.error(e.getMessage());
        return null;
    }
}