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:com.epam.wilma.gepard.testclient.compression.gzip.GzipCompressor.java

/**
 * Compress the input stream with GZIP./*from   w w  w  .  j  ava  2s .  co m*/
 *
 * @param inputStream is the input
 * @return with compressed format
 * @throws IOException if problem occurs during the compression
 */
public InputStream compress(final InputStream inputStream) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gout = new GZIPOutputStream(baos);
    //... Code to read from your original uncompressed data and write to gout.
    IOUtils.copy(inputStream, gout);
    gout.finish();
    //Convert to InputStream.
    return new ByteArrayInputStream(baos.toByteArray());
}

From source file:com.serphacker.serposcope.db.base.ExportDB.java

public boolean export(String path) throws Exception {
    OutputStream os = new FileOutputStream(path, false);
    if (path.endsWith(".gz")) {
        os = new GZIPOutputStream(os);
    }/*from  ww  w  .j  ava 2 s  .c  om*/
    try (OutputStreamWriter osw = new OutputStreamWriter(os, Charset.forName("UTF-8"));
            PrintWriter writer = new PrintWriter(osw);) {
        return export(writer);
    }
}

From source file:io.digibyte.tools.util.BRCompressor.java

public static byte[] gZipCompress(byte[] data) {
    if (data == null)
        return null;
    byte[] compressedData = null;
    try {/*from   w w w  . ja  v a 2 s.c  o  m*/
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream(data.length);
        try {
            GZIPOutputStream zipStream = new GZIPOutputStream(byteStream);
            try {
                zipStream.write(data);
            } finally {
                try {
                    zipStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        } finally {
            try {
                byteStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        compressedData = byteStream.toByteArray();
    } catch (Exception e) {
        BRReportsManager.reportBug(e);
        e.printStackTrace();
    }
    return compressedData;
}

From source file:net.acesinc.data.json.generator.log.JsonFileLogger.java

private void flushToJsonGzip(String event) throws IOException {
    try (FileOutputStream output = new FileOutputStream(outputDirectory)) {
        try (Writer writer = new OutputStreamWriter(new GZIPOutputStream(output), "UTF-8")) {
            writer.append(event).append("\n");
        }//from   w  w w.j  av a  2s  .co m
    }
}

From source file:com.fizzed.stork.assembly.AssemblyUtils.java

static public TarArchiveOutputStream createTGZStream(File tgzFile) throws IOException {
    TarArchiveOutputStream tgzout = new TarArchiveOutputStream(
            new GZIPOutputStream(new BufferedOutputStream(new FileOutputStream(tgzFile))));
    tgzout.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_STAR);
    tgzout.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
    return tgzout;
}

From source file:co.runrightfast.vertx.core.hazelcast.serializers.CompressedJsonObjectSerializer.java

@Override
public byte[] write(final JsonObject json) throws IOException {
    final byte[] bytes = json.toString().getBytes(UTF_8);
    final ByteArrayOutputStream bos = new ByteArrayOutputStream(bytes.length);
    try (final GZIPOutputStream gzip = new GZIPOutputStream(bos)) {
        gzip.write(bytes);//w w  w.  ja  v  a 2 s.  c om
    }
    return bos.toByteArray();
}

From source file:de.blizzy.backup.Compression.java

public OutputStream getOutputStream(OutputStream out) throws IOException {
    if (this == GZIP) {
        return new GZIPOutputStream(out);
    }/*from  w w  w  .  j a va 2  s .c  o  m*/
    if (this == BZIP2) {
        return new BZip2CompressorOutputStream(out);
    }
    throw new RuntimeException();
}

From source file:com.adaptris.core.services.GzipService.java

/**
 *  @see com.adaptris.core.Service#doService(AdaptrisMessage)
 *//*w  w w .  j a  v  a  2 s.  c om*/
@Override
public void doService(AdaptrisMessage msg) throws ServiceException {
    InputStream in = null;
    GZIPOutputStream out = null;
    try {
        in = msg.getInputStream();
        out = new GZIPOutputStream(msg.getOutputStream());
        IOUtils.copy(in, out);
    } catch (Exception e) {
        throw new ServiceException(e);
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(out);
    }
}

From source file:com.lily.dap.web.util.WebUtils.java

/**
 * Gzip HeaderGZIPOutputStream.//  w  w  w  .  java2 s .co  m
 */
public static OutputStream buildGzipOutputStream(HttpServletResponse response) throws IOException {
    response.setHeader("Content-Encoding", "gzip");
    return new GZIPOutputStream(response.getOutputStream());
}

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());/*from   w ww .  ja va2s. c  om*/
    gos.finish();
    gos.close();
    return new ByteArrayInputStream(baos.toByteArray());
}