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.mbrlabs.mundus.utils.TerrainIO.java

/**
 * Binary gziped format./*  w  w w  . j a v a 2s . c o  m*/
 *
 * @param terrain
 */
public static void exportTerrain(ProjectContext projectContext, Terrain terrain) {
    float[] data = terrain.heightData;
    long start = System.currentTimeMillis();

    // create file
    File file = new File(FilenameUtils.concat(projectContext.path, terrain.terraPath));
    try {
        FileUtils.touch(file);
    } catch (IOException e) {
        e.printStackTrace();
    }

    // write .terra
    try (DataOutputStream outputStream = new DataOutputStream(
            new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream(file))))) {

        for (float f : data) {
            outputStream.writeFloat(f);
        }
        outputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
        return;
    }

    // write splatmap
    SplatMap splatmap = terrain.getTerrainTexture().getSplatmap();
    if (splatmap != null) {
        splatmap.savePNG(Gdx.files.absolute(FilenameUtils.concat(projectContext.path, splatmap.getPath())));
    }

    //Log.debug("Terrain export execution time (" + data.length + " floats): "
    //        + (System.currentTimeMillis() - start) + " ms");
}

From source file:com.dbmojo.Util.java

/** GZIP encode a String */
public static String gzipString(String inStr) throws Exception {
    byte[] strBytes = inStr.getBytes();
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    GZIPOutputStream gout = new GZIPOutputStream(bout);

    try {//from www. ja  va 2  s  .co m
        gout.write(strBytes, 0, strBytes.length);
    } finally {
        gout.close();
    }
    return bout.toString();
}

From source file:com.zimbra.cs.service.util.ItemDataFile.java

public static void create(String path, Set<MailItem.Type> types, String cset, OutputStream os)
        throws IOException {
    File f = new File(path);
    TarOutputStream tos = new TarOutputStream(new GZIPOutputStream(os), cset == null ? "UTF-8" : cset);

    tos.setLongFileMode(TarOutputStream.LONGFILE_GNU);
    try {//www  . jav  a2 s.  co  m
        if (f.isDirectory())
            addDir(f, f.getPath(), types, tos);
        else
            addFile(f, f.getParent(), types, tos);
    } finally {
        tos.close();
    }
}

From source file:com.eviware.soapui.impl.wsdl.support.CompressedStringSupport.java

public static void setString(CompressedStringConfig compressedStringConfig, String value) {
    synchronized (compressedStringConfig) {
        long limit = SoapUI.getSettings().getLong(WsdlSettings.COMPRESSION_LIMIT, 0);
        if (limit > 0 && value.length() >= limit) {
            try {
                ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
                GZIPOutputStream out = new GZIPOutputStream(byteOut);
                out.write(value.getBytes());
                out.finish();// w w  w  . ja v  a 2  s .  c o  m
                value = new String(Base64.encodeBase64(byteOut.toByteArray()));
                compressedStringConfig.setCompression("gzip");
            } catch (IOException e) {
                SoapUI.logError(e);
                compressedStringConfig.unsetCompression();
            }
        } else if (compressedStringConfig.isSetCompression()) {
            compressedStringConfig.unsetCompression();
        }

        compressedStringConfig.setStringValue(value);
    }
}

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

/**
 * Encodes the given byte array and then GZIP compresses it.
 *
 * @param value byte array input//from   www. j  ava2  s  .  c o m
 * @return compressed byte array output
 * @throws IOException
 */
public static byte[] compressBytesNonBase64(byte[] value) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(value.length);
    GZIPOutputStream gos = new GZIPOutputStream(baos);
    gos.write(value);
    gos.close();
    byte[] compressed = baos.toByteArray();
    baos.close();
    return compressed;
}

From source file:com.github.helenusdriver.commons.lang3.SerializationUtils.java

/**
 * Serializes and compresses a given object to the specified stream.
 * <p>/* ww  w . j av  a 2 s  .c  o  m*/
 * The stream will be closed once the object is written.
 * This avoids the need for a finally clause, and maybe also exception
 * handling, in the application code.
 * <p>
 * The stream passed in is not buffered internally within this method.
 * This is the responsibility of your application if desired.
 *
 * @author paouelle
 *
 * @param  obj the object to serialize and compress
 * @param  outputStream the stream to write to
 * @throws SerializationException (runtime) if the serialization fails
 * @throws NullPointerException if <code>outputStream</code> is <code>null</code>
 */
public static void serializeAndCompress(Serializable obj, OutputStream outputStream) {
    org.apache.commons.lang3.Validate.notNull(outputStream, "invalid null outputStream");
    try {
        final GZIPOutputStream os = new GZIPOutputStream(outputStream);

        org.apache.commons.lang3.SerializationUtils.serialize(obj, os);
    } catch (IOException e) {
        throw new SerializationException(e);
    }
}

From source file:com.simiacryptus.mindseye.test.unit.SerializationTest.java

/**
 * Compress gz byte [ ].//from   www  . j a  va2  s.c o  m
 *
 * @param bytes the bytes
 * @return the byte [ ]
 */
public static byte[] compressGZ(byte[] bytes) {
    @Nonnull
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    try {
        try (@Nonnull
        GZIPOutputStream out = new GZIPOutputStream(byteArrayOutputStream)) {
            IOUtils.write(bytes, out);
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    return byteArrayOutputStream.toByteArray();
}

From source file:org.exist.xquery.modules.jfreechart.render.SVGZrenderer.java

@Override
public void render(JFreeChart chart, Configuration config, OutputStream os) throws IOException {
    super.render(chart, config, new GZIPOutputStream(os));
}

From source file:cn.sharesdk.analysis.net.NetworkHelper.java

public static String Base64Gzip(String str) {
    ByteArrayInputStream bais = new ByteArrayInputStream(str.getBytes());
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    String result = null;//from   w w  w  . j  a  v  a2 s.  c o  m
    // gzip
    GZIPOutputStream gos;
    try {
        gos = new GZIPOutputStream(baos);
        int count;
        byte data[] = new byte[1024];
        while ((count = bais.read(data, 0, 1024)) != -1) {
            gos.write(data, 0, count);
        }
        gos.finish();
        gos.close();

        byte[] output = baos.toByteArray();
        baos.flush();
        baos.close();
        bais.close();

        result = Base64.encodeToString(output, Base64.NO_WRAP);

    } catch (IOException e) {
        e.printStackTrace();
        Ln.e("NetworkHelper", "Base64Gzip == >>", e);
    }

    //Ln.i("after base64gizp", result);
    return result;
}

From source file:com.hs.mail.util.FileUtils.java

public static void compress(File srcFile, File destFile) throws IOException {
    InputStream input = null;// ww w .  j a va2  s.c  o  m
    OutputStream output = null;
    try {
        input = new BufferedInputStream(new FileInputStream(srcFile));
        output = new GZIPOutputStream(new FileOutputStream(destFile));
        IOUtils.copyLarge(input, output);
    } finally {
        IOUtils.closeQuietly(output);
        IOUtils.closeQuietly(input);
    }
}