Example usage for java.util.zip GZIPInputStream GZIPInputStream

Introduction

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

Prototype

public GZIPInputStream(InputStream in) throws IOException 

Source Link

Document

Creates a new input stream with a default buffer size.

Usage

From source file:com.rapleaf.hank.storage.HdfsPartitionRemoteFileOps.java

@Override
public InputStream getInputStream(String remoteRelativePath) throws IOException {
    InputStream inputStream = fs.open(new Path(getAbsoluteRemotePath(remoteRelativePath)));
    if (compressionCodec == null) {
        return inputStream;
    } else {//w w  w .  ja v  a  2 s.  c o m
        switch (compressionCodec) {
        case GZIP:
            return new GZIPInputStream(inputStream);
        default:
            throw new RuntimeException("Compression codec not supported: " + compressionCodec);
        }
    }
}

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From source file:com.jimdo.graylog.net.Request.java

/**
 * Execute a request/*from  w w  w  .  j av  a 2s.  c  o  m*/
 * 
 * @param url
 * @return Content of the response
 */
public String execute(String url) {
    Log.d(TAG, "Request to " + url);

    try {
        HttpGet getRequest = new HttpGet(url);
        HttpResponse response = (HttpResponse) httpClient.execute(getRequest);

        HttpEntity entity = response.getEntity();

        if (entity != null) {
            InputStream stream = entity.getContent();
            Header contentEncoding = response.getFirstHeader("Content-Encoding");
            if (contentEncoding != null && contentEncoding.getValue().equalsIgnoreCase("gzip")) {
                stream = new GZIPInputStream(stream);
            }

            BufferedReader reader = new BufferedReader(new InputStreamReader(stream));

            StringBuffer sb = new StringBuffer();

            String line = null;

            while (null != (line = reader.readLine())) {
                sb.append(line + "\n");
            }

            //Log.d(TAG, "Response: " + sb);

            return sb.toString().trim();
        }
    } catch (Exception e) {
        Log.d(TAG, "Exception: " + e.getMessage());
    }

    return null;
}

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From source file:com.asksunny.tool.RemoteDataStreamer.java

public void receiveCompress() throws Exception {

    try (ServerSocket server = ServerSocketFactory.getDefault().createServerSocket(getPort());
            Socket client = server.accept();
            InputStream in = client.getInputStream();
            GZIPInputStream gin = new GZIPInputStream(in);
            FileOutputStream fout = new FileOutputStream(getFilePath())) {
        StreamCopier.copy(gin, fout);/*  w  w  w .  j ava2  s . co m*/
    }

}

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From source file:com.taobao.tair.etc.TranscoderUtil.java

public static byte[] decompress(byte[] in) {
    ByteArrayOutputStream bos = null;

    if (in != null) {
        ByteArrayInputStream bis = new ByteArrayInputStream(in);

        bos = new ByteArrayOutputStream();

        GZIPInputStream gis = null;

        try {/*from   w  w w .j  a  v a 2s  .  c om*/
            gis = new GZIPInputStream(bis);

            byte[] buf = new byte[8192];
            int r = -1;

            while ((r = gis.read(buf)) > 0) {
                bos.write(buf, 0, r);
            }
        } catch (IOException e) {
            bos = null;
            throw new RuntimeException(e);
        } finally {
            try {
                gis.close();
                bos.close();
            } catch (Exception e) {
            }
        }
    }

    return (bos == null) ? null : bos.toByteArray();
}

---

From source file:jcurl.core.io.SetupSaxDeSer.java

public static SetupBuilder parse(final File file) throws SAXException, IOException {
    if (file.getName().endsWith("z"))
        return parse(new GZIPInputStream(new FileInputStream(file)));
    return parse(new FileInputStream(file));
}

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From source file:com.github.jrh3k5.flume.mojo.plugin.io.ArchiveUtils.java

/**
 * Un-GZIP a file./*  w w  w . jav a2s  .  c om*/
 * 
 * @param toUnzip
 *            A {@link File} representing the GZIP file to be unzipped.
 * @param toFile
 *            A {@link File} representing the location to which the unzipped
 *            file should be placed.
 * @throws IOException
 *             If any errors occur during the unzipping.
 * @see #gzipFile(File, File)
 */
public void gunzipFile(File toUnzip, File toFile) throws IOException {
    if (!toUnzip.isFile()) {
        throw new IllegalArgumentException("Source file " + toUnzip + " must be an existent file.");
    }

    if (toFile.exists() && !toFile.isFile()) {
        throw new IllegalArgumentException("Destination file " + toFile
                + " exists, but is not a file and, as such, cannot be written to.");
    }

    GZIPInputStream zipIn = null;
    FileOutputStream fileOut = null;
    try {
        zipIn = new GZIPInputStream(new FileInputStream(toUnzip));
        fileOut = new FileOutputStream(toFile);
        IOUtils.copy(zipIn, fileOut);
    } finally {
        IOUtils.closeQuietly(fileOut);
        IOUtils.closeQuietly(zipIn);
    }
}

---

From source file:com.insightml.utils.io.IoUtils.java

public static InputStream inputStream(final File file) throws IOException {
    return file.getName().endsWith(".gz") ? new GZIPInputStream(new FileInputStream(file))
            : new FileInputStream(file);
}

---

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

/**
 * Decompresses the given byte array and decodes with Base64 decoding
 *
 * @param compressed byte array input/*from   ww w.  ja  va2  s. c  o  m*/
 * @return decompressed data in string format
 * @throws IOException
 */
public static String decompressString(byte[] compressed) throws IOException {
    ByteArrayInputStream is = new ByteArrayInputStream(compressed);
    InputStream gis = new GZIPInputStream(is);
    return new String(Base64.decode(IOUtils.toByteArray(gis)), StandardCharsets.UTF_8);
}

---

From source file:com.icesoft.applications.faces.address.MatchAddressDB.java

/**
 * Decodes the stored XML wrapper object representation of the address
 * database and maps the entries as MatchCity, MatchState, and MatchZip
 * objects./*from  w  ww . j ava  2 s.c  o m*/
 *
 * @see XAddressDataWrapper
 */
private void loadXDB() {

    //each of these contains a city, state, and zip value
    XAddressDataWrapper xData = null;

    //for decoding the wrapper objects
    XMLDecoder xDecode = null;

    try {
        //load andunzip the xml file
        GZIPInputStream in = new GZIPInputStream(MatchAddressDB.class.getResourceAsStream("address.xml.gz"));

        //xml decoding mechanism
        xDecode = new XMLDecoder(new BufferedInputStream(in));
        xData = (XAddressDataWrapper) xDecode.readObject();

    } catch (Exception e) {
        if (log.isDebugEnabled())
            log.debug("Database not found.");
    }

    if (xDecode == null)
        return;

    //loop through every entry in the xml file
    MatchBean city;
    MatchState state;
    MatchZip zip;

    while (xData != null) {

        //create zip, city and state objects
        zip = (MatchZip) zipMap.get((xData.getZip()));

        //new zip
        if (zip == null) {
            zip = new MatchZip(xData.getZip(), xData.getCity(), xData.getState());
            zipMap.put((xData.getZip()), zip);

            city = new MatchCity(xData.getCity(), xData.getState());

            state = (MatchState) stateMap.get((xData.getState()));

            //new state
            if (state == null) {
                state = new MatchState(xData.getState());
                stateMap.put((xData.getState()), state);

            }
            city = state.addCity((MatchCity) city);
            ((MatchCity) city).addZip(zip);
        }
        //get the next encoded object
        try {
            xData = (XAddressDataWrapper) xDecode.readObject();
        }
        //end of file
        catch (ArrayIndexOutOfBoundsException e) {
            if (log.isDebugEnabled())
                log.debug("Reached end of XML file.");
            return;
        }

    }
    //close the XML decoder
    xDecode.close();
}

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From source file:com.marklogic.contentpump.CompressedDelimitedTextReader.java

protected void initStream(InputSplit inSplit) throws IOException {
    setFile(((FileSplit) inSplit).getPath());
    FSDataInputStream fileIn = fs.open(file);

    String codecString = conf.get(ConfigConstants.CONF_INPUT_COMPRESSION_CODEC,
            CompressionCodec.ZIP.toString());
    if (codecString.equalsIgnoreCase(CompressionCodec.ZIP.toString())) {
        zipIn = new ZipInputStream(fileIn);
        codec = CompressionCodec.ZIP;//  w  w  w  .  j  a  v  a 2  s.  c  om
    } else if (codecString.equalsIgnoreCase(CompressionCodec.GZIP.toString())) {
        zipIn = new GZIPInputStream(fileIn);
        codec = CompressionCodec.GZIP;
    }

    if (uriName == null) {
        generateId = conf.getBoolean(CONF_INPUT_GENERATE_URI, false);
        if (generateId) {
            idGen = new IdGenerator(file.toUri().getPath() + "-" + ((FileSplit) inSplit).getStart());
        } else {
            uriId = 0;
        }
    }
}

---

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