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.mbrlabs.mundus.utils.TerrainIO.java

public static Terrain importTerrain(ProjectContext projectContext, Terrain terrain) {
    FloatArray floatArray = new FloatArray();

    String terraPath = FilenameUtils.concat(projectContext.path, terrain.terraPath);
    try (DataInputStream is = new DataInputStream(
            new BufferedInputStream(new GZIPInputStream(new FileInputStream(terraPath))))) {
        while (is.available() > 0) {
            floatArray.add(is.readFloat());
        }//  w  w w. jav a2s  . c o m
    } catch (EOFException e) {
        //e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    //Log.debug("Terrain import. floats: " + floatArray.size);

    terrain.heightData = floatArray.toArray();
    terrain.init();
    terrain.update();

    // set default terrain base texture if none is present
    TerrainTexture terrainTexture = terrain.getTerrainTexture();
    if (terrainTexture.getTexture(SplatTexture.Channel.BASE) == null) {
        MTexture base = new MTexture();
        base.setId(-1);
        base.texture = TextureUtils.loadMipmapTexture(Gdx.files.internal("textures/terrain/chess.png"), true);
        terrainTexture.setSplatTexture(new SplatTexture(SplatTexture.Channel.BASE, base));
    }

    // load splat map if available
    SplatMap splatmap = terrainTexture.getSplatmap();
    if (splatmap != null) {
        String splatPath = FilenameUtils.concat(projectContext.path, splatmap.getPath());
        splatmap.loadPNG(Gdx.files.absolute(splatPath));
    }

    return terrain;
}

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From source file:de.cellular.lib.lightlib.backend.LLHttpClientResponse.java

/**
 * Creates the instance of {@link LLHttpClientResponse}
 * //  w w  w .  j a  v  a 2s. c  o  m
 * @since 1.0
 * @param _urlStr
 *            the target url in {@link String}
 * @param _client
 *            the {@link DefaultHttpClient} with which we fired {@link LLRequest}.
 * @param _response
 *            the {@link HttpResponse} implementing object.
 * @return the created {@link LLHttpClientResponse}.
 * @throws IllegalStateException
 *             the illegal state exception
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static LLHttpClientResponse createInstance(String _urlStr, DefaultHttpClient _client,
        HttpResponse _response) throws IllegalStateException, IOException {
    if (_response != null) {
        LLHttpClientResponse r = new LLHttpClientResponse(_urlStr, _client, _response);
        int statusCode = r.mResponse.getStatusLine().getStatusCode();
        HttpEntity entity = r.mResponse.getEntity();
        if (statusCode == HttpStatus.SC_OK && entity != null) {
            InputStream instream = entity.getContent();
            Header contentType = r.mResponse.getFirstHeader("Content-Type");
            Header encoding = r.mResponse.getFirstHeader("Content-Encoding");

            if ((encoding != null && encoding.getValue().equalsIgnoreCase("gzip"))
                    || (contentType != null && contentType.getValue().equalsIgnoreCase("application/x-gzip"))) {
                r.mStream = new GZIPInputStream(instream);
            } else {
                r.mStream = instream;
            }
            if (r.mClient.getCookieStore() != null) {
                r.mCookies = r.mClient.getCookieStore().getCookies();
            }
            return r;
        }
        return null;
    } else {
        LL.e(":( Can't create an instance with NULL HttpResponse.");
        return null;
    }
}

---

From source file:gate.corpora.DocumentContentImpl.java

/** Contruction from URL and offsets. */
public DocumentContentImpl(URL u, String encoding, Long start, Long end) throws IOException {

    int readLength = 0;
    char[] readBuffer = new char[INTERNAL_BUFFER_SIZE];

    BufferedReader uReader = null;
    InputStream uStream = null;/*from   w ww  .ja v  a2s.c o m*/
    StringBuffer buf = new StringBuffer();

    long s = 0, e = Long.MAX_VALUE;
    if (start != null && end != null) {
        s = start.longValue();
        e = end.longValue();
    }

    try {
        URLConnection conn = u.openConnection();
        uStream = conn.getInputStream();

        if ("gzip".equals(conn.getContentEncoding())) {
            uStream = new GZIPInputStream(uStream);
        }

        if (encoding != null && !encoding.equalsIgnoreCase("")) {
            uReader = new BomStrippingInputStreamReader(uStream, encoding, INTERNAL_BUFFER_SIZE);
        } else {
            uReader = new BomStrippingInputStreamReader(uStream, INTERNAL_BUFFER_SIZE);
        }
        ;

        // 1. skip S characters
        uReader.skip(s);

        // 2. how many character shall I read?
        long toRead = e - s;

        // 3. read gtom source into buffer
        while (toRead > 0 && (readLength = uReader.read(readBuffer, 0, INTERNAL_BUFFER_SIZE)) != -1) {
            if (toRead < readLength) {
                //well, if toRead(long) is less than readLenght(int)
                //then there can be no overflow, so the cast is safe
                readLength = (int) toRead;
            }

            buf.append(readBuffer, 0, readLength);
            toRead -= readLength;
        }
    } finally {
        // 4.close reader
        IOUtils.closeQuietly(uReader);
        IOUtils.closeQuietly(uStream);
    }

    content = new String(buf);
    originalContent = content;
}

---

From source file:com.tedx.webservices.WebServices.java

public static JSONArray SendHttpPostArray(String URL, JSONObject jsonObjSend) {
    try {/*from   w  w  w .  j a va  2 s .  c  o m*/
        DefaultHttpClient httpclient = new DefaultHttpClient();
        HttpPost httpPostRequest = new HttpPost(URL);

        StringEntity se;
        se = new StringEntity(jsonObjSend.toString());

        // Set HTTP parameters
        httpPostRequest.setEntity(se);
        httpPostRequest.setHeader("Accept", "application/json");
        httpPostRequest.setHeader("Content-type", "application/json");
        //httpPostRequest.setHeader("Accept-Encoding", "gzip"); // only set this parameter if you would like to use gzip compression

        long t = System.currentTimeMillis();
        HttpResponse response = (HttpResponse) httpclient.execute(httpPostRequest);
        Log.i(TAG, "HTTPResponse received in [" + (System.currentTimeMillis() - t) + "ms]");

        // Get hold of the response entity (-> the data):
        HttpEntity entity = response.getEntity();

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

            // convert content stream to a String
            String resultString = convertStreamToString(instream);
            instream.close();

            // Transform the String into a JSONObject
            JSONArray jsonObjRecv = new JSONArray(resultString);
            // Raw DEBUG output of our received JSON object:
            Log.i(TAG, "<jsonobject>\n" + jsonObjRecv.toString() + "\n</jsonobject>");

            return jsonObjRecv;
        }
    } catch (Exception e) {
        // More about HTTP exception handling in another tutorial.
        // For now we just print the stack trace.
        e.printStackTrace();
    }
    return null;
}

---

From source file:edu.umd.umiacs.clip.tools.io.GZIPFiles.java

protected static Stream<CSVRecord> records(CSVFormat format, Path path) throws IOException {
    return StreamSupport.stream(format.parse(new BufferedReader(new InputStreamReader(
            new GZIPInputStream(new BufferedInputStream(newInputStream(path), BUFFER_SIZE)),
            UTF_8.newDecoder().onMalformedInput(IGNORE)))).spliterator(), false);
}

---

From source file:ezbake.deployer.publishers.artifact.PythonRequirementsPublisher.java

@Override
public Collection<ArtifactDataEntry> generateEntries(DeploymentArtifact artifact) throws DeploymentException {

    // load the tarball
    TarArchiveInputStream tarIn = null;//from   w  ww  . j a va 2s .c  o m
    try {
        byte[] a = artifact.getArtifact();
        tarIn = new TarArchiveInputStream(new GZIPInputStream(new ByteArrayInputStream(a)));
    } catch (IOException e) {
        e.printStackTrace();
    }

    // collect the packages
    // (pip fails if there are duplicate package names, so we're using map
    // to avoid repeated packages)
    TarArchiveEntry entry = null;
    Map<String, String> requirements = new HashMap<String, String>();
    do {
        try {
            if (tarIn != null) {
                entry = tarIn.getNextTarEntry();
            }
        } catch (IOException e) {
            entry = null;
        }

        // get the name of the current entry
        String name = null;
        if (entry != null) {
            name = entry.getName();
        }

        if ((entry != null) && name.startsWith("./wheels/")) {
            String[] parts = name.split("/");
            String basename = parts[parts.length - 1];

            String[] p = extractPackageInfo(basename);

            if ((p != null) && (p.length == 2)) {
                requirements.put(p[0], p[1]);
            }
        }
    } while (entry != null);

    // create requirements.txt output
    StringBuffer out = new StringBuffer();
    out.append("# commands for pip\n");
    out.append("--no-index\n");
    out.append("--use-wheels\n");
    out.append("--find-links ./wheels/\n\n");

    out.append("# requirements\n");
    for (Map.Entry<String, String> p : requirements.entrySet()) {
        out.append(p.getKey()); // package name
        out.append("==");
        out.append(p.getValue()); // package version
        out.append("\n");
    }

    return Lists.newArrayList(
            new ArtifactDataEntry(new TarArchiveEntry("requirements.txt"), out.toString().getBytes()));
}

---

From source file:edu.cmu.cs.lti.ark.util.SerializedObjects.java

public static InputStream getInputStream(String inputFile) throws IOException {
    if (inputFile.endsWith(".gz")) {
        return new GZIPInputStream(new FileInputStream(inputFile));
    } else {/*ww w.  j  a v a  2  s . c o  m*/
        return new FileInputStream(inputFile);
    }
}

---

From source file:com.arturmkrtchyan.kafka.util.TarUnpacker.java

protected TarArchiveInputStream createTarArchiveInputStream(final InputStream inputStream,
        final boolean isGzipped) throws IOException {
    return (isGzipped) ? new TarArchiveInputStream(new GZIPInputStream(inputStream), BUFFER_SIZE)
            : new TarArchiveInputStream(new BufferedInputStream(inputStream), BUFFER_SIZE);
}

---

From source file:com.stratio.parsers.XMLDumpParser.java

/**
 *
 * Based on wikixmlj by Delip Rao and Jason Smith.
 * Licensed under the Apache License 2.0.
 * Available at http://code.google.com/p/wikixmlj/
 *
 * @return//from w w w.j  a va 2 s.  com
 * @throws FileNotFoundException
 * @throws IOException
 */
protected InputSource getInputSource() throws FileNotFoundException, IOException {
    if (inStream != null) {
        return new InputSource(inStream);
    }

    FileInputStream fis = new FileInputStream(dumpFile);
    InputStream is;
    InputStreamReader isr;

    if (dumpFile.endsWith(".gz")) {
        is = new GZIPInputStream(fis);
    } else if (dumpFile.endsWith(".bz2")) {
        byte[] ignoreBytes = new byte[2];
        fis.read(ignoreBytes); //"B", "Z" bytes from commandline tools
        is = new CBZip2InputStream(fis);
    } else {
        is = fis;
    }

    CharsetDecoder decoder = Charsets.UTF_8.newDecoder();
    decoder.onUnmappableCharacter(CodingErrorAction.IGNORE);
    decoder.onMalformedInput(CodingErrorAction.IGNORE);
    decoder.replaceWith("?");
    isr = new InputStreamReader(is, decoder);

    return new InputSource(isr);
    //return new InputSource(new BufferedReader(isr));
}

---

From source file:com.kolich.havalo.io.stores.MetaObjectStore.java

/**
 * The caller is most definitely responsible for closing the
 * returned {@link InputStream} when finished with it.
 * @param index/*  w w w  .  j a v a2  s .c o m*/
 * @return
 */
@Override
public InputStream getInputStream(final String index) {
    InputStream is = null;
    try {
        is = new GZIPInputStream(new FileInputStream(getCanonicalFile(index, false)));
    } catch (Exception e) {
        throw new ObjectLoadException("Failed to read entity: " + index, e);
    }
    return is;
}

---

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