Example usage for java.util.zip GZIPInputStream GZIPInputStream

List of usage examples for java.util.zip GZIPInputStream GZIPInputStream

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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:jetbrains.exodus.util.CompressBackupUtilTest.java

@Test
public void testFileArchived() throws Exception {
    File src = new File(randName + ".txt");
    FileWriter fw = new FileWriter(src);
    fw.write("12345");
    fw.close();/*w ww .  j a v  a  2 s  .c  o  m*/
    CompressBackupUtil.tar(src, dest);
    Assert.assertTrue("No destination archive created", dest.exists());
    TarArchiveInputStream tai = new TarArchiveInputStream(
            new GZIPInputStream(new BufferedInputStream(new FileInputStream(dest))));
    ArchiveEntry entry = tai.getNextEntry();
    Assert.assertNotNull("No entry found in destination archive", entry);
    Assert.assertEquals("Entry has wrong size", 5, entry.getSize());
}

From source file:sample.undertow.SampleUndertowApplicationTests.java

@Test
public void testCompression() throws Exception {
    HttpHeaders requestHeaders = new HttpHeaders();
    requestHeaders.set("Accept-Encoding", "gzip");
    HttpEntity<?> requestEntity = new HttpEntity<Object>(requestHeaders);
    RestTemplate restTemplate = new TestRestTemplate();
    ResponseEntity<byte[]> entity = restTemplate.exchange("http://localhost:" + this.port, HttpMethod.GET,
            requestEntity, byte[].class);
    assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
    GZIPInputStream inflater = new GZIPInputStream(new ByteArrayInputStream(entity.getBody()));
    try {/*  w  w w  .  j a  va  2  s.co  m*/
        assertThat(StreamUtils.copyToString(inflater, Charset.forName("UTF-8"))).isEqualTo("Hello World");
    } finally {
        inflater.close();
    }
}

From source file:com.evilco.license.client.decoder.CompressedLicenseDecoder.java

/**
 * {@inheritDoc}/*from  w  w  w.j  av a 2  s .  com*/
 */
@Override
public <T extends ILicense> T decode(@Nonnull String input, @Nonnull Class<T> licenseType)
        throws LicenseDecoderException {
    // define streams
    ByteArrayInputStream inputStream = null;
    GZIPInputStream gzipInputStream = null;
    DataInputStream dataInputStream = null;

    // read data
    try {
        // remove newlines
        input = CharMatcher.anyOf("\n\r").removeFrom(input);

        // decode data
        byte[] data = BaseEncoding.base64().decode(input);

        // create streams
        inputStream = new ByteArrayInputStream(data);
        gzipInputStream = new GZIPInputStream(inputStream);
        dataInputStream = new DataInputStream(gzipInputStream);

        // decode data
        return ((T) this.childDecoder.decode(dataInputStream, licenseType));
    } catch (IOException ex) {
        throw new LicenseDecoderException(ex.getMessage(), ex);
    } finally {
        IOUtils.closeQuietly(dataInputStream);
        IOUtils.closeQuietly(gzipInputStream);
        IOUtils.closeQuietly(inputStream);
    }
}

From source file:nl.opengeogroep.filesetsync.server.stripes.FilesetGetActionBean.java

public Resolution get() throws Exception {

    Iterable<FileRecord> filesToStream;
    if (FILELIST_MIME_TYPE.equals(getContext().getRequest().getContentType())) {

        InputStream in = getContext().getRequest().getInputStream();
        if ("gzip".equals(getContext().getRequest().getHeader(HttpHeaders.CONTENT_ENCODING))) {
            in = new GZIPInputStream(in);
        }//from  w ww .  jav  a2  s .  co  m
        List<FileRecord> requestedFiles = Protocol.decodeFilelist(in);
        long totalSize = 0;
        int unacceptableFiles = 0;
        String canonicalFilesetPath = new File(getFileset().getPath()).getCanonicalPath();
        for (FileRecord fr : requestedFiles) {
            File localFile = new File(getLocalSubPath() + File.separator + fr.getName()).getCanonicalFile();

            if (!localFile.getCanonicalPath().startsWith(canonicalFilesetPath)) {
                unacceptableFiles++;
                log.warn("unacceptable file: not under fileset path: " + fr.getName());
                continue;
            } else if (!localFile.exists()
                    || !((localFile.isFile() && localFile.canRead()) || localFile.isDirectory())) {
                unacceptableFiles++;
                log.warn("unacceptable file: not existing, not a readable file or not a directory: "
                        + fr.getName());
                continue;
            }
            fr.setFile(localFile);
            if (localFile.isFile()) {
                totalSize += localFile.length();
            }
        }
        log.info(
                String.format("streaming %d files (total %.0f KB)%s", requestedFiles.size(), totalSize / 1024.0,
                        unacceptableFiles != 0
                                ? ", removed " + unacceptableFiles + " unacceptable requested files"
                                : ""));
        filesToStream = requestedFiles;
    } else {
        // check if path is single file
        final File f = new File(getLocalSubPath());
        if (f.isFile()) {
            return new StreamingResolution("application/octet-stream", new FileInputStream(f)) {
                @Override
                protected void applyHeaders(HttpServletResponse response) {
                    super.applyHeaders(response);
                    response.setContentLength((int) f.length());
                }
            };
        } else if (!f.isDirectory()) {
            return new ErrorMessageResolution("Error: path is not a file or directory");
        }

        log.info("recursively streaming " + getLocalSubPath());
        filesToStream = FileRecord.getFileRecordsInDir(getLocalSubPath(), null, new MutableInt());
    }

    return new MultiFileStreamingResolution(filesToStream);
}

From source file:edu.cornell.med.icb.goby.alignments.AlignmentTooManyHitsReader.java

public AlignmentTooManyHitsReader(final String basename) throws IOException {
    final String filename = basename + ".tmh";
    final File optionalFile = new File(filename);

    InputStream tmhStream = null;
    try {/*from  www.  ja  va 2s.  c o  m*/
        if (optionalFile.exists()) {
            try {
                tmhStream = new GZIPInputStream(new FileInputStream(optionalFile));
            } catch (IOException e) {
                // try not compressed for compatibility with 1.6-:
                LOG.trace("falling back to legacy 1.6- uncompressed TMH.");

                tmhStream = new FileInputStream(optionalFile);
            }

            // accept very large too many hits messages, since these may describe more than 60 million reads:
            final CodedInputStream codedInput = CodedInputStream.newInstance(tmhStream);
            codedInput.setSizeLimit(Integer.MAX_VALUE);

            final Alignments.AlignmentTooManyHits tmh = Alignments.AlignmentTooManyHits.parseFrom(codedInput);

            queryIndex2NumHits.defaultReturnValue(-1);
            queryIndex2Depth.defaultReturnValue(-1);
            final List<Alignments.AmbiguousLocation> hitsList = tmh.getHitsList();
            final Iterator<Alignments.AmbiguousLocation> iterator = hitsList.iterator();
            while (iterator.hasNext()) {
                Alignments.AmbiguousLocation hit = iterator.next();
                queryIndex2NumHits.put(hit.getQueryIndex(), hit.getAtLeastNumberOfHits());
                if (hit.hasLengthOfMatch()) {
                    queryIndex2Depth.put(hit.getQueryIndex(), hit.getLengthOfMatch());
                }

            }

            this.alignerThreshold = tmh.getAlignerThreshold();
        } else {

            // the file does not exist. Log this fact, and act as if no query had too many hits.
            LOG.info("basename " + optionalFile + " has no 'too many hits' information (" + basename
                    + ".tmh does not exist)." + " Assuming no queries have too many hits.");
        }
    } finally

    {
        if (tmhStream != null) {
            tmhStream.close();
        }
    }

}

From source file:com.dajodi.scandic.Util.java

public static InputStream ungzip(HttpResponse response) {
    try {//  w w w  .  ja va 2s  .  c o m
        InputStream instream = response.getEntity().getContent();
        Header contentEncoding = response.getFirstHeader("Content-Encoding");

        if (contentEncoding != null && contentEncoding.getValue().equalsIgnoreCase("gzip")) {
            instream = new GZIPInputStream(instream);
        }
        return instream;
    } catch (Exception e) {
        if (e instanceof RuntimeException) {
            throw (RuntimeException) e;
        }
        throw new RuntimeException(e);
    }
}

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

/**
 * Returns an gunzipped copy of the input array.
 * //from  ww w .  j  a v a2s . c o  m
 * @throws IOException
 *             if the input cannot be properly decompressed
 */
public static final byte[] unzip(byte[] in) throws IOException {
    // decompress using GZIPInputStream
    ByteArrayOutputStream outStream = new ByteArrayOutputStream(EXPECTED_COMPRESSION_RATIO * in.length);

    GZIPInputStream inStream = new GZIPInputStream(new ByteArrayInputStream(in));

    byte[] buf = new byte[BUF_SIZE];
    while (true) {
        int size = inStream.read(buf);
        if (size <= 0)
            break;
        outStream.write(buf, 0, size);
    }
    outStream.close();

    return outStream.toByteArray();
}

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

public static InputStream createCompressionInputStream(String alg, byte[] content) throws Exception {
    checkAlg(alg);/*  ww  w .j a v  a 2 s.  co  m*/
    ByteArrayInputStream bais = new ByteArrayInputStream(content);
    if (ALG_GZIP.equals(alg)) {
        return new GZIPInputStream(bais);
    } else if (ALG_DEFLATE.equals(alg)) {
        return new InflaterInputStream(bais);
    } else {
        return null;
    }
}

From source file:imdbplugin.ImdbParser.java

public void startParsing(final ProgressMonitor monitor) throws IOException {
    int ratingCount = 0;
    mDatabase.deleteDatabase();//from  w ww.j av a  2  s.  c  o  m

    monitor.setMaximum(getFileSize(mServer));

    mRunParser = true;

    BufferedInputStream akaFile = downloadFile(monitor, "aka-titles.list.gz");
    BufferedInputStream ratingsFile = downloadFile(monitor, "ratings.list.gz");

    ProgressInputStream progressInputStream = new ProgressInputStream(akaFile, monitor);

    if (mRunParser) {
        parseAkaTitles(new GZIPInputStream(progressInputStream), monitor);
    }
    mDatabase.close();
    if (mRunParser) {
        mDatabase.openForWriting();
        progressInputStream = new ProgressInputStream(ratingsFile, monitor,
                progressInputStream.getCurrentPosition());
        ratingCount = parseRatings(new GZIPInputStream(progressInputStream), monitor);
    }

    if (mRunParser) {
        optimizeDatabase(monitor);
        ImdbPlugin.getInstance().setCurrentDatabaseVersion(ratingCount);
    } else {
        // Cancel was pressed, all Files have to be deleted
        mDatabase.deleteDatabase();
    }
    mDatabase.openForReading();
}

From source file:aot.util.IOUtil.java

public static byte[] decompress(byte[] data, int offset, int length) {
    try (ByteArrayInputStream buffer = new ByteArrayInputStream(data)) {
        try (GZIPInputStream input = new GZIPInputStream(buffer)) {
            return null;
        }//from  ww w . j a va  2  s. co m
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}